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mIOGRAIC DATA SHEET KRA O. RIiiL c I AI UII .... lPN-AAJ-192 - D1 O -0-0 G673 MAMsi Peport on tran maision requirements, Ketenger system 4b - -MAL AIMIIOIS (100) & GODOATE AVTHORS (101) Main (Charles T.) International, Inc. . DOCUMENT DATE (110) 9. REFERENCE ORGANIZATION (130) Main 10. SUPI"FNTARY NOTES (500) 7. NUMER OF PAGBS (120) 47p. IS. ARC NUMBER (170) ID621.31 .M224h 11. ABSTRACT (950) ,I power Projection , ,a i Indonesia 497021300 Power transmission 14. ODMICr M0414.) a pe pwation Noonomni analysis u IL V OFam e
Transcript

mIOGRAIC DATA SHEET KRA O RIiiLc I AIUII

lPN-AAJ-192 - D1O -0-0 G673MAMsi

Peport on tran maision requirements Ketenger system

4b - -MALAIMIIOIS (100)

amp GODOATE AVTHORS (101)

Main (Charles T) International Inc

DOCUMENT DATE (110)

9 REFERENCE ORGANIZATION (130) Main

10 SUPIFNTARY NOTES (500)

7 NUMER OF PAGBS (120)

47p ISARC NUMBER (170)

ID62131 M224h

11 ABSTRACT (950)

I power Projection ai Indonesia 497021300

Power transmission 14 ODMICr M0414) a pe pwation Noonomni analysis u

IL V OFam e

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REPORT ON

TRANSMISSION REQUIREMENTS

KETENGER SYSTEM

10 INTRODUCTION

Aid loan PDJ 046 TST-72 calls for the establishment of double

circuit 150 kV transmission (two circuits strung initially) in the Ketenger

system from Pekalongan to Cilicap a distance of about 120 miles 193 kin)

The Federal Republic of Germany (FRG) which is also providing financial

assistance to the GOI for the development of the electrical sector in

Central Java is planning to construct 150 kV double circuit transmission

(only one circuit strung initially) from the Samarang load area to Pekalongan

to interconnect the Tuntang and Ketenger systems of Central Java The FRG

also plans to finance a second 150 kV tie between the Tuntang and Ketenger

systems extending from Magelang to Purwokerto-a distance of 74 miles

(119 km) This transmission which will consist of double circuit towers

with one circuit strung initially will elso be used to incorporate the

Garung hydro plant

An analysis is made to (a) review long-term transmission requireshy

ments for Ketenger (b) determine economics of alternate transmission developshy

ment plans and (c) make recommendations on the immediate transmission

requirements corresponding to the least cost future expansion

The analysis considers the effect on transmission requirements of

the recommended 150 kV interconnection between the West Java and Central

Java systems This interconnection which will be In service by 1977

extends from the Cirebon area to Tegal and comprises of double circuit

towers with two circuits strung initially

20 DEFINITION OF ALTERNATIVES

In describing the alternative tow3r configurations considered in the

report the following nomenclature will be used

DT (DC) Double circuit towers - two circuits strung

DT (SC) Double circuit towers - one circuit strung

ST Single circuit towers

30

The following two alternative transmission schemes are considered for initial implementation in 1977 (See Exhibits 1 and 2)

Alternative A DT(DC) transmission extending from Samarang-Timur to Cilicap via Pekalongan Tegal and Purwokerto Garung hydro is incorporated over DT(SC) transmission to Magelang

Alternative B DT(SC) transmission from Samarang-Timur to Purwokerto DT(SC) transmission from Magelang - Purwokerto via Garung and DT(DC) from Purwokerto to Cilicap

The DT(DC) transmission Purwokerto - Cilicap is common to both alternatives

Transmission requirements beyond 1977 are then developed for each of the two above alternatives and an economic analysis made of these two developments to determine the least cost transmission expansion scheme The analysis also considers the possible initial development of Alternative B with ST instead of DT(SC)

COST ESTIMATES

The following cost estimates are used in the economic analysis of the alternate transmission developments

31 Transmission Lines

Transmission costs for the Ketenger transmission could vary appreciably depending on procurement policies For the purpose of this analysis the following range of costs apply

$mile

Procurement

DT(DC) DT(SC)

US Procurement 55000 42500

of tower steel from India

40000 31000

ST 34200 25000

The cost of adding the second circuit on a DT(SC) line

at some later date is estimated to be $11000mile

32 Substations

For the purpose of this analysis all substations are

assumed developed with standard main-and-transfer bus schemes The

cost of a 150 kV feeder position is assumed to be $150000

40 ALTERNATIVE TRANSMISSION EXPANSION SCHEMES

Load flow analyses outlined in the attached Appendix demonstrate

the requirement for the following future transmission additions for Alternatives

A and B defined in Section 3 (only uncommon facilities are indicated)

Case 1 Generation in Cilicap area

(a) Expansion Scheme A

1977 - DT(DC) Samarang Timur - Tegal - Purwokerto

(146 miles - 235 kin)

1989 - DT(DC) Garung - Purwokerto

(48 miles - 775 kin)

(b) Expansion Scheme B

1977 - DT(SC) Samarang Timur - Tegal - Purwokerto

- DT(SC) Garung - Purwokerto

1977 - 1980 - Add second circuit on DT(SC)

Samarang Timur - Tegal (915 miles - 147 kin)

1989 - Add second circuit on

(a) Garung - Purwokerto (48 miles - 775 kin)

(b) Tegal - Purwokerto (548 miles - 88 km)

By 1989 Schemes A and B will have the same transmission

facilities

The above schemes were developed on the following basis

(a) Transmission should be adequate for the transfer otiD-j

om Central Java to West Java or from West Java to Central Java up to

After 1984 the transfer capacity is increased to 100 MW in

either direction A transmission outage of one critical circuit is assumed

in the analysis Due to the very high isokeraunic level in the wet season

this is considered aminimum contingency requirement

(b) Generation will be developed in the Cilicap area with about

100 MW available in 1984

The requirement for transmission in 1977-1980 in Expansion

Scheme B is dictated by very poor voltage conditions resulting from the loss of any section of the Semarang - Tegal transmission while delivering 50 MW from Central Java to West Java over the circuitous route Samarang - DJelok -

Magelang - Purwokerto - Tegal (183 miles - 294 km)

The analysis shows that if generation is not developed in the

Cilicap area the following sequence of transmission additions wil be

required for the period after 1977

Case 2 No Generation in Cilicap area

(a) Expansion Scheme A

1984 - DT(DC) Garung - Purwokerto (This represents

an advancement from 1989 to 1984)

(b) Expansion Scheme B

1984 - Add second circuit on Garung - Purwokerto DT(SC) line

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

Im Ai- I- l

Lill SiJAVn AI-TEST-- S A-t

TJILATJ AP

A j - vI 1 1 1 I

_ __

113 JAVA

__

A-1

AI A-7A-1-l

1

I [ A-Il

W E1 JAVA -shy 9 I A t s a g stl

111L0 -- fftlal l

-~- J oI

I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

0I NOAL I 2 l177 VIAN h eay

- PEKALO goodi 0

SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

X NORMAL la100 at15

vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

1104

GARUNG ISi~ SALATI GA

UWOETBOJOLAL I10

PURWOKERTO

W SOLO N

E SOOSCENTRAL JAVA LOAD 1235 MW102

EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

TEGA rL SEMARANGshy75 304 3880 S TIMUR

co

bo DJELOK 10

MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

W m~JOGJAKARTA SOLO N

w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

DJATINGALEH-- 0-BOR

MIc66--o

TEGAL F 3 5 -TEGA -SEMARANGshyuTIMUR

1048

4shy 7-x

-1 5103

cmELN T DJEL

GAUGMAEAGSALAT IGA

1055 I b -shy 0_ BOJOLAL I

PURWOKERTO

WJOGJAKARTA SOLO N

TJILATJAP CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

~BOJOLALI

PURWOKERTO

W JOGJAKARTA SOLO 0

CENTRAL JAVA LOAD 252 MW E 09e SOLO0 $deg

TJILATJAP POWER TO WEST JAVA 100 MW C JA r EXNIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

084

1920

102 SEMARANG

WEST

103

DJATINGALEH --2350

1105 SEMARANG

HARBOR

--shy8-i SE4ARANGshy

mum TIMUR

MAGELANG

m~17 m O09 BOJOLAL I

W JOGJAKARTA SOLO S

098 SOLO S CENTRAL JAVA LOAD 252 MW E

z p POWER TO WEST JAVA 100 MW C EXHIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177 - IOo

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-O 1984 LOAD LEVEL - ALT B

CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

-ISCVETI IT CAMINA M31 4I

104 105

104 SEMARANG 104 SEMARANG

PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

2AL SEMARANGshy

- TI MUR

mam

10MAGELANG

1049 BOJOLALI

PURWOKERTO

WJOGJAKARTA SOLO N

099SOLO

105TJILATJAPTIAJPCENTRAL

CENTRAL JAVA LOAD POWER TO WEST JAVA

252 MW

0

E

JAVA EXTRBJT

POWER FROM WEST JAVA 100 MW TRANSMISSION REjUIREMENTS 1077 - 6 SYSTEM OPERATION NORMAL L OAD FLOW TUT A-I

19e4 LOAD LEVEL -ALT A CHAS T MAIN INTEEATIINALIC

inol CHARLTTE LINTC T _SAwul-lc rAL-r

1345

--shye1475

4--281

bull

1034 PEKALONGAN

1211

104 SEMARANG WEST

104 DJATINGALEN

7 B 7894

74-shy 4

t05

SEMARANG HARIBOR

104

TIMUR

vs 1026

MAGELANG

105 PURWOKERTO--am

BOJOLALI

SW-L m JOGJAKARTA I

105

TJILATJAP

CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

252 MW

0 1OO MW

LINE CONTINGENCY

E

CENTRAL JAVA ElBIT

TRANSMISSION REQUIRENENTS 177 - 1

LOAD FLOW TEST A- 1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEENATIONAL 9

IIISTIM CNARLOTTE CL MASCIIU11 -INCAWSINAI 1U144 W~

1115TEBAL

i

in

n

104 SEMARANG102 WESTPEKALONGAN

- 52 4--702 806

4f1 0s33-43

J10

MAGELANG

104 0JOLALI

PURWOKERTO

t10

CENTRAL JAVA LOAD 252 MW 105

TO JAVA 100 MWTJILATJAPAT POWER WESTI J P OWERFROMWESCENTRAL

POWER FROM WEST JAVA 0 SYSTEM OPERATION NORMAL

105 SEMARANG104

HARBORDJATINGALEH

-W163104 _SEMARANG-I I TIMUR

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0987

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p 720

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POWER FROM WEST JAVA SYSTEM OPERATION

252 MW 100 MW

0 LINE CONTINGENCY

E 9SL EXIT

CENTRAL JAVA

CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

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-II STIL T_ARTN 231I 1 4

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096 098

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90 MSOLO $ CENTRAL JAVA LOAD 252 MW E

092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

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S- - SCHAS T MAIN INTEMATIONAL INC BOSTON CHARLITTE CLIEt

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ci iT W JOGJAKATA

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CENTRAL JAVA LOAD

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Pp(I-e-4 c k

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0 500 Ml

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rtJf I

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TRANSMISSION REQUIREMENTS

LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

CHAS T MAIN INTENATIINAL INC ISCi BOSTON CNAILTTE CLIET

MASSACHUSETTS NRTH l 2

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_

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r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

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---8 shy 204

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28 -0-0--35 9j7 1044

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S --909 GARUNG

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-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

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cn 1 02

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252 MW 0

50 MW

NORMAL

bullC EXHIBIT

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

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TEG L1 77 4- 200 290 -004

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- IPOWER FROM WEST JAVA 0 TRANSMIS31ON REQUIREMENTS 1077 lg-

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_ - ASSACHUSETTS CIN NA MII A8

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1035 SEMARANG SEMARANG 104 HARBOR

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33244- 191 47 104 I SEMARANGLJ

TiMURro

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095

1194 SALATIGA

29 32 0 -f BOJOLAL I

am WJOGJAKATA SOLO I

094 m -SOLO $ T TJ kP m EElIl

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TTJ1L~AIP POWER TO WEST JAVA 50 MW CENTRAL JAVA POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - In

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

ASSACHUSETTS NOTHN I 2111

37

UR

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a 2 0

k1 104

SE ARANG

Ideg -T

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0 TRANSMISSION REQUIREMENTS

LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

CHAS T MAIN INTERNATIONAL INC s

BOSTON CNARLOTTE CLIENT MASSACHUSEITS NORTN CA 261i

OL S9

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1977 - 190

1 shy4

(-)

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103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

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POWER FROM WEST JAVA 100 TRANSMISSION REQUIREMENTS 1977 - 1SB

SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

Cshy 105 1037 SEMARANG

102 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

- 165 -- 575 1614 -4--3 4 - 234 1044 TEAL TIMURa~im SEMARANG

cca

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0n CENTRAL JAVA LOAD 252 MW EXHIBIT iNEW TJILATJAP POWER TO WEST JAVA 0 CNRLJV -

- - POWER FROM WEST JAVA 100 MW TRANSMISSION REQUIREMNTS 1977 -1989l

-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

C AS T MAIN INTERNAT I ONAL IC _ _ -

L IOSTON NAILITTE CLIENT Eg -AACUSTTS ANA INITN t21 64

r7

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626

TRANSISSION RE9UIEENEN TS

CUALTIGAIUTI

117 -

| SN i

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u vL-- r4 J 194 LOAD LEVEL - iLTIr _L - euroI ip I~wi |CHAt T MAIN INTEBUTIUAL IUC __-

1025 105 1025 SEMARANG

098 SEMARANG 103 HARBOR PEKALONGAN WEST DJATINGALEH

114

0-i-SEMARANG

213 -- 30 I-06-404 1041

-shy TIMUR

SALATIGA

i~0 i I o57 SY TE2 I L--6 NCL I F TBOJOLALI

3Q POWER FROM WEST JAVA 0 RNMISO RQI REET 0shy

1 LOAD LEEL -T WoT MAINToAT

-

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POWER FROM WEST JAVA 1O

0 n

CENTRAL JAVATRANSHIS31ON RE91IIIE4NTS 177 -lion

_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

- ALTD1 lC

TI U CNLT11- X 111111

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105

104 SEMARANG SEMARANG 104 HARBOR1037

PEKALONGAN WEST DJATINGALEH shy

--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

4103 I OJELOK

GARUNG SALATIGA

722--4shy 17 5--l BOJOLALI

PURWOKERTO 1044

w SOLOMoo n t JOGJAKATAi m CENTRAL JAVA LOAD 252 MW 81T

105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

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17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

Q WAY A syn T

Elf mmi Mosm-W Novoampshy

otoilloMCA

11gooNET VVYj-tF

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On

VISefumll 11 I

42

Inv A N

REPORT ON

TRANSMISSION REQUIREMENTS

KETENGER SYSTEM

10 INTRODUCTION

Aid loan PDJ 046 TST-72 calls for the establishment of double

circuit 150 kV transmission (two circuits strung initially) in the Ketenger

system from Pekalongan to Cilicap a distance of about 120 miles 193 kin)

The Federal Republic of Germany (FRG) which is also providing financial

assistance to the GOI for the development of the electrical sector in

Central Java is planning to construct 150 kV double circuit transmission

(only one circuit strung initially) from the Samarang load area to Pekalongan

to interconnect the Tuntang and Ketenger systems of Central Java The FRG

also plans to finance a second 150 kV tie between the Tuntang and Ketenger

systems extending from Magelang to Purwokerto-a distance of 74 miles

(119 km) This transmission which will consist of double circuit towers

with one circuit strung initially will elso be used to incorporate the

Garung hydro plant

An analysis is made to (a) review long-term transmission requireshy

ments for Ketenger (b) determine economics of alternate transmission developshy

ment plans and (c) make recommendations on the immediate transmission

requirements corresponding to the least cost future expansion

The analysis considers the effect on transmission requirements of

the recommended 150 kV interconnection between the West Java and Central

Java systems This interconnection which will be In service by 1977

extends from the Cirebon area to Tegal and comprises of double circuit

towers with two circuits strung initially

20 DEFINITION OF ALTERNATIVES

In describing the alternative tow3r configurations considered in the

report the following nomenclature will be used

DT (DC) Double circuit towers - two circuits strung

DT (SC) Double circuit towers - one circuit strung

ST Single circuit towers

30

The following two alternative transmission schemes are considered for initial implementation in 1977 (See Exhibits 1 and 2)

Alternative A DT(DC) transmission extending from Samarang-Timur to Cilicap via Pekalongan Tegal and Purwokerto Garung hydro is incorporated over DT(SC) transmission to Magelang

Alternative B DT(SC) transmission from Samarang-Timur to Purwokerto DT(SC) transmission from Magelang - Purwokerto via Garung and DT(DC) from Purwokerto to Cilicap

The DT(DC) transmission Purwokerto - Cilicap is common to both alternatives

Transmission requirements beyond 1977 are then developed for each of the two above alternatives and an economic analysis made of these two developments to determine the least cost transmission expansion scheme The analysis also considers the possible initial development of Alternative B with ST instead of DT(SC)

COST ESTIMATES

The following cost estimates are used in the economic analysis of the alternate transmission developments

31 Transmission Lines

Transmission costs for the Ketenger transmission could vary appreciably depending on procurement policies For the purpose of this analysis the following range of costs apply

$mile

Procurement

DT(DC) DT(SC)

US Procurement 55000 42500

of tower steel from India

40000 31000

ST 34200 25000

The cost of adding the second circuit on a DT(SC) line

at some later date is estimated to be $11000mile

32 Substations

For the purpose of this analysis all substations are

assumed developed with standard main-and-transfer bus schemes The

cost of a 150 kV feeder position is assumed to be $150000

40 ALTERNATIVE TRANSMISSION EXPANSION SCHEMES

Load flow analyses outlined in the attached Appendix demonstrate

the requirement for the following future transmission additions for Alternatives

A and B defined in Section 3 (only uncommon facilities are indicated)

Case 1 Generation in Cilicap area

(a) Expansion Scheme A

1977 - DT(DC) Samarang Timur - Tegal - Purwokerto

(146 miles - 235 kin)

1989 - DT(DC) Garung - Purwokerto

(48 miles - 775 kin)

(b) Expansion Scheme B

1977 - DT(SC) Samarang Timur - Tegal - Purwokerto

- DT(SC) Garung - Purwokerto

1977 - 1980 - Add second circuit on DT(SC)

Samarang Timur - Tegal (915 miles - 147 kin)

1989 - Add second circuit on

(a) Garung - Purwokerto (48 miles - 775 kin)

(b) Tegal - Purwokerto (548 miles - 88 km)

By 1989 Schemes A and B will have the same transmission

facilities

The above schemes were developed on the following basis

(a) Transmission should be adequate for the transfer otiD-j

om Central Java to West Java or from West Java to Central Java up to

After 1984 the transfer capacity is increased to 100 MW in

either direction A transmission outage of one critical circuit is assumed

in the analysis Due to the very high isokeraunic level in the wet season

this is considered aminimum contingency requirement

(b) Generation will be developed in the Cilicap area with about

100 MW available in 1984

The requirement for transmission in 1977-1980 in Expansion

Scheme B is dictated by very poor voltage conditions resulting from the loss of any section of the Semarang - Tegal transmission while delivering 50 MW from Central Java to West Java over the circuitous route Samarang - DJelok -

Magelang - Purwokerto - Tegal (183 miles - 294 km)

The analysis shows that if generation is not developed in the

Cilicap area the following sequence of transmission additions wil be

required for the period after 1977

Case 2 No Generation in Cilicap area

(a) Expansion Scheme A

1984 - DT(DC) Garung - Purwokerto (This represents

an advancement from 1989 to 1984)

(b) Expansion Scheme B

1984 - Add second circuit on Garung - Purwokerto DT(SC) line

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

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M I SEMARANG

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I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

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COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

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X nut_ _ I 105

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12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

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Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

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Exhibit C

105

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1984 LOAD LEVEL - ALT I

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EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

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i

REPORT ON

TRANSMISSION REQUIREMENTS

KETENGER SYSTEM

10 INTRODUCTION

Aid loan PDJ 046 TST-72 calls for the establishment of double

circuit 150 kV transmission (two circuits strung initially) in the Ketenger

system from Pekalongan to Cilicap a distance of about 120 miles 193 kin)

The Federal Republic of Germany (FRG) which is also providing financial

assistance to the GOI for the development of the electrical sector in

Central Java is planning to construct 150 kV double circuit transmission

(only one circuit strung initially) from the Samarang load area to Pekalongan

to interconnect the Tuntang and Ketenger systems of Central Java The FRG

also plans to finance a second 150 kV tie between the Tuntang and Ketenger

systems extending from Magelang to Purwokerto-a distance of 74 miles

(119 km) This transmission which will consist of double circuit towers

with one circuit strung initially will elso be used to incorporate the

Garung hydro plant

An analysis is made to (a) review long-term transmission requireshy

ments for Ketenger (b) determine economics of alternate transmission developshy

ment plans and (c) make recommendations on the immediate transmission

requirements corresponding to the least cost future expansion

The analysis considers the effect on transmission requirements of

the recommended 150 kV interconnection between the West Java and Central

Java systems This interconnection which will be In service by 1977

extends from the Cirebon area to Tegal and comprises of double circuit

towers with two circuits strung initially

20 DEFINITION OF ALTERNATIVES

In describing the alternative tow3r configurations considered in the

report the following nomenclature will be used

DT (DC) Double circuit towers - two circuits strung

DT (SC) Double circuit towers - one circuit strung

ST Single circuit towers

30

The following two alternative transmission schemes are considered for initial implementation in 1977 (See Exhibits 1 and 2)

Alternative A DT(DC) transmission extending from Samarang-Timur to Cilicap via Pekalongan Tegal and Purwokerto Garung hydro is incorporated over DT(SC) transmission to Magelang

Alternative B DT(SC) transmission from Samarang-Timur to Purwokerto DT(SC) transmission from Magelang - Purwokerto via Garung and DT(DC) from Purwokerto to Cilicap

The DT(DC) transmission Purwokerto - Cilicap is common to both alternatives

Transmission requirements beyond 1977 are then developed for each of the two above alternatives and an economic analysis made of these two developments to determine the least cost transmission expansion scheme The analysis also considers the possible initial development of Alternative B with ST instead of DT(SC)

COST ESTIMATES

The following cost estimates are used in the economic analysis of the alternate transmission developments

31 Transmission Lines

Transmission costs for the Ketenger transmission could vary appreciably depending on procurement policies For the purpose of this analysis the following range of costs apply

$mile

Procurement

DT(DC) DT(SC)

US Procurement 55000 42500

of tower steel from India

40000 31000

ST 34200 25000

The cost of adding the second circuit on a DT(SC) line

at some later date is estimated to be $11000mile

32 Substations

For the purpose of this analysis all substations are

assumed developed with standard main-and-transfer bus schemes The

cost of a 150 kV feeder position is assumed to be $150000

40 ALTERNATIVE TRANSMISSION EXPANSION SCHEMES

Load flow analyses outlined in the attached Appendix demonstrate

the requirement for the following future transmission additions for Alternatives

A and B defined in Section 3 (only uncommon facilities are indicated)

Case 1 Generation in Cilicap area

(a) Expansion Scheme A

1977 - DT(DC) Samarang Timur - Tegal - Purwokerto

(146 miles - 235 kin)

1989 - DT(DC) Garung - Purwokerto

(48 miles - 775 kin)

(b) Expansion Scheme B

1977 - DT(SC) Samarang Timur - Tegal - Purwokerto

- DT(SC) Garung - Purwokerto

1977 - 1980 - Add second circuit on DT(SC)

Samarang Timur - Tegal (915 miles - 147 kin)

1989 - Add second circuit on

(a) Garung - Purwokerto (48 miles - 775 kin)

(b) Tegal - Purwokerto (548 miles - 88 km)

By 1989 Schemes A and B will have the same transmission

facilities

The above schemes were developed on the following basis

(a) Transmission should be adequate for the transfer otiD-j

om Central Java to West Java or from West Java to Central Java up to

After 1984 the transfer capacity is increased to 100 MW in

either direction A transmission outage of one critical circuit is assumed

in the analysis Due to the very high isokeraunic level in the wet season

this is considered aminimum contingency requirement

(b) Generation will be developed in the Cilicap area with about

100 MW available in 1984

The requirement for transmission in 1977-1980 in Expansion

Scheme B is dictated by very poor voltage conditions resulting from the loss of any section of the Semarang - Tegal transmission while delivering 50 MW from Central Java to West Java over the circuitous route Samarang - DJelok -

Magelang - Purwokerto - Tegal (183 miles - 294 km)

The analysis shows that if generation is not developed in the

Cilicap area the following sequence of transmission additions wil be

required for the period after 1977

Case 2 No Generation in Cilicap area

(a) Expansion Scheme A

1984 - DT(DC) Garung - Purwokerto (This represents

an advancement from 1989 to 1984)

(b) Expansion Scheme B

1984 - Add second circuit on Garung - Purwokerto DT(SC) line

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

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NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

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SIRA SEMARANG

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M I SEMARANG

T TIMUR

~c1

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I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

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113 JAVA

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113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

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NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

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vahry - PRWOKERTO I h0 71

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ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

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1084

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0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

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TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

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Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

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co

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MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

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w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

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1048

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POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

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7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

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TJILATJAP POWER TO WEST JAVA 100 MW C JA r EXNIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

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10 INTRODUCTION

Aid loan PDJ 046 TST-72 calls for the establishment of double

circuit 150 kV transmission (two circuits strung initially) in the Ketenger

system from Pekalongan to Cilicap a distance of about 120 miles 193 kin)

The Federal Republic of Germany (FRG) which is also providing financial

assistance to the GOI for the development of the electrical sector in

Central Java is planning to construct 150 kV double circuit transmission

(only one circuit strung initially) from the Samarang load area to Pekalongan

to interconnect the Tuntang and Ketenger systems of Central Java The FRG

also plans to finance a second 150 kV tie between the Tuntang and Ketenger

systems extending from Magelang to Purwokerto-a distance of 74 miles

(119 km) This transmission which will consist of double circuit towers

with one circuit strung initially will elso be used to incorporate the

Garung hydro plant

An analysis is made to (a) review long-term transmission requireshy

ments for Ketenger (b) determine economics of alternate transmission developshy

ment plans and (c) make recommendations on the immediate transmission

requirements corresponding to the least cost future expansion

The analysis considers the effect on transmission requirements of

the recommended 150 kV interconnection between the West Java and Central

Java systems This interconnection which will be In service by 1977

extends from the Cirebon area to Tegal and comprises of double circuit

towers with two circuits strung initially

20 DEFINITION OF ALTERNATIVES

In describing the alternative tow3r configurations considered in the

report the following nomenclature will be used

DT (DC) Double circuit towers - two circuits strung

DT (SC) Double circuit towers - one circuit strung

ST Single circuit towers

30

The following two alternative transmission schemes are considered for initial implementation in 1977 (See Exhibits 1 and 2)

Alternative A DT(DC) transmission extending from Samarang-Timur to Cilicap via Pekalongan Tegal and Purwokerto Garung hydro is incorporated over DT(SC) transmission to Magelang

Alternative B DT(SC) transmission from Samarang-Timur to Purwokerto DT(SC) transmission from Magelang - Purwokerto via Garung and DT(DC) from Purwokerto to Cilicap

The DT(DC) transmission Purwokerto - Cilicap is common to both alternatives

Transmission requirements beyond 1977 are then developed for each of the two above alternatives and an economic analysis made of these two developments to determine the least cost transmission expansion scheme The analysis also considers the possible initial development of Alternative B with ST instead of DT(SC)

COST ESTIMATES

The following cost estimates are used in the economic analysis of the alternate transmission developments

31 Transmission Lines

Transmission costs for the Ketenger transmission could vary appreciably depending on procurement policies For the purpose of this analysis the following range of costs apply

$mile

Procurement

DT(DC) DT(SC)

US Procurement 55000 42500

of tower steel from India

40000 31000

ST 34200 25000

The cost of adding the second circuit on a DT(SC) line

at some later date is estimated to be $11000mile

32 Substations

For the purpose of this analysis all substations are

assumed developed with standard main-and-transfer bus schemes The

cost of a 150 kV feeder position is assumed to be $150000

40 ALTERNATIVE TRANSMISSION EXPANSION SCHEMES

Load flow analyses outlined in the attached Appendix demonstrate

the requirement for the following future transmission additions for Alternatives

A and B defined in Section 3 (only uncommon facilities are indicated)

Case 1 Generation in Cilicap area

(a) Expansion Scheme A

1977 - DT(DC) Samarang Timur - Tegal - Purwokerto

(146 miles - 235 kin)

1989 - DT(DC) Garung - Purwokerto

(48 miles - 775 kin)

(b) Expansion Scheme B

1977 - DT(SC) Samarang Timur - Tegal - Purwokerto

- DT(SC) Garung - Purwokerto

1977 - 1980 - Add second circuit on DT(SC)

Samarang Timur - Tegal (915 miles - 147 kin)

1989 - Add second circuit on

(a) Garung - Purwokerto (48 miles - 775 kin)

(b) Tegal - Purwokerto (548 miles - 88 km)

By 1989 Schemes A and B will have the same transmission

facilities

The above schemes were developed on the following basis

(a) Transmission should be adequate for the transfer otiD-j

om Central Java to West Java or from West Java to Central Java up to

After 1984 the transfer capacity is increased to 100 MW in

either direction A transmission outage of one critical circuit is assumed

in the analysis Due to the very high isokeraunic level in the wet season

this is considered aminimum contingency requirement

(b) Generation will be developed in the Cilicap area with about

100 MW available in 1984

The requirement for transmission in 1977-1980 in Expansion

Scheme B is dictated by very poor voltage conditions resulting from the loss of any section of the Semarang - Tegal transmission while delivering 50 MW from Central Java to West Java over the circuitous route Samarang - DJelok -

Magelang - Purwokerto - Tegal (183 miles - 294 km)

The analysis shows that if generation is not developed in the

Cilicap area the following sequence of transmission additions wil be

required for the period after 1977

Case 2 No Generation in Cilicap area

(a) Expansion Scheme A

1984 - DT(DC) Garung - Purwokerto (This represents

an advancement from 1989 to 1984)

(b) Expansion Scheme B

1984 - Add second circuit on Garung - Purwokerto DT(SC) line

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

Im Ai- I- l

Lill SiJAVn AI-TEST-- S A-t

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A j - vI 1 1 1 I

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113 JAVA

__

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AI A-7A-1-l

1

I [ A-Il

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111L0 -- fftlal l

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I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

0I NOAL I 2 l177 VIAN h eay

- PEKALO goodi 0

SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

X NORMAL la100 at15

vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

1104

GARUNG ISi~ SALATI GA

UWOETBOJOLAL I10

PURWOKERTO

W SOLO N

E SOOSCENTRAL JAVA LOAD 1235 MW102

EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

TEGA rL SEMARANGshy75 304 3880 S TIMUR

co

bo DJELOK 10

MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

W m~JOGJAKARTA SOLO N

w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

DJATINGALEH-- 0-BOR

MIc66--o

TEGAL F 3 5 -TEGA -SEMARANGshyuTIMUR

1048

4shy 7-x

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cmELN T DJEL

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POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

~BOJOLALI

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CENTRAL JAVA LOAD 252 MW E 09e SOLO0 $deg

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

084

1920

102 SEMARANG

WEST

103

DJATINGALEH --2350

1105 SEMARANG

HARBOR

--shy8-i SE4ARANGshy

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m~17 m O09 BOJOLAL I

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177 - IOo

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-O 1984 LOAD LEVEL - ALT B

CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

-ISCVETI IT CAMINA M31 4I

104 105

104 SEMARANG 104 SEMARANG

PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

2AL SEMARANGshy

- TI MUR

mam

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1049 BOJOLALI

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099SOLO

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19e4 LOAD LEVEL -ALT A CHAS T MAIN INTEEATIINALIC

inol CHARLTTE LINTC T _SAwul-lc rAL-r

1345

--shye1475

4--281

bull

1034 PEKALONGAN

1211

104 SEMARANG WEST

104 DJATINGALEN

7 B 7894

74-shy 4

t05

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TIMUR

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TRANSMISSION REQUIRENENTS 177 - 1

LOAD FLOW TEST A- 1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEENATIONAL 9

IIISTIM CNARLOTTE CL MASCIIU11 -INCAWSINAI 1U144 W~

1115TEBAL

i

in

n

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- 52 4--702 806

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t10

CENTRAL JAVA LOAD 252 MW 105

TO JAVA 100 MWTJILATJAPAT POWER WESTI J P OWERFROMWESCENTRAL

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105 SEMARANG104

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1025 100 i DJELOK

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i i E T

EXNIIIT

0987

JAVA TRANSMISSION REQUIRENEnTS 1977 - IOU

LOAD FLOW TEST A-1i 1984 LOAD LEVEL - ALT A

INCmINTEMATIONALCHAS T VAIN ICARLITTE CLIEN to

NISACNK~l--MU CAIUIA =IS AM

l

to

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541

ZXS f- -4

101SEMARANG PEKALONGAN

p 720

U 00- 75

104

WEST

104 DJATINGALEH

1

2u104

105 SEMARANG HARBOR

SEMARANG-IJ

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MAGELANG MAEN SALATIGA

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CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA SYSTEM OPERATION

252 MW 100 MW

0 LINE CONTINGENCY

E 9SL EXIT

CENTRAL JAVA

CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEMATIONAL I-shy-OSTIM CNALOTTE CLIENT JOB

-II STIL T_ARTN 231I 1 4

103 105

094 SEMARANG 1035 SEMARANG

-m-10 49 PEKALONGAN

p-1290 WEST DJATINGALEH

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096 098

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230 4401 4-0 L O---- 93 BOJOLAL I

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092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

S- - SCHAS T MAIN INTEMATIONAL INC BOSTON CHARLITTE CLIEt

S III TN allmLlINA 2U1 4 -

i 05

I 117 9 1057

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105 SEMARANG WEST

1048 DJATINGALEH4

SEMARANG HARBOR

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41 1 9 12

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Pp(I-e-4 c k

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0 500 Ml

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rtJf I

CENTRAL JAVA

TRANSMISSION REQUIREMENTS

LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

CHAS T MAIN INTENATIINAL INC ISCi BOSTON CNAILTTE CLIET

MASSACHUSETTS NRTH l 2

SOLO U

EXXEISIT

1977 - OS

_

n| i

in7 9 4 -4I16

i

105 104 SENARANG

101 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

---2--45 566 5500 35 m-772II -- 45 lo 4

TEGA 41 5~I2h~1im 4 6L SEMARANG 7 TIMUR

Yn

4 a

104

103 jj DJELOK

2

1 01 0 BOJOLAL I

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r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

855 - - ObC -SEM N 14

SEI4A~kNG00 WEST DJAT INGALEH

---8 shy 204

HARBOR

28 -0-0--35 9j7 1044

SEMARANG TIMUR

S --909 GARUNG

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SOLO

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CENTRAL JAVA LOAD 1235 MW

M TJILATJAP POWER TO WEST JAVA 500 CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 shy tO0 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOV TEST 1-3

- - 1977 LOAD LEVEL - ALT CHAS T NAIN INTERNATIONALINC

-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

1036 SEMARANG 102 SEMARANG 104 HARBOR

PEKALONGAN WEST DJATINGALEH 7516

1044IA 164 TE4AL 1 SEMARANG

82U TIMUR

cn 1 02

7 102

I0 MAGELANG 10 10GARUNG

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CENTRAL JAVA LOAD POWER TO WEST JAVA POWER FROM WEST JAVA

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252 MW 0

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bullC EXHIBIT

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

BOSTON CNAiLITTE CLIENT 1N MASSAHUSETTS NIAN CAOIA236N1 44 A

1025 SEMAR GSEMARANG 103 HARBORPEKALONGAN WEST DJATiNGALEH 0 C ---8865 00 10 33TEGAL

TEG L1 77 4- 200 290 -004

i____I_ SEMARANG TIMUR

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HA-S T MAIN INTE ATIONAL N ALE-8 USTON CHARLOTTE CLIENT ift

MSSAHUSETTS NORTHCARILN ZI 4

___

10 0S 05

S0 SEMARANGQSEMARANG HARBOR102PEKALONGAN WEST DJATINGALEH -- 105-3-2618 --1317 -0--1750 Vqolo-- 30 I 4-88 ~10488960

i SEMARANG

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- IPOWER FROM WEST JAVA 0 TRANSMIS31ON REQUIREMENTS 1077 lg-

SYSTEM OPERATION LINE CONTINGENCY LA LVTS shy1984 LOAD LEVEL - ALT D -- C~~HAST MAIN INT|IMATINAL INCI I d shy

_ - ASSACHUSETTS CIN NA MII A8

105

1035 SEMARANG SEMARANG 104 HARBOR

N WEST DJATINGALEH 4-49 9

33244- 191 47 104 I SEMARANGLJ

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095

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SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

ASSACHUSETTS NOTHN I 2111

37

UR

0976 PEKALONGAN

01 0TIMUR

deg0

878

cl

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103 SEMARANG SEMARANG 104 HARBOR WEST DJATINGALEH ul

a 2 0

k1 104

SE ARANG

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SLTG

DJEOLOOK

W

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252 MW

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LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

CHAS T MAIN INTERNATIONAL INC s

BOSTON CNARLOTTE CLIENT MASSACHUSEITS NORTN CA 261i

OL S9

SOLOa

1977 - 190

1 shy4

(-)

i05 104 SEMARANG

103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

7 -4-

I-ui 132 1 161 104

SEMARANG TIMUR

4 l DJELOK

104 GARU 16 -4ll O

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CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

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-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

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114

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S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

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EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

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105 103 SEMARANG

098 SEMARANG 1036 HARBOR

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r TIMJR

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__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

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m T DJELOK

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TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

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1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

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-+--+ + +

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ISEMARANGshy

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C E CHAS T NAMt INTEMATIUALIN K VON[

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i

30

The following two alternative transmission schemes are considered for initial implementation in 1977 (See Exhibits 1 and 2)

Alternative A DT(DC) transmission extending from Samarang-Timur to Cilicap via Pekalongan Tegal and Purwokerto Garung hydro is incorporated over DT(SC) transmission to Magelang

Alternative B DT(SC) transmission from Samarang-Timur to Purwokerto DT(SC) transmission from Magelang - Purwokerto via Garung and DT(DC) from Purwokerto to Cilicap

The DT(DC) transmission Purwokerto - Cilicap is common to both alternatives

Transmission requirements beyond 1977 are then developed for each of the two above alternatives and an economic analysis made of these two developments to determine the least cost transmission expansion scheme The analysis also considers the possible initial development of Alternative B with ST instead of DT(SC)

COST ESTIMATES

The following cost estimates are used in the economic analysis of the alternate transmission developments

31 Transmission Lines

Transmission costs for the Ketenger transmission could vary appreciably depending on procurement policies For the purpose of this analysis the following range of costs apply

$mile

Procurement

DT(DC) DT(SC)

US Procurement 55000 42500

of tower steel from India

40000 31000

ST 34200 25000

The cost of adding the second circuit on a DT(SC) line

at some later date is estimated to be $11000mile

32 Substations

For the purpose of this analysis all substations are

assumed developed with standard main-and-transfer bus schemes The

cost of a 150 kV feeder position is assumed to be $150000

40 ALTERNATIVE TRANSMISSION EXPANSION SCHEMES

Load flow analyses outlined in the attached Appendix demonstrate

the requirement for the following future transmission additions for Alternatives

A and B defined in Section 3 (only uncommon facilities are indicated)

Case 1 Generation in Cilicap area

(a) Expansion Scheme A

1977 - DT(DC) Samarang Timur - Tegal - Purwokerto

(146 miles - 235 kin)

1989 - DT(DC) Garung - Purwokerto

(48 miles - 775 kin)

(b) Expansion Scheme B

1977 - DT(SC) Samarang Timur - Tegal - Purwokerto

- DT(SC) Garung - Purwokerto

1977 - 1980 - Add second circuit on DT(SC)

Samarang Timur - Tegal (915 miles - 147 kin)

1989 - Add second circuit on

(a) Garung - Purwokerto (48 miles - 775 kin)

(b) Tegal - Purwokerto (548 miles - 88 km)

By 1989 Schemes A and B will have the same transmission

facilities

The above schemes were developed on the following basis

(a) Transmission should be adequate for the transfer otiD-j

om Central Java to West Java or from West Java to Central Java up to

After 1984 the transfer capacity is increased to 100 MW in

either direction A transmission outage of one critical circuit is assumed

in the analysis Due to the very high isokeraunic level in the wet season

this is considered aminimum contingency requirement

(b) Generation will be developed in the Cilicap area with about

100 MW available in 1984

The requirement for transmission in 1977-1980 in Expansion

Scheme B is dictated by very poor voltage conditions resulting from the loss of any section of the Semarang - Tegal transmission while delivering 50 MW from Central Java to West Java over the circuitous route Samarang - DJelok -

Magelang - Purwokerto - Tegal (183 miles - 294 km)

The analysis shows that if generation is not developed in the

Cilicap area the following sequence of transmission additions wil be

required for the period after 1977

Case 2 No Generation in Cilicap area

(a) Expansion Scheme A

1984 - DT(DC) Garung - Purwokerto (This represents

an advancement from 1989 to 1984)

(b) Expansion Scheme B

1984 - Add second circuit on Garung - Purwokerto DT(SC) line

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

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4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

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SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

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A j - vI 1 1 1 I

_ __

113 JAVA

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1

I [ A-Il

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111L0 -- fftlal l

-~- J oI

I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

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SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

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vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

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W SOLO N

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EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

TEGA rL SEMARANGshy75 304 3880 S TIMUR

co

bo DJELOK 10

MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

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w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

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1048

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TJILATJAP CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

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l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

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-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

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bullC EXHIBIT

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

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TEG L1 77 4- 200 290 -004

i____I_ SEMARANG TIMUR

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5 9 5 2

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HA-S T MAIN INTE ATIONAL N ALE-8 USTON CHARLOTTE CLIENT ift

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- IPOWER FROM WEST JAVA 0 TRANSMIS31ON REQUIREMENTS 1077 lg-

SYSTEM OPERATION LINE CONTINGENCY LA LVTS shy1984 LOAD LEVEL - ALT D -- C~~HAST MAIN INT|IMATINAL INCI I d shy

_ - ASSACHUSETTS CIN NA MII A8

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1035 SEMARANG SEMARANG 104 HARBOR

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33244- 191 47 104 I SEMARANGLJ

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TTJ1L~AIP POWER TO WEST JAVA 50 MW CENTRAL JAVA POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - In

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

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a 2 0

k1 104

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LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

CHAS T MAIN INTERNATIONAL INC s

BOSTON CNARLOTTE CLIENT MASSACHUSEITS NORTN CA 261i

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1977 - 190

1 shy4

(-)

i05 104 SEMARANG

103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

7 -4-

I-ui 132 1 161 104

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1015 CENTRAL JAVA LOAD 252 MW EHIBIT TJILATJAP POWER TO WEST JAVA 0 CENTRALiJAVA

POWER FROM WEST JAVA 100 TRANSMISSION REQUIREMENTS 1977 - 1SB

SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

Cshy 105 1037 SEMARANG

102 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

- 165 -- 575 1614 -4--3 4 - 234 1044 TEAL TIMURa~im SEMARANG

cca

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-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

C AS T MAIN INTERNAT I ONAL IC _ _ -

L IOSTON NAILITTE CLIENT Eg -AACUSTTS ANA INITN t21 64

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114

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CENTRAL JAVATRANSHIS31ON RE91IIIE4NTS 177 -lion

_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

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TI U CNLT11- X 111111

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105

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--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

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1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

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S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

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EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

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1103

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__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

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0 996 SEMARANG 102 bull WEST DJATINGALEH

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1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

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103 S 05

SEMARANGSEMARANG 1036

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ISEMARANGshy

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0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

The cost of adding the second circuit on a DT(SC) line

at some later date is estimated to be $11000mile

32 Substations

For the purpose of this analysis all substations are

assumed developed with standard main-and-transfer bus schemes The

cost of a 150 kV feeder position is assumed to be $150000

40 ALTERNATIVE TRANSMISSION EXPANSION SCHEMES

Load flow analyses outlined in the attached Appendix demonstrate

the requirement for the following future transmission additions for Alternatives

A and B defined in Section 3 (only uncommon facilities are indicated)

Case 1 Generation in Cilicap area

(a) Expansion Scheme A

1977 - DT(DC) Samarang Timur - Tegal - Purwokerto

(146 miles - 235 kin)

1989 - DT(DC) Garung - Purwokerto

(48 miles - 775 kin)

(b) Expansion Scheme B

1977 - DT(SC) Samarang Timur - Tegal - Purwokerto

- DT(SC) Garung - Purwokerto

1977 - 1980 - Add second circuit on DT(SC)

Samarang Timur - Tegal (915 miles - 147 kin)

1989 - Add second circuit on

(a) Garung - Purwokerto (48 miles - 775 kin)

(b) Tegal - Purwokerto (548 miles - 88 km)

By 1989 Schemes A and B will have the same transmission

facilities

The above schemes were developed on the following basis

(a) Transmission should be adequate for the transfer otiD-j

om Central Java to West Java or from West Java to Central Java up to

After 1984 the transfer capacity is increased to 100 MW in

either direction A transmission outage of one critical circuit is assumed

in the analysis Due to the very high isokeraunic level in the wet season

this is considered aminimum contingency requirement

(b) Generation will be developed in the Cilicap area with about

100 MW available in 1984

The requirement for transmission in 1977-1980 in Expansion

Scheme B is dictated by very poor voltage conditions resulting from the loss of any section of the Semarang - Tegal transmission while delivering 50 MW from Central Java to West Java over the circuitous route Samarang - DJelok -

Magelang - Purwokerto - Tegal (183 miles - 294 km)

The analysis shows that if generation is not developed in the

Cilicap area the following sequence of transmission additions wil be

required for the period after 1977

Case 2 No Generation in Cilicap area

(a) Expansion Scheme A

1984 - DT(DC) Garung - Purwokerto (This represents

an advancement from 1989 to 1984)

(b) Expansion Scheme B

1984 - Add second circuit on Garung - Purwokerto DT(SC) line

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

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Lill SiJAVn AI-TEST-- S A-t

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113 JAVA

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111L0 -- fftlal l

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I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

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SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

X NORMAL la100 at15

vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

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108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

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W SOLO N

E SOOSCENTRAL JAVA LOAD 1235 MW102

EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

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co

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p BOJOLAL

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w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

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252 W 0

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7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

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11055

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CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

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1920

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SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-O 1984 LOAD LEVEL - ALT B

CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

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PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

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CENTRAL JAVA LOAD POWER TO WEST JAVA

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252 MW 100 MW

0 LINE CONTINGENCY

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CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEMATIONAL I-shy-OSTIM CNALOTTE CLIENT JOB

-II STIL T_ARTN 231I 1 4

103 105

094 SEMARANG 1035 SEMARANG

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092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

S- - SCHAS T MAIN INTEMATIONAL INC BOSTON CHARLITTE CLIEt

S III TN allmLlINA 2U1 4 -

i 05

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LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

CHAS T MAIN INTENATIINAL INC ISCi BOSTON CNAILTTE CLIET

MASSACHUSETTS NRTH l 2

SOLO U

EXXEISIT

1977 - OS

_

n| i

in7 9 4 -4I16

i

105 104 SENARANG

101 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

---2--45 566 5500 35 m-772II -- 45 lo 4

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r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

855 - - ObC -SEM N 14

SEI4A~kNG00 WEST DJAT INGALEH

---8 shy 204

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28 -0-0--35 9j7 1044

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S --909 GARUNG

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 shy tO0 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOV TEST 1-3

- - 1977 LOAD LEVEL - ALT CHAS T NAIN INTERNATIONALINC

-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

1036 SEMARANG 102 SEMARANG 104 HARBOR

PEKALONGAN WEST DJATINGALEH 7516

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LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

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TEG L1 77 4- 200 290 -004

i____I_ SEMARANG TIMUR

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SYSTEM OPERATION LINE CONTINGENCY LA LVTS shy1984 LOAD LEVEL - ALT D -- C~~HAST MAIN INT|IMATINAL INCI I d shy

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SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

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LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

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1977 - 190

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103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

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1015 CENTRAL JAVA LOAD 252 MW EHIBIT TJILATJAP POWER TO WEST JAVA 0 CENTRALiJAVA

POWER FROM WEST JAVA 100 TRANSMISSION REQUIREMENTS 1977 - 1SB

SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

Cshy 105 1037 SEMARANG

102 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

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cca

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-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

C AS T MAIN INTERNAT I ONAL IC _ _ -

L IOSTON NAILITTE CLIENT Eg -AACUSTTS ANA INITN t21 64

r7

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1025 105 1025 SEMARANG

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114

0-i-SEMARANG

213 -- 30 I-06-404 1041

-shy TIMUR

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_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

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105

104 SEMARANG SEMARANG 104 HARBOR1037

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--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

4103 I OJELOK

GARUNG SALATIGA

722--4shy 17 5--l BOJOLALI

PURWOKERTO 1044

w SOLOMoo n t JOGJAKATAi m CENTRAL JAVA LOAD 252 MW 81T

105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

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16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

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m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

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-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

By 1989 Schemes A and B will have the same transmission

facilities

The above schemes were developed on the following basis

(a) Transmission should be adequate for the transfer otiD-j

om Central Java to West Java or from West Java to Central Java up to

After 1984 the transfer capacity is increased to 100 MW in

either direction A transmission outage of one critical circuit is assumed

in the analysis Due to the very high isokeraunic level in the wet season

this is considered aminimum contingency requirement

(b) Generation will be developed in the Cilicap area with about

100 MW available in 1984

The requirement for transmission in 1977-1980 in Expansion

Scheme B is dictated by very poor voltage conditions resulting from the loss of any section of the Semarang - Tegal transmission while delivering 50 MW from Central Java to West Java over the circuitous route Samarang - DJelok -

Magelang - Purwokerto - Tegal (183 miles - 294 km)

The analysis shows that if generation is not developed in the

Cilicap area the following sequence of transmission additions wil be

required for the period after 1977

Case 2 No Generation in Cilicap area

(a) Expansion Scheme A

1984 - DT(DC) Garung - Purwokerto (This represents

an advancement from 1989 to 1984)

(b) Expansion Scheme B

1984 - Add second circuit on Garung - Purwokerto DT(SC) line

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

Im Ai- I- l

Lill SiJAVn AI-TEST-- S A-t

TJILATJ AP

A j - vI 1 1 1 I

_ __

113 JAVA

__

A-1

AI A-7A-1-l

1

I [ A-Il

W E1 JAVA -shy 9 I A t s a g stl

111L0 -- fftlal l

-~- J oI

I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

0I NOAL I 2 l177 VIAN h eay

- PEKALO goodi 0

SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

X NORMAL la100 at15

vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

1104

GARUNG ISi~ SALATI GA

UWOETBOJOLAL I10

PURWOKERTO

W SOLO N

E SOOSCENTRAL JAVA LOAD 1235 MW102

EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

TEGA rL SEMARANGshy75 304 3880 S TIMUR

co

bo DJELOK 10

MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

W m~JOGJAKARTA SOLO N

w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

DJATINGALEH-- 0-BOR

MIc66--o

TEGAL F 3 5 -TEGA -SEMARANGshyuTIMUR

1048

4shy 7-x

-1 5103

cmELN T DJEL

GAUGMAEAGSALAT IGA

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WJOGJAKARTA SOLO N

TJILATJAP CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

~BOJOLALI

PURWOKERTO

W JOGJAKARTA SOLO 0

CENTRAL JAVA LOAD 252 MW E 09e SOLO0 $deg

TJILATJAP POWER TO WEST JAVA 100 MW C JA r EXNIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

084

1920

102 SEMARANG

WEST

103

DJATINGALEH --2350

1105 SEMARANG

HARBOR

--shy8-i SE4ARANGshy

mum TIMUR

MAGELANG

m~17 m O09 BOJOLAL I

W JOGJAKARTA SOLO S

098 SOLO S CENTRAL JAVA LOAD 252 MW E

z p POWER TO WEST JAVA 100 MW C EXHIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177 - IOo

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-O 1984 LOAD LEVEL - ALT B

CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

-ISCVETI IT CAMINA M31 4I

104 105

104 SEMARANG 104 SEMARANG

PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

2AL SEMARANGshy

- TI MUR

mam

10MAGELANG

1049 BOJOLALI

PURWOKERTO

WJOGJAKARTA SOLO N

099SOLO

105TJILATJAPTIAJPCENTRAL

CENTRAL JAVA LOAD POWER TO WEST JAVA

252 MW

0

E

JAVA EXTRBJT

POWER FROM WEST JAVA 100 MW TRANSMISSION REjUIREMENTS 1077 - 6 SYSTEM OPERATION NORMAL L OAD FLOW TUT A-I

19e4 LOAD LEVEL -ALT A CHAS T MAIN INTEEATIINALIC

inol CHARLTTE LINTC T _SAwul-lc rAL-r

1345

--shye1475

4--281

bull

1034 PEKALONGAN

1211

104 SEMARANG WEST

104 DJATINGALEN

7 B 7894

74-shy 4

t05

SEMARANG HARIBOR

104

TIMUR

vs 1026

MAGELANG

105 PURWOKERTO--am

BOJOLALI

SW-L m JOGJAKARTA I

105

TJILATJAP

CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

252 MW

0 1OO MW

LINE CONTINGENCY

E

CENTRAL JAVA ElBIT

TRANSMISSION REQUIRENENTS 177 - 1

LOAD FLOW TEST A- 1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEENATIONAL 9

IIISTIM CNARLOTTE CL MASCIIU11 -INCAWSINAI 1U144 W~

1115TEBAL

i

in

n

104 SEMARANG102 WESTPEKALONGAN

- 52 4--702 806

4f1 0s33-43

J10

MAGELANG

104 0JOLALI

PURWOKERTO

t10

CENTRAL JAVA LOAD 252 MW 105

TO JAVA 100 MWTJILATJAPAT POWER WESTI J P OWERFROMWESCENTRAL

POWER FROM WEST JAVA 0 SYSTEM OPERATION NORMAL

105 SEMARANG104

HARBORDJATINGALEH

-W163104 _SEMARANG-I I TIMUR

1025 100 i DJELOK

SOLONJOGAKT

i i E T

EXNIIIT

0987

JAVA TRANSMISSION REQUIRENEnTS 1977 - IOU

LOAD FLOW TEST A-1i 1984 LOAD LEVEL - ALT A

INCmINTEMATIONALCHAS T VAIN ICARLITTE CLIEN to

NISACNK~l--MU CAIUIA =IS AM

l

to

TEGAL

541

ZXS f- -4

101SEMARANG PEKALONGAN

p 720

U 00- 75

104

WEST

104 DJATINGALEH

1

2u104

105 SEMARANG HARBOR

SEMARANG-IJ

1042GARUNG

MAGELANG MAEN SALATIGA

PURWOKERTO

JOGJAKARTAON

1JILTJA 1 05TJILATJAP

CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA SYSTEM OPERATION

252 MW 100 MW

0 LINE CONTINGENCY

E 9SL EXIT

CENTRAL JAVA

CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEMATIONAL I-shy-OSTIM CNALOTTE CLIENT JOB

-II STIL T_ARTN 231I 1 4

103 105

094 SEMARANG 1035 SEMARANG

-m-10 49 PEKALONGAN

p-1290 WEST DJATINGALEH

-U17 8

HARBOR

12s-3 1I1-5M 104

096 098

485 GARUNG 535 - MAGELANG

230 4401 4-0 L O---- 93 BOJOLAL I

093 I i PURWOKERTO

i JOGJAKARTA SOLO U

90 MSOLO $ CENTRAL JAVA LOAD 252 MW E

092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

S- - SCHAS T MAIN INTEMATIONAL INC BOSTON CHARLITTE CLIEt

S III TN allmLlINA 2U1 4 -

i 05

I 117 9 1057

-PEKALONGAN 96

105 SEMARANG WEST

1048 DJATINGALEH4

SEMARANG HARBOR

ogTEGAL 41 0105

41 1 9 12

6 t 105SEMARANGTIMUR

4c

104

8~ 1-046

mU

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i 0

106 C4 PURWOKERTO

91GI

10

4

0-

3 I6

18 -SALATIGA

BOJOLALI

10

ci iT W JOGJAKATA

106 TJILATJAP

CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

Pp(I-e-4 c k

1235 MW

0 500 Ml

NORMAL -

rtJf I

CENTRAL JAVA

TRANSMISSION REQUIREMENTS

LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

CHAS T MAIN INTENATIINAL INC ISCi BOSTON CNAILTTE CLIET

MASSACHUSETTS NRTH l 2

SOLO U

EXXEISIT

1977 - OS

_

n| i

in7 9 4 -4I16

i

105 104 SENARANG

101 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

---2--45 566 5500 35 m-772II -- 45 lo 4

TEGA 41 5~I2h~1im 4 6L SEMARANG 7 TIMUR

Yn

4 a

104

103 jj DJELOK

2

1 01 0 BOJOLAL I

PURWOKERTO 10

- JO G J A KATA

SOLO S

r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

855 - - ObC -SEM N 14

SEI4A~kNG00 WEST DJAT INGALEH

---8 shy 204

HARBOR

28 -0-0--35 9j7 1044

SEMARANG TIMUR

S --909 GARUNG

I -F336

973 SALATIGA

OJOLAL I

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- E

CENTRAL JAVA LOAD 1235 MW

M TJILATJAP POWER TO WEST JAVA 500 CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 shy tO0 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOV TEST 1-3

- - 1977 LOAD LEVEL - ALT CHAS T NAIN INTERNATIONALINC

-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

1036 SEMARANG 102 SEMARANG 104 HARBOR

PEKALONGAN WEST DJATINGALEH 7516

1044IA 164 TE4AL 1 SEMARANG

82U TIMUR

cn 1 02

7 102

I0 MAGELANG 10 10GARUNG

-4 0 4SALATIGA

10 70 B OLALI AV39

_ PURWOKERTO

--- i W 30SLO II

iE SOLO $

-

10 TJILATJAP

CENTRAL JAVA LOAD POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

252 MW 0

50 MW

NORMAL

bullC EXHIBIT

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

BOSTON CNAiLITTE CLIENT 1N MASSAHUSETTS NIAN CAOIA236N1 44 A

1025 SEMAR GSEMARANG 103 HARBORPEKALONGAN WEST DJATiNGALEH 0 C ---8865 00 10 33TEGAL

TEG L1 77 4- 200 290 -004

i____I_ SEMARANG TIMUR

0985350102 DJELOK

_-- Q MAGELANGi350 40 0MIESLTG

5 9 5 2

PURWOKERTO

-W JOGJAKATA SOLOn

CEATRAL JAVA LOAD 252 MW EXHIBIT C LE50 MWTmWP POWER TO WEST JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977- 1e3e SYSTEM OPERATION NORMAL LOA F01 EST 1 5 dJ ~1984LIA L VIL -]T

HA-S T MAIN INTE ATIONAL N ALE-8 USTON CHARLOTTE CLIENT ift

MSSAHUSETTS NORTHCARILN ZI 4

___

10 0S 05

S0 SEMARANGQSEMARANG HARBOR102PEKALONGAN WEST DJATINGALEH -- 105-3-2618 --1317 -0--1750 Vqolo-- 30 I 4-88 ~10488960

i SEMARANG

TIMUR

- 102

MAGELANG GARUNG

(i~~~~i~cx r- c

JV4OD CETA22M 14O L BOOLAL I

OSTONW L SOLO IIJOGJAKATA

- ~0 e9 68

- CENTRAL JAVA LOAD 252 M4W EXII TJILATJAP POWER TO WEST JAVA 50 MW ETAJVA

- IPOWER FROM WEST JAVA 0 TRANSMIS31ON REQUIREMENTS 1077 lg-

SYSTEM OPERATION LINE CONTINGENCY LA LVTS shy1984 LOAD LEVEL - ALT D -- C~~HAST MAIN INT|IMATINAL INCI I d shy

_ - ASSACHUSETTS CIN NA MII A8

105

1035 SEMARANG SEMARANG 104 HARBOR

N WEST DJATINGALEH 4-49 9

33244- 191 47 104 I SEMARANGLJ

TiMURro

0994f DJELOK

095

1194 SALATIGA

29 32 0 -f BOJOLAL I

am WJOGJAKATA SOLO I

094 m -SOLO $ T TJ kP m EElIl

CENTRAL JAVA LOAD 252 MW EXIBT

TTJ1L~AIP POWER TO WEST JAVA 50 MW CENTRAL JAVA POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - In

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

ASSACHUSETTS NOTHN I 2111

37

UR

0976 PEKALONGAN

01 0TIMUR

deg0

878

cl

if7PuRW RO

4901

GARUNG

I

TJILATJAP CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

103 SEMARANG SEMARANG 104 HARBOR WEST DJATINGALEH ul

a 2 0

k1 104

SE ARANG

Ideg -T

SLTG

DJEOLOOK

W

E

252 MW

50 MW CENTRAL JAVA

0 TRANSMISSION REQUIREMENTS

LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

CHAS T MAIN INTERNATIONAL INC s

BOSTON CNARLOTTE CLIENT MASSACHUSEITS NORTN CA 261i

OL S9

SOLOa

1977 - 190

1 shy4

(-)

i05 104 SEMARANG

103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

7 -4-

I-ui 132 1 161 104

SEMARANG TIMUR

4 l DJELOK

104 GARU 16 -4ll O

MAGELANG iSALAT IGA

i 5 it11 3 4m 13--0 BOJOLAL I

PURWOKERTO 102

-W $ SOLO P

099 IiSOLO S amE

1015 CENTRAL JAVA LOAD 252 MW EHIBIT TJILATJAP POWER TO WEST JAVA 0 CENTRALiJAVA

POWER FROM WEST JAVA 100 TRANSMISSION REQUIREMENTS 1977 - 1SB

SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

Cshy 105 1037 SEMARANG

102 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

- 165 -- 575 1614 -4--3 4 - 234 1044 TEAL TIMURa~im SEMARANG

cca

ODJELOK1410

I 04MAGELANG

CENTSALATIGA420-0shy

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i- -L0 965 iSOLO S Him E

0n CENTRAL JAVA LOAD 252 MW EXHIBIT iNEW TJILATJAP POWER TO WEST JAVA 0 CNRLJV -

- - POWER FROM WEST JAVA 100 MW TRANSMISSION REQUIREMNTS 1977 -1989l

-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

C AS T MAIN INTERNAT I ONAL IC _ _ -

L IOSTON NAILITTE CLIENT Eg -AACUSTTS ANA INITN t21 64

r7

( o0i PEKUOG N

I - l-

I-P- 15 2 -0-1236 420

101 SEMARANG 1026 WEST DJATINGALEH

--1410 N -of- 122 I

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105

SEMARANG HARBOR

1104 TIMUR

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626

TRANSISSION RE9UIEENEN TS

CUALTIGAIUTI

117 -

| SN i

AOL

u vL-- r4 J 194 LOAD LEVEL - iLTIr _L - euroI ip I~wi |CHAt T MAIN INTEBUTIUAL IUC __-

1025 105 1025 SEMARANG

098 SEMARANG 103 HARBOR PEKALONGAN WEST DJATINGALEH

114

0-i-SEMARANG

213 -- 30 I-06-404 1041

-shy TIMUR

SALATIGA

i~0 i I o57 SY TE2 I L--6 NCL I F TBOJOLALI

3Q POWER FROM WEST JAVA 0 RNMISO RQI REET 0shy

1 LOAD LEEL -T WoT MAINToAT

-

- TJIIATJAP POWER TO WEST JAVA

POWER FROM WEST JAVA 1O

0 n

CENTRAL JAVATRANSHIS31ON RE91IIIE4NTS 177 -lion

_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

- ALTD1 lC

TI U CNLT11- X 111111

-SC TS WITO CAM

105

104 SEMARANG SEMARANG 104 HARBOR1037

PEKALONGAN WEST DJATINGALEH shy

--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

4103 I OJELOK

GARUNG SALATIGA

722--4shy 17 5--l BOJOLALI

PURWOKERTO 1044

w SOLOMoo n t JOGJAKATAi m CENTRAL JAVA LOAD 252 MW 81T

105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

50 ECONOMIC ANALYSES

Exhibits 3 aid 4 show investment costs for base cases I and 2

outlined in Section 4 The second circuit Semarang - Tlmur to Tegal is assumed required in 1980 The present worth of investments for both

cases computed at discount rates of 12 and 15 - the range of opportunity

cost of capital in Indonesia - is shown below

$ x 103

Present Worth Discount Rate of 12 15

Case 1 (Generation at Cilicap) Scheme A 11882 11656

B 12070 11834

Difference infavor of A 188 178

Case 2 (No generation at Cilicap)

Scheme A 12510 12270 B 12231 12000

Difference in favor of B (281) (270)

Advancement of the requirement for the second circuit Semarang Timur - Tegal to 1977 would increase the cost of Scheme B as shown below

$ x103

Present Worth Discount Rata of

12 15 Case 1 (a)

Scheme A 11882 11656 B 12710 12589

Difference in favor of A 828 933

A comparison was also made of the economics of base Case 1 assuming transmission costs based on procurement of tower steel from India

The following applies shy

3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

Im Ai- I- l

Lill SiJAVn AI-TEST-- S A-t

TJILATJ AP

A j - vI 1 1 1 I

_ __

113 JAVA

__

A-1

AI A-7A-1-l

1

I [ A-Il

W E1 JAVA -shy 9 I A t s a g stl

111L0 -- fftlal l

-~- J oI

I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

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3$ x0

Present Worth Discount Rate of

12 15 Case 1 (b)

Scheme A 9498 9322 B 9830 91595

Difference infavor of A 332 273

IfScheme B is developed using ST transmission the resultant investments are shown inExhibit 5 and the present worth of costs are shown

below

$ x 103

Present Worth Discount Rate of

12 15

Case 3

Scheme A 11882 11656 B 12575 12060

The above analysis shows that provided generation isinstalled in the Cilicap area by 1984 Scheme A is less expensive than Scheme B The

economic advantage of Scheme A over B is not significant if the second circuit Semarang Timur - Tegal is delayed to 1980 in Scheme B However it would not be prudent to operate with one circuit from Semarang Timur - Tegal for

eoowhinr sons

(a) Voltage conditions during the emergency loss of any one line section Semarang - Tegal will be very poor resulting in possible loss of load

(b) Stability of the interconnected West Java Central Java system will not be retained for faults on the single circuit Samarang - Tegal transmission while transferring 50 MW from Central Java to West Java

The above reasons dic -two eee__ marag and Tegal This early requirement for the second circuit

enhances the relative economy of Scheme A (See Case 1 (a)

The analysis also shows that the use of DT(SC) instead of ST In

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

Im Ai- I- l

Lill SiJAVn AI-TEST-- S A-t

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A j - vI 1 1 1 I

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113 JAVA

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1

I [ A-Il

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111L0 -- fftlal l

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113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

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SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

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vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

1104

GARUNG ISi~ SALATI GA

UWOETBOJOLAL I10

PURWOKERTO

W SOLO N

E SOOSCENTRAL JAVA LOAD 1235 MW102

EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

TEGA rL SEMARANGshy75 304 3880 S TIMUR

co

bo DJELOK 10

MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

W m~JOGJAKARTA SOLO N

w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

DJATINGALEH-- 0-BOR

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1048

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POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

~BOJOLALI

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CENTRAL JAVA LOAD 252 MW E 09e SOLO0 $deg

TJILATJAP POWER TO WEST JAVA 100 MW C JA r EXNIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

084

1920

102 SEMARANG

WEST

103

DJATINGALEH --2350

1105 SEMARANG

HARBOR

--shy8-i SE4ARANGshy

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177 - IOo

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-O 1984 LOAD LEVEL - ALT B

CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

-ISCVETI IT CAMINA M31 4I

104 105

104 SEMARANG 104 SEMARANG

PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

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mam

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19e4 LOAD LEVEL -ALT A CHAS T MAIN INTEEATIINALIC

inol CHARLTTE LINTC T _SAwul-lc rAL-r

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4--281

bull

1034 PEKALONGAN

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E

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TRANSMISSION REQUIRENENTS 177 - 1

LOAD FLOW TEST A- 1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEENATIONAL 9

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TO JAVA 100 MWTJILATJAPAT POWER WESTI J P OWERFROMWESCENTRAL

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JAVA TRANSMISSION REQUIRENEnTS 1977 - IOU

LOAD FLOW TEST A-1i 1984 LOAD LEVEL - ALT A

INCmINTEMATIONALCHAS T VAIN ICARLITTE CLIEN to

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l

to

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CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA SYSTEM OPERATION

252 MW 100 MW

0 LINE CONTINGENCY

E 9SL EXIT

CENTRAL JAVA

CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEMATIONAL I-shy-OSTIM CNALOTTE CLIENT JOB

-II STIL T_ARTN 231I 1 4

103 105

094 SEMARANG 1035 SEMARANG

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092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

S- - SCHAS T MAIN INTEMATIONAL INC BOSTON CHARLITTE CLIEt

S III TN allmLlINA 2U1 4 -

i 05

I 117 9 1057

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0 500 Ml

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rtJf I

CENTRAL JAVA

TRANSMISSION REQUIREMENTS

LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

CHAS T MAIN INTENATIINAL INC ISCi BOSTON CNAILTTE CLIET

MASSACHUSETTS NRTH l 2

SOLO U

EXXEISIT

1977 - OS

_

n| i

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i

105 104 SENARANG

101 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

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r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

855 - - ObC -SEM N 14

SEI4A~kNG00 WEST DJAT INGALEH

---8 shy 204

HARBOR

28 -0-0--35 9j7 1044

SEMARANG TIMUR

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 shy tO0 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOV TEST 1-3

- - 1977 LOAD LEVEL - ALT CHAS T NAIN INTERNATIONALINC

-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

1036 SEMARANG 102 SEMARANG 104 HARBOR

PEKALONGAN WEST DJATINGALEH 7516

1044IA 164 TE4AL 1 SEMARANG

82U TIMUR

cn 1 02

7 102

I0 MAGELANG 10 10GARUNG

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CENTRAL JAVA LOAD POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

252 MW 0

50 MW

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bullC EXHIBIT

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

BOSTON CNAiLITTE CLIENT 1N MASSAHUSETTS NIAN CAOIA236N1 44 A

1025 SEMAR GSEMARANG 103 HARBORPEKALONGAN WEST DJATiNGALEH 0 C ---8865 00 10 33TEGAL

TEG L1 77 4- 200 290 -004

i____I_ SEMARANG TIMUR

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HA-S T MAIN INTE ATIONAL N ALE-8 USTON CHARLOTTE CLIENT ift

MSSAHUSETTS NORTHCARILN ZI 4

___

10 0S 05

S0 SEMARANGQSEMARANG HARBOR102PEKALONGAN WEST DJATINGALEH -- 105-3-2618 --1317 -0--1750 Vqolo-- 30 I 4-88 ~10488960

i SEMARANG

TIMUR

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- IPOWER FROM WEST JAVA 0 TRANSMIS31ON REQUIREMENTS 1077 lg-

SYSTEM OPERATION LINE CONTINGENCY LA LVTS shy1984 LOAD LEVEL - ALT D -- C~~HAST MAIN INT|IMATINAL INCI I d shy

_ - ASSACHUSETTS CIN NA MII A8

105

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33244- 191 47 104 I SEMARANGLJ

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29 32 0 -f BOJOLAL I

am WJOGJAKATA SOLO I

094 m -SOLO $ T TJ kP m EElIl

CENTRAL JAVA LOAD 252 MW EXIBT

TTJ1L~AIP POWER TO WEST JAVA 50 MW CENTRAL JAVA POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - In

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

ASSACHUSETTS NOTHN I 2111

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UR

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LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

CHAS T MAIN INTERNATIONAL INC s

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1977 - 190

1 shy4

(-)

i05 104 SEMARANG

103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

7 -4-

I-ui 132 1 161 104

SEMARANG TIMUR

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SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

Cshy 105 1037 SEMARANG

102 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

- 165 -- 575 1614 -4--3 4 - 234 1044 TEAL TIMURa~im SEMARANG

cca

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-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

C AS T MAIN INTERNAT I ONAL IC _ _ -

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_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

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105

104 SEMARANG SEMARANG 104 HARBOR1037

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--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

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105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

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S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

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(N 105

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WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

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GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

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17-13701110 -1894 9 6 1 0 1

i

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m

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1 0 4 SEMARANGshy

m T DJELOK

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TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

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+105 + Dm

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POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

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W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

Scheme B results in the least present worth of costs (Compare Case 3 with

Case 1)

Although Case 2 shows an economic advantage for Scheme B it is considered very unlikely that generation will not be developed in the

Cilicap area by 1984 The proximity to a readily available source of fuel shythe Pertamina refinery - and the ideal harbor and siteing conditions in the Cilicap area strongly favor the development of steam generation in that area

60 RECOMMENDATIONS

Considering the economic evaluation outlined in Section 5 and the system requirement for a strong interconnection between the West Java and Central Java systems it is recommended that two circuits be provided from

-Zeai- Samarang in 1977 The adoption of DT(DC) towers results in o

The extension of DT(DC) transmission to Cilicap also represents the least cost solution and is therefore recommended for implementation in 1977

Garung hydro should be incorporated over DT(DC) radial transmission to Magelang

Loads along the Magelang - Garung - Purwokerto route can be supplied at 20 kV over distribution lines from 15020 kV substations at Garung and Purwokerto By 1984 the Garung - Purwokerto link will be closed and new 15020 kV subshystations could be developed to supply increased loads in the area

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

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A j - vI 1 1 1 I

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113 JAVA

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AI A-7A-1-l

1

I [ A-Il

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111L0 -- fftlal l

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I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

0I NOAL I 2 l177 VIAN h eay

- PEKALO goodi 0

SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

X NORMAL la100 at15

vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

1104

GARUNG ISi~ SALATI GA

UWOETBOJOLAL I10

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W SOLO N

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EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

TEGA rL SEMARANGshy75 304 3880 S TIMUR

co

bo DJELOK 10

MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

W m~JOGJAKARTA SOLO N

w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

DJATINGALEH-- 0-BOR

MIc66--o

TEGAL F 3 5 -TEGA -SEMARANGshyuTIMUR

1048

4shy 7-x

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cmELN T DJEL

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POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

~BOJOLALI

PURWOKERTO

W JOGJAKARTA SOLO 0

CENTRAL JAVA LOAD 252 MW E 09e SOLO0 $deg

TJILATJAP POWER TO WEST JAVA 100 MW C JA r EXNIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

084

1920

102 SEMARANG

WEST

103

DJATINGALEH --2350

1105 SEMARANG

HARBOR

--shy8-i SE4ARANGshy

mum TIMUR

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m~17 m O09 BOJOLAL I

W JOGJAKARTA SOLO S

098 SOLO S CENTRAL JAVA LOAD 252 MW E

z p POWER TO WEST JAVA 100 MW C EXHIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177 - IOo

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-O 1984 LOAD LEVEL - ALT B

CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

-ISCVETI IT CAMINA M31 4I

104 105

104 SEMARANG 104 SEMARANG

PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

2AL SEMARANGshy

- TI MUR

mam

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1049 BOJOLALI

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099SOLO

105TJILATJAPTIAJPCENTRAL

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0

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POWER FROM WEST JAVA 100 MW TRANSMISSION REjUIREMENTS 1077 - 6 SYSTEM OPERATION NORMAL L OAD FLOW TUT A-I

19e4 LOAD LEVEL -ALT A CHAS T MAIN INTEEATIINALIC

inol CHARLTTE LINTC T _SAwul-lc rAL-r

1345

--shye1475

4--281

bull

1034 PEKALONGAN

1211

104 SEMARANG WEST

104 DJATINGALEN

7 B 7894

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t05

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vs 1026

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0 1OO MW

LINE CONTINGENCY

E

CENTRAL JAVA ElBIT

TRANSMISSION REQUIRENENTS 177 - 1

LOAD FLOW TEST A- 1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEENATIONAL 9

IIISTIM CNARLOTTE CL MASCIIU11 -INCAWSINAI 1U144 W~

1115TEBAL

i

in

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- 52 4--702 806

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t10

CENTRAL JAVA LOAD 252 MW 105

TO JAVA 100 MWTJILATJAPAT POWER WESTI J P OWERFROMWESCENTRAL

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105 SEMARANG104

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-W163104 _SEMARANG-I I TIMUR

1025 100 i DJELOK

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i i E T

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JAVA TRANSMISSION REQUIRENEnTS 1977 - IOU

LOAD FLOW TEST A-1i 1984 LOAD LEVEL - ALT A

INCmINTEMATIONALCHAS T VAIN ICARLITTE CLIEN to

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1984 LOAD LEVEL - ALT I

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103 105

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092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

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i 05

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r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

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CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

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TEG L1 77 4- 200 290 -004

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SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

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SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

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-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

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1025 105 1025 SEMARANG

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114

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105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

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EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

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r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

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0909 SOLO $i

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

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0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

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TIMUR

m

m

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1 0 4 SEMARANGshy

m T DJELOK

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W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

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-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

Economic Analysis

of Alternate Schemes

Case 1 Investment $ x 103

Scheme A Scheme B

- 1977 Transmission -146 mi $55000 $ 8050 -146 mi $42500 $ 6220 - 48 ml $42500 2040

Substations - 20 fdr position 3000 - 12 fdr position $11_ 0_ 0 1 00

$11050 $10060

-1980 Transmission

- 915 mi $11 000 1005

Substations -8 fdr positions 1 200$ 2205

-1989 Transmission

- 48 mi $55000 2640 - 48 m $11 000 528 - 548 mi $1Il000 604

Substations -4 fdr position 600 -4 fdr position 600

$ 3240 $ 1732

Exhibit 3

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

Im Ai- I- l

Lill SiJAVn AI-TEST-- S A-t

TJILATJ AP

A j - vI 1 1 1 I

_ __

113 JAVA

__

A-1

AI A-7A-1-l

1

I [ A-Il

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111L0 -- fftlal l

-~- J oI

I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

0I NOAL I 2 l177 VIAN h eay

- PEKALO goodi 0

SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

X NORMAL la100 at15

vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

1084

SOLOU2

i CENTRAL JAVA LOAD 1235 MWEI i

0 bullSOLOLS PURWOERTO 8 1

i TJILATJAP POWER TO WEST JAVA 0OETALJV POWER FROM WEST JAVA 500 M TRANSMISSION REQUIREMENTS 1177- a13W-

pSYSTEM OPERATION NO4AL LOAD FL~rlTESTTA

CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

1_0_ 1 0 9UN 1Sf C~aULITTL GIBE Ushy

30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

104 o 5DJELOK

103103 GARUNG L SALATMIGGA

BOJOLAL I

103 PURWOKERTO

W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

MSp VTL--U lU 41PANA

104 105

101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

i6~3-1 34 36 105

TEGAL i I m-TIMUR SEMARANGshy

1104

GARUNG ISi~ SALATI GA

UWOETBOJOLAL I10

PURWOKERTO

W SOLO N

E SOOSCENTRAL JAVA LOAD 1235 MW102

EXHIBITTJILATJAP POWER TO WEST JAVA 500 MW P F E VCENTRAL JAVAPOWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS J77 lse SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEIT A-

Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

-U TTU N11 IlA 04L- CU M 1

105 103

SEMARANG 1036 SEMARAG

WEST DJATINGALEN HARBORPEKALONGAN 1020 4-125 7 -s-142 4 _ 0

TEGA rL SEMARANGshy75 304 3880 S TIMUR

co

bo DJELOK 10

MAGELANG GARUNG MA- A SALAT IGA

p BOJOLAL

W m~JOGJAKARTA SOLO N

w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

DJATINGALEH-- 0-BOR

MIc66--o

TEGAL F 3 5 -TEGA -SEMARANGshyuTIMUR

1048

4shy 7-x

-1 5103

cmELN T DJEL

GAUGMAEAGSALAT IGA

1055 I b -shy 0_ BOJOLAL I

PURWOKERTO

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TJILATJAP CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

~BOJOLALI

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CENTRAL JAVA LOAD 252 MW E 09e SOLO0 $deg

TJILATJAP POWER TO WEST JAVA 100 MW C JA r EXNIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

084

1920

102 SEMARANG

WEST

103

DJATINGALEH --2350

1105 SEMARANG

HARBOR

--shy8-i SE4ARANGshy

mum TIMUR

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m~17 m O09 BOJOLAL I

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z p POWER TO WEST JAVA 100 MW C EXHIBIT

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CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

-ISCVETI IT CAMINA M31 4I

104 105

104 SEMARANG 104 SEMARANG

PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

2AL SEMARANGshy

- TI MUR

mam

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1049 BOJOLALI

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099SOLO

105TJILATJAPTIAJPCENTRAL

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252 MW

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POWER FROM WEST JAVA 100 MW TRANSMISSION REjUIREMENTS 1077 - 6 SYSTEM OPERATION NORMAL L OAD FLOW TUT A-I

19e4 LOAD LEVEL -ALT A CHAS T MAIN INTEEATIINALIC

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t05

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TRANSMISSION REQUIRENENTS 177 - 1

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in

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TO JAVA 100 MWTJILATJAPAT POWER WESTI J P OWERFROMWESCENTRAL

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EXNIIIT

0987

JAVA TRANSMISSION REQUIRENEnTS 1977 - IOU

LOAD FLOW TEST A-1i 1984 LOAD LEVEL - ALT A

INCmINTEMATIONALCHAS T VAIN ICARLITTE CLIEN to

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l

to

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252 MW 100 MW

0 LINE CONTINGENCY

E 9SL EXIT

CENTRAL JAVA

CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEMATIONAL I-shy-OSTIM CNALOTTE CLIENT JOB

-II STIL T_ARTN 231I 1 4

103 105

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-m-10 49 PEKALONGAN

p-1290 WEST DJATINGALEH

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096 098

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90 MSOLO $ CENTRAL JAVA LOAD 252 MW E

092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

S- - SCHAS T MAIN INTEMATIONAL INC BOSTON CHARLITTE CLIEt

S III TN allmLlINA 2U1 4 -

i 05

I 117 9 1057

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1048 DJATINGALEH4

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41 1 9 12

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104

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ci iT W JOGJAKATA

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CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

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Pp(I-e-4 c k

1235 MW

0 500 Ml

NORMAL -

rtJf I

CENTRAL JAVA

TRANSMISSION REQUIREMENTS

LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

CHAS T MAIN INTENATIINAL INC ISCi BOSTON CNAILTTE CLIET

MASSACHUSETTS NRTH l 2

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EXXEISIT

1977 - OS

_

n| i

in7 9 4 -4I16

i

105 104 SENARANG

101 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

---2--45 566 5500 35 m-772II -- 45 lo 4

TEGA 41 5~I2h~1im 4 6L SEMARANG 7 TIMUR

Yn

4 a

104

103 jj DJELOK

2

1 01 0 BOJOLAL I

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r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

855 - - ObC -SEM N 14

SEI4A~kNG00 WEST DJAT INGALEH

---8 shy 204

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28 -0-0--35 9j7 1044

SEMARANG TIMUR

S --909 GARUNG

I -F336

973 SALATIGA

OJOLAL I

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- E

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M TJILATJAP POWER TO WEST JAVA 500 CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 shy tO0 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOV TEST 1-3

- - 1977 LOAD LEVEL - ALT CHAS T NAIN INTERNATIONALINC

-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

1036 SEMARANG 102 SEMARANG 104 HARBOR

PEKALONGAN WEST DJATINGALEH 7516

1044IA 164 TE4AL 1 SEMARANG

82U TIMUR

cn 1 02

7 102

I0 MAGELANG 10 10GARUNG

-4 0 4SALATIGA

10 70 B OLALI AV39

_ PURWOKERTO

--- i W 30SLO II

iE SOLO $

-

10 TJILATJAP

CENTRAL JAVA LOAD POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

252 MW 0

50 MW

NORMAL

bullC EXHIBIT

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

BOSTON CNAiLITTE CLIENT 1N MASSAHUSETTS NIAN CAOIA236N1 44 A

1025 SEMAR GSEMARANG 103 HARBORPEKALONGAN WEST DJATiNGALEH 0 C ---8865 00 10 33TEGAL

TEG L1 77 4- 200 290 -004

i____I_ SEMARANG TIMUR

0985350102 DJELOK

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5 9 5 2

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HA-S T MAIN INTE ATIONAL N ALE-8 USTON CHARLOTTE CLIENT ift

MSSAHUSETTS NORTHCARILN ZI 4

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10 0S 05

S0 SEMARANGQSEMARANG HARBOR102PEKALONGAN WEST DJATINGALEH -- 105-3-2618 --1317 -0--1750 Vqolo-- 30 I 4-88 ~10488960

i SEMARANG

TIMUR

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MAGELANG GARUNG

(i~~~~i~cx r- c

JV4OD CETA22M 14O L BOOLAL I

OSTONW L SOLO IIJOGJAKATA

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- IPOWER FROM WEST JAVA 0 TRANSMIS31ON REQUIREMENTS 1077 lg-

SYSTEM OPERATION LINE CONTINGENCY LA LVTS shy1984 LOAD LEVEL - ALT D -- C~~HAST MAIN INT|IMATINAL INCI I d shy

_ - ASSACHUSETTS CIN NA MII A8

105

1035 SEMARANG SEMARANG 104 HARBOR

N WEST DJATINGALEH 4-49 9

33244- 191 47 104 I SEMARANGLJ

TiMURro

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095

1194 SALATIGA

29 32 0 -f BOJOLAL I

am WJOGJAKATA SOLO I

094 m -SOLO $ T TJ kP m EElIl

CENTRAL JAVA LOAD 252 MW EXIBT

TTJ1L~AIP POWER TO WEST JAVA 50 MW CENTRAL JAVA POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - In

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

ASSACHUSETTS NOTHN I 2111

37

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cl

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103 SEMARANG SEMARANG 104 HARBOR WEST DJATINGALEH ul

a 2 0

k1 104

SE ARANG

Ideg -T

SLTG

DJEOLOOK

W

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252 MW

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0 TRANSMISSION REQUIREMENTS

LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

CHAS T MAIN INTERNATIONAL INC s

BOSTON CNARLOTTE CLIENT MASSACHUSEITS NORTN CA 261i

OL S9

SOLOa

1977 - 190

1 shy4

(-)

i05 104 SEMARANG

103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

7 -4-

I-ui 132 1 161 104

SEMARANG TIMUR

4 l DJELOK

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099 IiSOLO S amE

1015 CENTRAL JAVA LOAD 252 MW EHIBIT TJILATJAP POWER TO WEST JAVA 0 CENTRALiJAVA

POWER FROM WEST JAVA 100 TRANSMISSION REQUIREMENTS 1977 - 1SB

SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

Cshy 105 1037 SEMARANG

102 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

- 165 -- 575 1614 -4--3 4 - 234 1044 TEAL TIMURa~im SEMARANG

cca

ODJELOK1410

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-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

C AS T MAIN INTERNAT I ONAL IC _ _ -

L IOSTON NAILITTE CLIENT Eg -AACUSTTS ANA INITN t21 64

r7

( o0i PEKUOG N

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TRANSISSION RE9UIEENEN TS

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u vL-- r4 J 194 LOAD LEVEL - iLTIr _L - euroI ip I~wi |CHAt T MAIN INTEBUTIUAL IUC __-

1025 105 1025 SEMARANG

098 SEMARANG 103 HARBOR PEKALONGAN WEST DJATINGALEH

114

0-i-SEMARANG

213 -- 30 I-06-404 1041

-shy TIMUR

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i~0 i I o57 SY TE2 I L--6 NCL I F TBOJOLALI

3Q POWER FROM WEST JAVA 0 RNMISO RQI REET 0shy

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CENTRAL JAVATRANSHIS31ON RE91IIIE4NTS 177 -lion

_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

- ALTD1 lC

TI U CNLT11- X 111111

-SC TS WITO CAM

105

104 SEMARANG SEMARANG 104 HARBOR1037

PEKALONGAN WEST DJATINGALEH shy

--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

4103 I OJELOK

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722--4shy 17 5--l BOJOLALI

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w SOLOMoo n t JOGJAKATAi m CENTRAL JAVA LOAD 252 MW 81T

105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

Economic Analysis

of Alternate Schemes

Case 2

Investment $ x 103

Scheme A Scheme B

-1977 (Same as Case 1) $11050 $10060

-1980 (Same as Case 1) - 2205

-1984 Transmission

-48 -48

mi $55000 mi $11000

2640 528

Substations - 4 fdr position 600 - 2 fdr position 300

-1989 Transmission

-548 mi $11000 604

Substations 2 fdr position 300

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

SPLEKALNGAN PEKLONA SEMARANG DAGLHHARBOR -WEST DJATNGALEH

TEALT rem

M I SEMARANG

T TIMUR

~c1

o-GARUNG 343 NiSALATI GA

I IPURWOKERTO

II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

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CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

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m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

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W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

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105 103 SEMARANG

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__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

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SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

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-+--+ + +

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LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

-1977

ECONOMIC ANALYSIS of Alternate Schemes

Case 3 Investment $ x 10 3

Scheme A Scheme B

- Transmission -146 mi $55000 8050-146 mi $34200 5000 - 48 mi $34200 1640

-Substations - 20 fdr position 3000 - 12 fdr position 1800

11050 8440 -1980

-Transmission -915 mi $34200 3130

-Substations 8 fdr position 1200

-1989 4330

-Transmission -48 mi $55000 2640-48 mi $34200 1640-548 mi $34200 1870

-Substations - 4 fdr position 600 - 4 fdr position 600

3240 4110

SEOURANG SEMARANG SHARBOR

PEKALONGAN WEST DJATINGALEHshy362 Mi 469 Mi deg 6 Mi 38 Mi z

TEII SEMARANG-

T TIUR

11I bull [ DJELOKl

U33 3ELA G SALATIGA-II 3l3M 251 Mi

BJOLALIP ft

4 PURWOKERTO

NOTE l lAconductors considered W JOGJAKARTA SOLO

iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

- O

SIRA SEMARANG

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TEALT rem

M I SEMARANG

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II NOTE

All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

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113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

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I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

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12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

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5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

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19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

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vahry - PRWOKERTO I h0 71

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ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

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T MAIN INTElATIUALIC Ai|

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30

---

105105105i SEMARANG

104 SEMARANG 105AR HARBORWEST DJATINGALEH 0shy111--104073 7 PEKALONGAN -834

9 9 10513 123 145 - - SEMARANG-TEBAL TII4UR

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LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

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101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

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TEGAL i I m-TIMUR SEMARANGshy

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Onedeg- -Ji ekoys- fA j w 1977 LOAD LEVEL - ALT A

4 AAVfSk CHAS T MAIN INTENATIGUUAL INCf

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SEMARANG 1036 SEMARAG

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

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CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

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-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

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POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

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105

105103

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PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

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CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

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103 105

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SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

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LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

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POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

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- - 1977 LOAD LEVEL - ALT CHAS T NAIN INTERNATIONALINC

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1036 SEMARANG 102 SEMARANG 104 HARBOR

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LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

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SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

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CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

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IA HTS NIN 2 4

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LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

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iI 477 NCM-AC3R

SOLO SELEGEND

o150kV proposed by CT MAIN _ _ _ _ _ _ _IIT__TJILATJAP liA underUS AID loan agreement CENTRAL JAVA

am-- 150 kV recommended by CT MAIN TRANSISSION RE UIRENETS 1 shy

for service reliability 150 kV TlANiiSiSUll lST EN _ _ _ _ _ _ _A L T E R N A T E SCNEIE_A

150 kV planned by Federal Republic TLTERATE SCNEI Ali TVAL OPof Gearany CaAS T Muin INTEliAT I =A I UE INO

OWAWVA1TLE COPY of eanyI s

IAUU5ITT nUTNAS WTI =131A4

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All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

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COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

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V

TRAMSNISSINN LINES NORMAL ALL LINES

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I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

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12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

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Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

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9 KALO GAN - T GAL I I h 0 02

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19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

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Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

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---

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101 SEMARANG 1 045 SEMARANG PEKALONGAN WEST DJATINGALEH - m HARBOR

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1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

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103 105

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All conductors considered 477 ECM-ACSR JO JAKARTA

II E OOSLEGEND - 28 i I t

TJILATJAP 150 kV considered as alternate EXIIT scheme by CT MAIN CETRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 16

150 kiV RANSEISfiS ffiffi 150 kV planned by Federal Republic ALTERNATE SCHEME I of Germany HAS T lAIN INTEIATIINAL INIC S CAEI

UTE1 C40RLITTE 44Ein --SSAMUUUTTS MWlTI CANLINAI 21 48

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

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LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

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Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

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Exhibit C

105

105

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i

Load Flow Analyses

Load flow studies were conducted to determine the capabilities of the two alternate transmission system developments outlined in Section 2 The study extended over a 12 year period 1977 - 1989 Summaries of the load flow cases run in the study are shown in Exhibits A B and C Flow and voltage conditions for each case represented in Exhibit A are also attached

Key load flows which influence the development of the alternate transmission schemes described in Section 2 of the report are described below

Alternate A

Test A - 8 1984 load level and 100 MW delivery to West Java no generation at Cilicap and contingency loss of one Pekalongan-Semarang circuit Voltages in the Ketenger system are unacceptably low

Test A - 13 Same as A shy 8 but with one circuit Garung-Purwokerto in-service Voltages and flows throughout the system are adequate

Test A - 12 Same ris A shy 8 but with generation in Cilicap Contingency loss of one Purwokerto - Tegal circuit Voltages and flows throughout the system are adequate

The above tests show that without generation in the Cilicap area a second transmission connection between the Tuntang and Ketenger systems is required on or before 1984

Alternate B

Test B-3 1977 loads and 50 MW delivery to West Java Contingency loss of Pekalongan - Semarang West transmission Voltages in the Central Java system are inadequate Stability of the Interconnected system is marginal due to large angles between Samarang and Jakarta generation

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

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Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

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Exhibit C

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W m~JOGJAKARTA SOLO N

w l CENTRAL JAVA LOAD 252 MW E 0

CE TR L AVTJILATJAP POWER TO WEST JAVA 50 MWTIAJPCENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19S LOAD FLOW TELTSYSTEM OPERATION LINE CONTINGENCY 1984 LOAD LEVEL - ALTi4M- 01DIwk e ek r 7 _ofp

S- jCHAS T MAIN INTERNATIONALo INC

UOSTON CNARLOTTE CLIT -----_ _ __ _ ___TTTN CAROLINA M0

AA

i 404

499- 105

PEKALONGAN 331i- -

1045 SEMARANG WEST

SEMARANG 1045 EMAR

DJATINGALEH-- 0-BOR

MIc66--o

TEGAL F 3 5 -TEGA -SEMARANGshyuTIMUR

1048

4shy 7-x

-1 5103

cmELN T DJEL

GAUGMAEAGSALAT IGA

1055 I b -shy 0_ BOJOLAL I

PURWOKERTO

WJOGJAKARTA SOLO N

TJILATJAP CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

252 W 0

100 M

NORMAL

7JOGJAKARTA099 SOLO $

E T E2II IT

CENTRAL JAVA TRANSMISSION REQUIRENENTS 1977 - 1

LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

CHAS T MAIN INTEMTIOALNC BSTMN CeuroARLITTE 1CLIIn JUN --- U

-ASSACNUSETI- _JIUTN iANILIA M2NI 44 -

104 105 SEMARAN

1055 SEMARANG 104 SEMARANG

WEST DJATINGALEH _ HARBORPEKALONGAN

TEGAL

165 189 1095

NONNILT I GAR

MAGELANG

10UNG

11055

PURWOKERTO SOLO N

WW-JOGJAKARTA

m SOLO S L E099

CENTRAL JAVA LOAD 252 MW E

POWER TO WEST JAVA 0 EMWIITTJILATJAP POETOWSJAA0_______________ POWERAFOWECENTRAL JAVA

____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

INTEMATIONAL INC OW 12STm CHALITE IN

CHAS T MAIN 01L CLINT

IMANSEL- INT3l CAKIMAI M31 0T

105

105103

1034 SEMARANGSEMARANG091 HARBORWEST DJATINGALEHPE

-- 1547 -a-1782 -1953 4-2201

8344-3 48 4 4 4 -0-5171-il 102

T TIMUR

102

10DJELOK

GARUNG MAGELAHG SAATG

~BOJOLALI

PURWOKERTO

W JOGJAKARTA SOLO 0

CENTRAL JAVA LOAD 252 MW E 09e SOLO0 $deg

TJILATJAP POWER TO WEST JAVA 100 MW C JA r EXNIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177JAVA

SYSTEM OPERATION NORMAL LOAD FLOW TEST A-7

7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

- S BOSTONM~rTTZ- CNARLITTE CLIENTre L JU -

NS ANU TIL- KIM CARILINA =I1 49

i

- 1580 PE

084

1920

102 SEMARANG

WEST

103

DJATINGALEH --2350

1105 SEMARANG

HARBOR

--shy8-i SE4ARANGshy

mum TIMUR

MAGELANG

m~17 m O09 BOJOLAL I

W JOGJAKARTA SOLO S

098 SOLO S CENTRAL JAVA LOAD 252 MW E

z p POWER TO WEST JAVA 100 MW C EXHIBIT

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 177 - IOo

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-O 1984 LOAD LEVEL - ALT B

CHAS T MAIN INIZMATINAL INKC S E BOSTON CNALOTTE CLIIT -

-ISCVETI IT CAMINA M31 4I

104 105

104 SEMARANG 104 SEMARANG

PEKALONGAN WEST DJATINGALEH -= HARBOR - - 1476- 1276 1070 --1026

2AL SEMARANGshy

- TI MUR

mam

10MAGELANG

1049 BOJOLALI

PURWOKERTO

WJOGJAKARTA SOLO N

099SOLO

105TJILATJAPTIAJPCENTRAL

CENTRAL JAVA LOAD POWER TO WEST JAVA

252 MW

0

E

JAVA EXTRBJT

POWER FROM WEST JAVA 100 MW TRANSMISSION REjUIREMENTS 1077 - 6 SYSTEM OPERATION NORMAL L OAD FLOW TUT A-I

19e4 LOAD LEVEL -ALT A CHAS T MAIN INTEEATIINALIC

inol CHARLTTE LINTC T _SAwul-lc rAL-r

1345

--shye1475

4--281

bull

1034 PEKALONGAN

1211

104 SEMARANG WEST

104 DJATINGALEN

7 B 7894

74-shy 4

t05

SEMARANG HARIBOR

104

TIMUR

vs 1026

MAGELANG

105 PURWOKERTO--am

BOJOLALI

SW-L m JOGJAKARTA I

105

TJILATJAP

CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

252 MW

0 1OO MW

LINE CONTINGENCY

E

CENTRAL JAVA ElBIT

TRANSMISSION REQUIRENENTS 177 - 1

LOAD FLOW TEST A- 1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEENATIONAL 9

IIISTIM CNARLOTTE CL MASCIIU11 -INCAWSINAI 1U144 W~

1115TEBAL

i

in

n

104 SEMARANG102 WESTPEKALONGAN

- 52 4--702 806

4f1 0s33-43

J10

MAGELANG

104 0JOLALI

PURWOKERTO

t10

CENTRAL JAVA LOAD 252 MW 105

TO JAVA 100 MWTJILATJAPAT POWER WESTI J P OWERFROMWESCENTRAL

POWER FROM WEST JAVA 0 SYSTEM OPERATION NORMAL

105 SEMARANG104

HARBORDJATINGALEH

-W163104 _SEMARANG-I I TIMUR

1025 100 i DJELOK

SOLONJOGAKT

i i E T

EXNIIIT

0987

JAVA TRANSMISSION REQUIRENEnTS 1977 - IOU

LOAD FLOW TEST A-1i 1984 LOAD LEVEL - ALT A

INCmINTEMATIONALCHAS T VAIN ICARLITTE CLIEN to

NISACNK~l--MU CAIUIA =IS AM

l

to

TEGAL

541

ZXS f- -4

101SEMARANG PEKALONGAN

p 720

U 00- 75

104

WEST

104 DJATINGALEH

1

2u104

105 SEMARANG HARBOR

SEMARANG-IJ

1042GARUNG

MAGELANG MAEN SALATIGA

PURWOKERTO

JOGJAKARTAON

1JILTJA 1 05TJILATJAP

CENTRAL JAVA LOAD POWER TO WEST JAVA

POWER FROM WEST JAVA SYSTEM OPERATION

252 MW 100 MW

0 LINE CONTINGENCY

E 9SL EXIT

CENTRAL JAVA

CETALJVTRANSMISSION REQUIREMENTS 1977 - 135 LOAD FLOW TEST A-12

1984 LOAD LEVEL - ALT I

CHAS T MAIN INTEMATIONAL I-shy-OSTIM CNALOTTE CLIENT JOB

-II STIL T_ARTN 231I 1 4

103 105

094 SEMARANG 1035 SEMARANG

-m-10 49 PEKALONGAN

p-1290 WEST DJATINGALEH

-U17 8

HARBOR

12s-3 1I1-5M 104

096 098

485 GARUNG 535 - MAGELANG

230 4401 4-0 L O---- 93 BOJOLAL I

093 I i PURWOKERTO

i JOGJAKARTA SOLO U

90 MSOLO $ CENTRAL JAVA LOAD 252 MW E

092 EXHIIT TJILATJAP POWER TO WEST JAVAPOWERTJPRJCENTRALEPOWER FROM WEST JAVA

100 MW 0 JAVATRANSMISSION REQUIREMENTS 1977 - 196O

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-13 1984 LOAD LEVEL - ALTJA

S- - SCHAS T MAIN INTEMATIONAL INC BOSTON CHARLITTE CLIEt

S III TN allmLlINA 2U1 4 -

i 05

I 117 9 1057

-PEKALONGAN 96

105 SEMARANG WEST

1048 DJATINGALEH4

SEMARANG HARBOR

ogTEGAL 41 0105

41 1 9 12

6 t 105SEMARANGTIMUR

4c

104

8~ 1-046

mU

DJELOK

i 0

106 C4 PURWOKERTO

91GI

10

4

0-

3 I6

18 -SALATIGA

BOJOLALI

10

ci iT W JOGJAKATA

106 TJILATJAP

CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

Pp(I-e-4 c k

1235 MW

0 500 Ml

NORMAL -

rtJf I

CENTRAL JAVA

TRANSMISSION REQUIREMENTS

LOAD FLOW TEST B-1 1971 LOAD LEVEL - ALT

CHAS T MAIN INTENATIINAL INC ISCi BOSTON CNAILTTE CLIET

MASSACHUSETTS NRTH l 2

SOLO U

EXXEISIT

1977 - OS

_

n| i

in7 9 4 -4I16

i

105 104 SENARANG

101 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

---2--45 566 5500 35 m-772II -- 45 lo 4

TEGA 41 5~I2h~1im 4 6L SEMARANG 7 TIMUR

Yn

4 a

104

103 jj DJELOK

2

1 01 0 BOJOLAL I

PURWOKERTO 10

- JO G J A KATA

SOLO S

r 101 CENTRAL JAVA OD 1235 1MW XII TJILATJAP POWER TO WEST JAVA 500 MW CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 1969 SYSTEM OPERATIONv NORMAL LOAD FLOW TEST 3-2

l -lt i 1977 LOAD LEVEL - ALT I H Cl n--r k i k CHAS T MAIN INTERNATIAL INC

BOSTON CHALOTE CLIENT if

MSAHSTTS IRNCOLA 2881

104 ( 105

SEMARANG

855 - - ObC -SEM N 14

SEI4A~kNG00 WEST DJAT INGALEH

---8 shy 204

HARBOR

28 -0-0--35 9j7 1044

SEMARANG TIMUR

S --909 GARUNG

I -F336

973 SALATIGA

OJOLAL I

PURWOKERTO

SOLO

- E

CENTRAL JAVA LOAD 1235 MW

M TJILATJAP POWER TO WEST JAVA 500 CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 shy tO0 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOV TEST 1-3

- - 1977 LOAD LEVEL - ALT CHAS T NAIN INTERNATIONALINC

-ST CNAILITTE CLIENT Is IASSIOIISTNVNT CAi =1

deg 105

1036 SEMARANG 102 SEMARANG 104 HARBOR

PEKALONGAN WEST DJATINGALEH 7516

1044IA 164 TE4AL 1 SEMARANG

82U TIMUR

cn 1 02

7 102

I0 MAGELANG 10 10GARUNG

-4 0 4SALATIGA

10 70 B OLALI AV39

_ PURWOKERTO

--- i W 30SLO II

iE SOLO $

-

10 TJILATJAP

CENTRAL JAVA LOAD POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

252 MW 0

50 MW

NORMAL

bullC EXHIBIT

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1177 -1S97

LOAD FLOW TEST 8-4 1984 LOAD LEVEL - ALT 3

CHAS T MAIN INTERNATIONAL INCJ E EMU

BOSTON CNAiLITTE CLIENT 1N MASSAHUSETTS NIAN CAOIA236N1 44 A

1025 SEMAR GSEMARANG 103 HARBORPEKALONGAN WEST DJATiNGALEH 0 C ---8865 00 10 33TEGAL

TEG L1 77 4- 200 290 -004

i____I_ SEMARANG TIMUR

0985350102 DJELOK

_-- Q MAGELANGi350 40 0MIESLTG

5 9 5 2

PURWOKERTO

-W JOGJAKATA SOLOn

CEATRAL JAVA LOAD 252 MW EXHIBIT C LE50 MWTmWP POWER TO WEST JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977- 1e3e SYSTEM OPERATION NORMAL LOA F01 EST 1 5 dJ ~1984LIA L VIL -]T

HA-S T MAIN INTE ATIONAL N ALE-8 USTON CHARLOTTE CLIENT ift

MSSAHUSETTS NORTHCARILN ZI 4

___

10 0S 05

S0 SEMARANGQSEMARANG HARBOR102PEKALONGAN WEST DJATINGALEH -- 105-3-2618 --1317 -0--1750 Vqolo-- 30 I 4-88 ~10488960

i SEMARANG

TIMUR

- 102

MAGELANG GARUNG

(i~~~~i~cx r- c

JV4OD CETA22M 14O L BOOLAL I

OSTONW L SOLO IIJOGJAKATA

- ~0 e9 68

- CENTRAL JAVA LOAD 252 M4W EXII TJILATJAP POWER TO WEST JAVA 50 MW ETAJVA

- IPOWER FROM WEST JAVA 0 TRANSMIS31ON REQUIREMENTS 1077 lg-

SYSTEM OPERATION LINE CONTINGENCY LA LVTS shy1984 LOAD LEVEL - ALT D -- C~~HAST MAIN INT|IMATINAL INCI I d shy

_ - ASSACHUSETTS CIN NA MII A8

105

1035 SEMARANG SEMARANG 104 HARBOR

N WEST DJATINGALEH 4-49 9

33244- 191 47 104 I SEMARANGLJ

TiMURro

0994f DJELOK

095

1194 SALATIGA

29 32 0 -f BOJOLAL I

am WJOGJAKATA SOLO I

094 m -SOLO $ T TJ kP m EElIl

CENTRAL JAVA LOAD 252 MW EXIBT

TTJ1L~AIP POWER TO WEST JAVA 50 MW CENTRAL JAVA POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - In

SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST 3-71984 LOAD LEVEL - ALT I

CHAS T MAIN INTERNATIONALINC BOSTON CHARLOTTE CLIENT IN

ASSACHUSETTS NOTHN I 2111

37

UR

0976 PEKALONGAN

01 0TIMUR

deg0

878

cl

if7PuRW RO

4901

GARUNG

I

TJILATJAP CENTRAL JAVA LOAD

POWER TO WEST JAVA POWER FROM WEST JAVA

SYSTEM OPERATION

103 SEMARANG SEMARANG 104 HARBOR WEST DJATINGALEH ul

a 2 0

k1 104

SE ARANG

Ideg -T

SLTG

DJEOLOOK

W

E

252 MW

50 MW CENTRAL JAVA

0 TRANSMISSION REQUIREMENTS

LOAD PLOW TEST 8-8LINE CONTINENCY 1984 LOAD LEEL - ALT

CHAS T MAIN INTERNATIONAL INC s

BOSTON CNARLOTTE CLIENT MASSACHUSEITS NORTN CA 261i

OL S9

SOLOa

1977 - 190

1 shy4

(-)

i05 104 SEMARANG

103 SEMARANG 104 in HARBOR PEKALONGAN WEST DJATINGALEHc

332 -- 165 0-07 a 1137 TEGAL

7 -4-

I-ui 132 1 161 104

SEMARANG TIMUR

4 l DJELOK

104 GARU 16 -4ll O

MAGELANG iSALAT IGA

i 5 it11 3 4m 13--0 BOJOLAL I

PURWOKERTO 102

-W $ SOLO P

099 IiSOLO S amE

1015 CENTRAL JAVA LOAD 252 MW EHIBIT TJILATJAP POWER TO WEST JAVA 0 CENTRALiJAVA

POWER FROM WEST JAVA 100 TRANSMISSION REQUIREMENTS 1977 - 1SB

SYSTEM OPERATION LOAD FLOW TEST 1-9 1984 LOAD LEVEL - ALTD

CHAS T MAIN INTERNATIAL INCISCAL -BOSTON CNARLITTE CLIENT 0

-ASSACHUSETTS INTH CAA 2061 4

Cshy 105 1037 SEMARANG

102 SEMARANG 104 HARBOR PEKALONGAN WEST DJATINGALEH

- 165 -- 575 1614 -4--3 4 - 234 1044 TEAL TIMURa~im SEMARANG

cca

ODJELOK1410

I 04MAGELANG

CENTSALATIGA420-0shy

19 414LD 19 9EEL4-- DO0JOLALI PURWOKERTO

0994 -

RUTJIATAP OW O-WETJAAW TI

JOGJAKATA

i- -L0 965 iSOLO S Him E

0n CENTRAL JAVA LOAD 252 MW EXHIBIT iNEW TJILATJAP POWER TO WEST JAVA 0 CNRLJV -

- - POWER FROM WEST JAVA 100 MW TRANSMISSION REQUIREMNTS 1977 -1989l

-- SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST l-1O - 1964 LOAD LEVEL - ALT$

C AS T MAIN INTERNAT I ONAL IC _ _ -

L IOSTON NAILITTE CLIENT Eg -AACUSTTS ANA INITN t21 64

r7

( o0i PEKUOG N

I - l-

I-P- 15 2 -0-1236 420

101 SEMARANG 1026 WEST DJATINGALEH

--1410 N -of- 122 I

Ii -U t

105

SEMARANG HARBOR

1104 TIMUR

DJSOLEL

POWER FROM WEST JAV2A

GARTN

10~~~

0

3

626

TRANSISSION RE9UIEENEN TS

CUALTIGAIUTI

117 -

| SN i

AOL

u vL-- r4 J 194 LOAD LEVEL - iLTIr _L - euroI ip I~wi |CHAt T MAIN INTEBUTIUAL IUC __-

1025 105 1025 SEMARANG

098 SEMARANG 103 HARBOR PEKALONGAN WEST DJATINGALEH

114

0-i-SEMARANG

213 -- 30 I-06-404 1041

-shy TIMUR

SALATIGA

i~0 i I o57 SY TE2 I L--6 NCL I F TBOJOLALI

3Q POWER FROM WEST JAVA 0 RNMISO RQI REET 0shy

1 LOAD LEEL -T WoT MAINToAT

-

- TJIIATJAP POWER TO WEST JAVA

POWER FROM WEST JAVA 1O

0 n

CENTRAL JAVATRANSHIS31ON RE91IIIE4NTS 177 -lion

_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

- ALTD1 lC

TI U CNLT11- X 111111

-SC TS WITO CAM

105

104 SEMARANG SEMARANG 104 HARBOR1037

PEKALONGAN WEST DJATINGALEH shy

--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

4103 I OJELOK

GARUNG SALATIGA

722--4shy 17 5--l BOJOLALI

PURWOKERTO 1044

w SOLOMoo n t JOGJAKATAi m CENTRAL JAVA LOAD 252 MW 81T

105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

This test defines the requirement for a second circuit

between Tegal and Semarang in the early stages of

development of the Ketenger 150 kV transmission

system

Transmission requirements for 1989 were developed using engineering

Judgement The transmission additions resulted in the same number of circuits

for both alternatives A and B

CENTRAL JAVA

TRAMISUISSION REIJIREMENTS 1877 - 199

ais 1977 1S u 1h6 250 Wlw M 111111I1O SMS 1 0 0 0eTJIULTJW Ume 1M 111W111M) ______ I__MlTIiceIS 50 50 10 INo

msum tag

a n-

50 Ift tooS w ATO

Im Ai- I- l

Lill SiJAVn AI-TEST-- S A-t

TJILATJ AP

A j - vI 1 1 1 I

_ __

113 JAVA

__

A-1

AI A-7A-1-l

1

I [ A-Il

W E1 JAVA -shy 9 I A t s a g stl

111L0 -- fftlal l

-~- J oI

I T JAVA 11-2 S I1-Is f P roI

113161

COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

ITNEATIT

PLIERINTENCANOEITN WEST JAVA

V

TRAMSNISSINN LINES NORMAL ALL LINES

IN SERVICE

SYSTEPWEECE

LINESLIADED

mINim t

VITAIE LEVEL SNERATI

i IECTIN OUT ONE SINiLE LINE owFarcceptable h =havyt = modim KETEISEN AFil TO OUT OF SERVICE I=Iaisdoqnte I = light SYST[E

I X NORMAL very

2 50 NORMAL 03

3 SpoundEARAN X SEN 1 - PEKALONGANOUT mIn 10

4ONLY - X~ SEN W - PEKALONiAN h 091 5 X NORMAL i 105 0 -4SEN I - PEKALONGAN

X nut_ _ I 105

7 X NORMAL a h 032

Xox SEN W - PEKALONGAN OUT I

veryh 070

0 SEMARANG X NORMAL 9 h 105 10 + X SEN

OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

1 0 g

0I NOAL I 2 l177 VIAN h eay

- PEKALO goodi 0

SEN =OUT-OAN

Ii NORMALXNI 50 0935SEMARA h4 a

x NORM AL

5

NA NOUTi IVery 01 - MAGELANGONY6ARUN6 PEKALO SE shy

h 0 ADD 2nd CIRCUIT TEALI

090h GA- TENAL M - PEKALO OUT EARA- AtONGNX ISEMW P 0035bullaO

X NORMAL 09 7

9 KALO GAN - T GAL I I h 0 02

-UIT NV -P ADx 2nPIRC - E A

19 4 OUTX72 000hIO I 12 po SEALNATEGAL 095I NORMAL - 9OAD2nd CIRCUITAAN II

OUTSEN - DEATINGALEH 10veryNORMALXSEMARA G 104413 9h OUT very

+ x SE - PEKALONGAN

h 07 14 I

X NORMAL la100 at15

vahry - PRWOKERTO I h0 71

SrTEOALX OUT OUTTJILAT AP10 PUR OKERTO h 095 E AL - - TEGA 0

ADDED 2nd CIRCUIT SEN11 2

Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

TEL IPA SEMARANGshy|41 1 61 TIMUR

MAGELANG

108 0 i PURWOKERTO I

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OUT 1 - PEKALONGAN

I h 105

11 100 Mw at X NORMAL _ U 101

12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

OUT SONMIL LIE = I inadequatl I light SSTEmOF SERVICEN TIOUTIIIRW

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h 0 ADD 2nd CIRCUIT TEALI

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vahry - PRWOKERTO I h0 71

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Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

212-p- 1e 10 6--- 0-180

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i CENTRAL JAVA LOAD 1235 MWEI i

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CHAS 1971 LOAD LEVEL - ALT

T MAIN INTElATIUALIC Ai|

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30

---

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104 o 5DJELOK

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W mom SOLO NJOGJAKARTA

CENTRAL JAVA LOAD 1235 MW E 103 EDN I1IT

TJILATJAP POWER TO WEST JAVA 500 MWA__T_7______ CENTRAL JAVA

POWER FROM WEST JAVA 0 TRANSMISSION REQUIRENENTS 197 19i

LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

-bull~ T MAIN INTEEATIBUL ICHAS -4bullUSlTo CUMLITI CLIE NTis

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LOAD FLOU TEST A-5 1984 LOAD LEVEL -A LT A

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____

TRANSMISSION REQUIREMENTS 1977 - 165 SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST A-111

1984 LOAD LEVEL - ALT I

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7 21984 LoAD LEVEL - ALT A CHAS T MAIN INTEMATImUAL ila

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0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

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COiTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 198

LOAD FLOW TESTS ALTERNATIVE A

TEST DESCRIPTION RESULTS

Is LOAN

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X nut_ _ I 105

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12 TJILATJAP X TEOALOUT - PURiOKERTO pound n 105

13 SEMARANG SEN W - PEKALONGAN OUTABHO SINOLE CIRCUIT DETWEENPONLYPUiWOENTO AND CAUNG 1 105

Exhibit B

CENTRAL JAVA TRANSMISSION REQUIREMENTS 1977 - 1989

LOAD FLOW TESTS ALTERNATIVE B

DESCRIPTION RESULTS TEST

PhR TRANSMISSIIN LINES LTS EFE I EAC E LOADED VLMINTERCANGENEST H IVA NORIAL ALL LINES SYSTEM LI1ES

LIAI1TH _ __ _ I NSERVICE

= LO DIE EIATI IO-H_ e d h=h eavy shy OgaIapound I EIIDIRECTION OU ahl edi m KE EIERMLEVEL = aocept =

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Exhibit C

105

105

107 SEMARANG 105 SEARAN

PEKALONGAN WEST DJATINGALEH HARBOR

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LOAD FLOW TEST A-ZSYSTEM OPERATION NORMAL 1977 LOAD LEVEL - ALT A

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1977 - 190

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PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

1025 105 1025 SEMARANG

098 SEMARANG 103 HARBOR PEKALONGAN WEST DJATINGALEH

114

0-i-SEMARANG

213 -- 30 I-06-404 1041

-shy TIMUR

SALATIGA

i~0 i I o57 SY TE2 I L--6 NCL I F TBOJOLALI

3Q POWER FROM WEST JAVA 0 RNMISO RQI REET 0shy

1 LOAD LEEL -T WoT MAINToAT

-

- TJIIATJAP POWER TO WEST JAVA

POWER FROM WEST JAVA 1O

0 n

CENTRAL JAVATRANSHIS31ON RE91IIIE4NTS 177 -lion

_ - SYSTEM OPERATION LINE CONTINGENCY LOAD FLOW TEST I -2 ~_It -- CHAS T IMAIN

LOAD LEVEL INTERNATIIAL

- ALTD1 lC

TI U CNLT11- X 111111

-SC TS WITO CAM

105

104 SEMARANG SEMARANG 104 HARBOR1037

PEKALONGAN WEST DJATINGALEH shy

--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

4103 I OJELOK

GARUNG SALATIGA

722--4shy 17 5--l BOJOLALI

PURWOKERTO 1044

w SOLOMoo n t JOGJAKATAi m CENTRAL JAVA LOAD 252 MW 81T

105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

105

104 SEMARANG SEMARANG 104 HARBOR1037

PEKALONGAN WEST DJATINGALEH shy

--- 5-760_ 405 6 055 1 - 123 220e 297---- 417-L- 1045 ---m ---i- i iSEMARANG

INS TIMUR

4103 I OJELOK

GARUNG SALATIGA

722--4shy 17 5--l BOJOLALI

PURWOKERTO 1044

w SOLOMoo n t JOGJAKATAi m CENTRAL JAVA LOAD 252 MW 81T

105 TJILATJAP POWER TO WEST JAVA 0 fCENTRAL JAVA

1POWER FROM WEST JAVA 100 MW TRANSMISSION REqUIREMEITS 19U

LOAD FLLV TEST 1-13SYSTEM OPERATION NORMAL 19614 LOAD LEVEL - ALTI

S T MAIN INTENATIAL INCIC CNARLDTTE LETASSTMN

+ IA CII TO CAIMIL 77 - ]IISIETTS _emil

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

(N 105

SEMARANG104 HARBORSEMARANG 104

WEST DJATINGALEHPEKALONGAN 0m-- 409

_

16 5 --c

m 1SEMARANG TIMUR

IUR T I

102 10 MAGELANG

GARUNG SALATIGA13068T

i 1 302 BOJOLALI

PURWOKERTO 1037

W SOLO U~JOGJAKATAI SOLO SE

EXHIBIT 105 CENTRAL JAVA LOAD 252 MW

CENTRAL JAVATJILATJAP POWER TO WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - 19POWER FROM WEST JAVA 100 MW

OAD FLOW TEST 1-14SYSTEM OPERATION LINE CONTINGENCY 194 LOAD LEVEL - ALT a CHAS T MAIN INTRNATIlNALINCit

BOSTON CHARLOTTE CLIENT IN

IA HTS NIN 2 4

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

LDJELOK

105 103 SEMARANG

098 SEMARANG 1036 HARBOR

-0 5 PEKALONGAN 735 WEST DJATINGALEHoamp-90 2

45 85 7 104 TEIK SEMARANG

r TIMJR

1103

GARUNG i _ d--pow mm1SALATIGA v ---- 22 43

T--LTA POWER TO 10 WC L

103 LA BOJOLALI

10 CETA JAA OA25 MWGLN

sWJOGJAKATA

-T AINIRERNTIALIN

0909 SOLO $i

- 108CENTRAL JAVA LOAD 252 MW EXHNIBIT _

POWER FROM WEST JAVA 0 TRANSMISSION REQUIREMENTS 1977 - If

__ - 1984 OPERATION NORMAL NSYSTEMLOAD FLOW TEST 1-1LIO LEVEL -ALT I i iCHAS T MAIN INEA IONINC

- MASSACHUSETTS BOSTON

CNARLOTTET _

IEN 2-O ff 1 494 -

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

UI 4

PEKALO -

0 996 SEMARANG 102 bull WEST DJATINGALEH

17-13701110 -1894 9 6 1 0 1

i

-

TIMUR

m

m

10 SEMARANG HARBOR A

1 0 4 SEMARANGshy

m T DJELOK

102 10 MAGELANG

W JOGJAKARTASOOU

ENTR5AL JAVA LOAD 252 MW SOLOS

TJIATAP POWER TOMWEST JAVA 0O CENTRAL JAVA

POE0RMWS AA -SYSTEM OPERATION LINE CONTINGENCY

TRANSMISSION RERUIRENENTS 1977 LOAD FLOWTESVUT8

1984 LOAD LEVEL --ALT I

SB

CAS 1 VAIN INTEEOOATIS 0h S9 CNARLPTE CLIET1 S

bull CENTRAL JAVAU CANOAA 212 14E

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i

--

098 PEKALONGAN

-1500

TEBAL

102 - 7 0 GARUNGa 690

i 0 130

104 JlAPURWOKERTO

++CENTRAL JAVA LOAD

+105 + Dm

+POWER+-TJILATJA P TO WEST JAVA

POWER FROM WEST JAVA

SYSTEM OPERATION

-+--+ + +

103 S 05

SEMARANGSEMARANG 1036

WEST DJATINGALEH- HARBOR

ISEMARANGshy

1013 1A01LA

14AGELANG S iSLTG SOLO BOJOLALI

W SOLO Ill JOGJAKARTA

-SOLOSL 252 MW El l

EXHIBIT 100 MW CENTRALJAVA

0 C ENTJAVA TRANSMISSION REQUIRENTS 117 - till

LINE CONTINGENCY LOAD FLOW TEST 3-11 1984 LOAD LEVEL - ALT I

C E CHAS T NAMt INTEMATIUALIN K VON[

BOSTON CNARLOTTE CLIENT InHAS A STTL KRTN CARK lNA 4 + N T fN GMLMA21011 4

i


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