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DOCUMENT SUBMISSION STATUS: AP
C 26.01.10 Modify in accordance with CS2-M2-E-00048 MLe ASc TBr B 06.01.10 Modify in accordance with CS2-M2-E-M2-DSL-0600 MLe ASc TBr
REV DATE DESCRIPTION DRWN CHKD APPN
OWNER
OWNER’S CONSULTANT
EPC CONTRACTOR
EPC CONTRACTOR’S CONSULTANT
PROJECT TITLE
VUNG ANG 1 THERMAL POWER PLANT 2 x 600MW PACKAGE TITLE
CONTRACT No.
DRAWING TITLE SINGLELINE DIAGRAM
COAL HANDLING SYSTEM -
FUNCTION NAME SIGN DATE DRWN M.Leinenbach 07.12.09
CHKD A.Scholz 07.12.09
SUB-CONTRACTOR
APPD T.Brüwer
DOCUMENT No. VA1-FLS-00100-E-M2-DSL-0600
SCALE REV C
VIETNAM OIL AND GAS GROUP (PVN) POYRY ENERGY LTD
VIETNAM MACHINERY INSTALLATIONCORPPORATION (LILAMA) WORLEYPARSONS PTE LTD
B
Index / Rev. Mitteilung / Remark Datum / Date Name
Kunde / Client
Firma / Company
Zeichnung / Drawing Angebotsnr. /Offer No.:
Datei / File Blatt / Page:
von / of:
1 2 3 4 5 6 7 8 9 10
A
C
D
E
F
G 2.2040W.T.
BACH
04.09.09Date
Author
appr.
Norm IEC 1
1PVN_Single_Linediag.vsdPVN COAL FIRED POWER PLANT
29.09.09 MLeAdapted installed power
30.11.09 MLeDeleted Substation Storage
26.01.10 MLeAdapted according to
CS-M2-E-00048
VA1-FLS-00100-E-M2-DSL-0600Rev. C
Scope of supplyFLS-Koch
80 A80 A
I=200A*I=80A*I=114A*I=400A*I=95A*I=58A*I=250A*I=80 A*
IR=100 A IR=100 A
00EA
D04
10 k
W
00EA
D03
10 k
W
120m, 16mm²
400m
, 35m
m²
120m, 16mm²
217m, 120mm²
193m, 70mm²
217m, 120mm²
193m, 70mm²
Scope by others
10kV1229 KW
00EAC09250 kWIN=250 A
00EAC01400 kWIN=400 A
00EAA01
690V 3ph, 4 wire, 50Hz, Ikmax= 43 kA
10kV2500kVA, AN
690VUk= 6%Dyn 11
± 2 x 2,5%
AUX.
24V DC
230V 50Hz
00EAC19250 kWIN=250 A
00EAC11400KW
IN=400 A
10kV2500kVA, AN
690VUk= 6%Dyn 11
± 2 x 2,5%
Substation TT2
00EAC1075 kWIN= 80A
00EAC0855 kWIN=58 A
I >
M3 ~
400V 3ph, 4 wire, 50Hz, Ikmax = 15kA
10kV400kVA, AN
400VUk= 4%Dyn 11
± 2 x 2,5%
10kV400kVA, AN
400VUk= 4%Dyn 11
± 2 x 2,5%
AUX.
24V DC
230V 50Hz
00EAC2075 kWIN=80 A
00EAC1855 kWIN=58 A
I >
M3 ~
00EAC0290 kW
IN=95 A
00EAC0337 kWIN=75 A
00EAU0149KW
00EAC06110 kWIN=114A
00EA
D01
110
kVA
00EA
F01
240
kVA
00EAC1290 kWIN=95 A
00EAC1337 kWIN=75 A
00EAC07110 kWIN=114 A
00EA
D02
110
kVA
00EA
F02
240
kVA
Cap
acito
rba
nk
Cap
acito
rba
nk
Cap
acito
rba
nk
10kV1229 KW
|-- Lighting & Socket --| |-- Lighting & Socket --||- all other consumers -||- all other consumers -|
Power Plant10 kV 3Ph 50HzMVA MVB
Auto switch unitAuto switch unit
00EAC05132 kWIN=135 A
00EAC04132 kWIN=135 A
Ligh
ting
Sto
ckpi
le A
100A
Ligh
ting
Sto
ckpi
le B
100A
Ligh
ting
& P
ower
so
cket
s Tr
ansf
er
Tow
ers
100A
Ligh
ting
& P
ower
so
cket
s Tr
ansf
er
Tow
ers
100A
00EAU0249kW
500m
, 70m
m²
50m
, 2 x
95m
m²
320m
, 185
mm
²
60m
, 25m
m²
115m
, 35m
m²
242m
, 35m
m²
190m
, 50m
m²
520m
, 150
mm
²
350m
, 95m
m²
595m
, 95m
m²
390m
, 2 x
95m
m²
500m
, 70m
m²
60m
, 2 x
95m
m²
320m
, 185
mm
²
60m
, 25m
m²
115m
, 35m
m²
242m
, 35m
m²
190m
, 50m
m²
670m
, 2 x
95m
m²
470m
, 120
mm
²
400m
, 2 x
120
mm
²
00EAE0175 kWIN=80 A
605m
, 95m
m²
00EAE0275 kWIN=80 A
00EAA02
400m
, 35m
m²
IR=80 A
M3 ~
IR=250 A
M3 ~
IR=63 A
M3 ~
IR=100 A
M3 ~
IR=400 A
M3 ~
IR=125 A
M3 ~
IR=315 AIR=80 AIR=200 A
M3 ~
IR=160 A
M3 ~
IR=80 A IR=250 A IR=63 A IR=100 A IR=400 A IR=125 A IR=315 AIR=80 AIR=200 A IR=160 A
690V 3ph, 4 wire, 50Hz, Ikmax= 43 kA400V 3ph, 4 wire, 50Hz, Ikmax = 15kA
* = intelligent motor protection relay
I=200A*I=80A*I=114A*I=400A*I=95A*I=58A*I=250A*I=80 A*
M3 ~
M3 ~
M3 ~
M3 ~
M3 ~
M3 ~
M3 ~
M3 ~
Cap
acito
rba
nkNOTE:
Fuses for motor protection aM caracteristicFuses for switchgear protection gL/gG caracteristic
IR=2500 AI > IR=2500 AI >
IR=1600 A
I >
IR=630 AI > IR=630 AI >
IR=400 A
I >
** IKMAX if tie breaker is closed and one transformer supply both busbar, worsed case
LV-CB 1.1A.1bCircuit-breakerIn =2.500 A
LV-B 1.1A.1Busbar5 mLDA5623
Transformer 1.1A.1Sn = 2.500 kVAukr = 6 %10/0,69 kV Dyn5
CB 1.1A.1aCircuit-breakerIn = 500 A
C 1.1A.1CapacitorQn =500 kvarUn =690 V
C/L 1.1A.2Cable/Line500 mCu 1(3x70/-/35)
00EAC10MotorIn = 77,6 AUn = 690 V3-pole
3~
C/L 1.1A.3Cable/Line320 mCu 1(3x150/-/70)
00EAC09MotorIn = 250 AUn = 690 V3-pole
3~
C/L 1.1A.4Cable/Line60 mCu 1(3x25/-/25)
00EAC08MotorIn = 56,9 AUn = 690 V3-pole
3~
C/L 1.1A.5Cable/Line60 mCu 2(3x95/-/50)
00EAC01MotorIn = 400 AUn = 690 V3-pole
3~
C/L 1.1A.6Cable/Line115 mCu 1(3x35/-/16)
00EAC02MotorIn = 93,1 AUn = 690 V3-pole
3~
C/L 1.1A.7Cable/Line190 mCu 1(3x50/-/25)
00EAC06MotorIn = 111 AUn = 690 V3-pole
3~
C/L 1.1A.8Cable/Line506 mCu 1(3x70/-/35)
00EAD01Outer zoneIn = 100 AUn = 690 V3-pole
C/L 1.1A.10Cable/Line566 mCu 2(3x95/-/50)
00EAF01Outer zoneIn = 181 AUn = 690 V3-pole
C/L 1.1A.11Cable/Line520 mCu 1(3x150/-/70)
00EAC05MotorIn = 133 AUn = 690 V3-pole
3~
C/L 1.1A.12Cable/Line595 mCu 1(3x95/-/50)
00EAE01MotorIn = 76,6 AUn = 690 V3-pole
3~
LVMD 1.1A
TN-S Un = 690 V
CB
1.1
ABa
Cir
cuit-b
reake
rIn
=2.5
00
A
LV-CB 1.1B.1bCircuit-breakerIn =2.500 A
LV-B 1.1B.1Busbar5 mLDA5623
Transformer 1.1B.1Sn = 2.500 kVAukr = 6 %10/0,69 kV Dyn5
C/L 1.1B.1Cable/Line500 mCu 1(3x70/-/70)
00EAC20MotorIn = 78,4 AUn = 690 V3-pole
3~
C/L 1.1B.2Cable/Line320 mCu 1(3x185/-/95)
00EAC19MotorIn = 250 AUn = 690 V3-pole
3~
C/L 1.1B.3Cable/Line60 mCu 1(3x25/-/25)
00EAC18MotorIn = 56,9 AUn = 690 V3-pole
3~
C/L 1.1B.4Cable/Line115 mCu 1(3x35/-/35)
00EAC12MotorIn = 93,1 AUn = 690 V3-pole
3~
C/L 1.1B.5Cable/Line50 mCu 2(3x95/-/50)
00EAC11MotorIn = 400 AUn = 690 V3-pole
3~
C/L 1.1B.6Cable/Line190 mCu 1(3x50/-/25)
00EAC07MotorIn = 111 AUn = 690 V3-pole
3~
C/L 1.1B.7Cable/Line632 mCu 1(3x120/-/120)
00EAD02Outer zoneIn = 100 AUn = 690 V3-pole
C/L 1.1B.8Cable/Line566 mCu 1(3x70/-/70)
00EAE02MotorIn = 76,7 AUn = 690 V3-pole
3~
C/L 1.1B.9Cable/Line566 mCu 2(3x95/-/50)
00EAF02Outer zoneIn = 181 AUn = 690 V3-pole
C/L 1.1B.10Cable/Line632 mCu 2(3x95/-/50)
00EAC04MotorIn = 133 AUn = 690 V3-pole
3~
CB 1.1B.11aCircuit-breakerIn =500 A
C 1.1B.11CapacitorQn = 500 kvarUn = 690 V
LVMD 1.1B
TN-S Un = 690 V
1
H
2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 87
G
F
E
D
C
B
A
H
G
F
E
D
C
B
A
9 10 11 12
Project name:
VA1-FLS-100-E-M2-DSL-0600
Client:
Lilama PVN
Design office:
FLSmidth MVT
Planner:
mal-deLocation:
VietnamCreated on:
12/4/09Changed on:
1/5/10
SIMARIS design 5.0.1102
LV-CB 1.1A.1bIR =2.250 A
LV-B 1.1A.1Iz =2.500 Aftot = 1Ib =1.022 A
Transformer 1.1A.1In1 = 144 AIn2 =2.092 AΔu = 0,908 %
CB 1.1A.1aIR = 450 A
C 1.1A.1Qe = 400 kvarcos(φ) = 0,119 (cap.)ΣΔu = 0,0433 %
C/L 1.1A.2Iz =183 Aftot = 0,8Ib = 77,6 A
00EAC10Pmech = 75 kWcos(φ) = 0,87 (ind.)ΣΔu = 2,67 %ΣΔu dyn. = 9,9 %
3~
C/L 1.1A.3Iz = 297 Aftot = 0,8Ib = 250 A
00EAC09Pmech = 250 kWcos(φ) = 0,9 (ind.)ΣΔu = 2,94 %ΣΔu dyn. = 9,79 %
3~
C/L 1.1A.4Iz =95,2 Aftot = 0,8Ib =56,9 A
00EAC08Pmech = 55 kWcos(φ) = 0,87 (ind.)ΣΔu = 0,636 %ΣΔu dyn. = 2,11 %
3~
C/L 1.1A.5Iz = 445 Aftot = 0,8Ib = 400 A
00EAC01Pmech = 400 kWcos(φ) = 0,89 (ind.)ΣΔu = 0,324 %ΣΔu dyn. = 2,95 %
3~
C/L 1.1A.6Iz =118 Aftot = 0,8Ib = 93,1 A
00EAC02Pmech = 90 kWcos(φ) = 0,87 (ind.)ΣΔu = 1,4 %ΣΔu dyn. = 5 %
3~
C/L 1.1A.7Iz =143 Aftot = 0,8Ib =111 A
00EAC06Pmech =110 kWcos(φ) = 0,88 (ind.)ΣΔu = 1,98 %ΣΔu dyn. = 8,88 %
3~
C/L 1.1A.8Iz =183 Aftot = 0,8Ib =100 A
00EAD01P =95,6 kWcos(φ) = 0,8 (ind.)ΣΔu = 3,7 %
C/L 1.1A.10Iz = 445 Aftot = 0,8Ib = 181 A
00EAF01P =193 kWcos(φ) = 0,89 (ind.)ΣΔu = 3,05 %
C/L 1.1A.11Iz = 297 Aftot = 0,8Ib = 133 A
00EAC05Pmech =132 kWcos(φ) = 0,88 (ind.)ΣΔu = 2,55 %ΣΔu dyn. = 10 %
3~
C/L 1.1A.12Iz = 222 Aftot = 0,8Ib = 76,6 A
00EAE01Pmech = 75 kWcos(φ) = 0,89 (ind.)ΣΔu = 0,31 %ΣΔu dyn. = 9,79 %
3~
LVMD 1.1A
Ib =1.022 Acos(φ) = 0,983 (ind.)ΣΔu = 0,0433 %gi = 1
CB
1.1
ABa
IR=
1.1
25
A LV-CB 1.1B.1bIR =2.250 A
LV-B 1.1B.1Iz =2.500 Aftot = 1Ib =1.023 A
Transformer 1.1B.1In1 = 144 AIn2 =2.092 AΔu = 0,909 %
C/L 1.1B.1Iz =183 Aftot = 0,8Ib = 78,4 A
00EAC20Pmech = 75 kWcos(φ) = 0,87 (ind.)ΣΔu = 2,7 %ΣΔu dyn. = 9,44 %
3~
C/L 1.1B.2Iz = 339 Aftot = 0,8Ib = 250 A
00EAC19Pmech = 250 kWcos(φ) = 0,9 (ind.)ΣΔu = 2,52 %ΣΔu dyn. = 9,73 %
3~
C/L 1.1B.3Iz =95,2 Aftot = 0,8Ib =56,9 A
00EAC18Pmech = 55 kWcos(φ) = 0,87 (ind.)ΣΔu = 0,636 %ΣΔu dyn. = 2,11 %
3~
C/L 1.1B.4Iz =118 Aftot = 0,8Ib = 93,1 A
00EAC12Pmech = 90 kWcos(φ) = 0,87 (ind.)ΣΔu = 1,4 %ΣΔu dyn. = 5 %
3~
C/L 1.1B.5Iz = 445 Aftot = 0,8Ib = 400 A
00EAC11Pmech = 400 kWcos(φ) = 0,89 (ind.)ΣΔu = 0,277 %ΣΔu dyn. = 2,46 %
3~
C/L 1.1B.6Iz =143 Aftot = 0,8Ib =111 A
00EAC07Pmech =110 kWcos(φ) = 0,88 (ind.)ΣΔu = 1,98 %ΣΔu dyn. = 7,62 %
3~
C/L 1.1B.7Iz = 258 Aftot = 0,8Ib = 100 A
00EAD02P =95,6 kWcos(φ) = 0,8 (ind.)ΣΔu = 3 %
C/L 1.1B.8Iz =183 Aftot = 0,8Ib = 76,7 A
00EAE02Pmech = 75 kWcos(φ) = 0,88 (ind.)ΣΔu = 0,371 %ΣΔu dyn. = 9,82 %
3~
C/L 1.1B.9Iz = 445 Aftot = 0,8Ib = 181 A
00EAF02P =193 kWcos(φ) = 0,89 (ind.)ΣΔu = 3,05 %
C/L 1.1B.10Iz = 445 Aftot = 0,8Ib = 133 A
00EAC04Pmech =132 kWcos(φ) = 0,88 (ind.)ΣΔu = 2,25 %ΣΔu dyn. = 9,36 %
3~
CB 1.1B.11aIR = 450 A
C 1.1B.11Qe = 400 kvarcos(φ) = 0,119 (cap.)ΣΔu = 0,0433 %
LVMD 1.1B
Ib =1.023 Acos(φ) = 0,983 (ind.)ΣΔu = 0,0433 %gi = 1
1
H
2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 87
G
F
E
D
C
B
A
H
G
F
E
D
C
B
A
9 10 11 12
Project name:
VA1-FLS-100-E-M2-DSL-0600
Client:
Lilama PVN
Design office:
FLSmidth MVT
Planner:
mal-deLocation:
VietnamCreated on:
12/4/09Changed on:
1/5/10
SIMARIS design 5.0.1102
S =1.221,7 kVAP =1.200,8 kWQ = -224,5 kvarIbs =1.022,2 A
S = 402,9 kVAP = 48,0 kWQ =400,0 kvarIbs =337,1 A(L1,L2,L3)
S = 92,7 kVAP = 80,6 kWQ =-45,7 kvarIbs = 69,8 A(L1, L2, L3)
3~
S = 298,7 kVAP = 268,8 kWQ =-130,2 kvarIbs = 224,9 A(L1, L2, L3)
3~
S = 68,0 kVAP = 59,1 kWQ =-33,5 kvarIbs = 51,2 A(L1, L2, L3)
3~
S = 478,1 kVAP = 425,5 kWQ =-218,0 kvarIbs = 160,0 A(L1, L2, L3)
3~
S =111,2 kVAP = 96,8 kWQ = -54,8 kvarIbs = 83,8 A(L1, L2, L3)
3~
S =133,0 kVAP =117,0 kWQ = -63,2 kvarIbs =100,1 A(L1, L2, L3)
3~
S =119,5 kVAP = 95,6 kWQ = -71,7 kvarIbs =100,0 A(L1, L2, L3)
S = 216,9 kVAP = 193,0 kWQ = -98,9 kvarIbs = 181,5 A(L1, L2, L3)
S =158,7 kVAP =139,7 kWQ = -75,4 kvarIbs =119,5 A(L1, L2, L3)
3~
S = 91,6 kVAP = 81,5 kWQ =-41,8 kvarIbs = 7,7 A(L1, L2, L3)
3~
LVMD 1.1A
S =1.221,7 kVAP =1.200,8 kWQ = -224,5 kvarIbs =1.022,2 A
S =1.222,5 kVAP =1.201,5 kWQ = -225,1 kvarIbs =1.022,9 A
S = 93,7 kVAP = 81,5 kWQ =-46,2 kvarIbs = 70,6 A(L1, L2, L3)
3~
S = 298,7 kVAP = 268,8 kWQ =-130,2 kvarIbs = 224,9 A(L1, L2, L3)
3~
S = 68,0 kVAP = 59,1 kWQ =-33,5 kvarIbs = 51,2 A(L1, L2, L3)
3~
S =111,2 kVAP = 96,8 kWQ = -54,8 kvarIbs = 83,8 A(L1, L2, L3)
3~
S = 478,1 kVAP = 425,5 kWQ =-218,0 kvarIbs = 160,0 A(L1, L2, L3)
3~
S =133,0 kVAP =117,0 kWQ = -63,2 kvarIbs =100,1 A(L1, L2, L3)
3~
S =119,5 kVAP = 95,6 kWQ = -71,7 kvarIbs =100,0 A(L1, L2, L3)
S = 91,6 kVAP = 80,6 kWQ =-43,5 kvarIbs = 7,7 A(L1, L2, L3)
3~
S =216,9 kVAP =193,0 kWQ = -98,9 kvarIbs =181,5 A(L1, L2, L3)
S =158,7 kVAP =139,7 kWQ = -75,4 kvarIbs =119,5 A(L1, L2, L3)
3~
S =402,9 kVAP = 48,0 kWQ =400,0 kvarIbs =337,1 A(L1,L2,L3)
LVMD 1.1B
S =1.222,5 kVAP =1.201,5 kWQ = -225,1 kvarIbs =1.022,9 A
1
H
2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 87
G
F
E
D
C
B
A
H
G
F
E
D
C
B
A
9 10 11 12
Project name:
VA1-FLS-100-E-M2-DSL-0600
Client:
Lilama PVN
Design office:
FLSmidth MVT
Planner:
mal-deLocation:
VietnamCreated on:
12/4/09Changed on:
1/5/10
SIMARIS design 5.0.1102
4.6 Explanation of formulaic symbols
Symbol [unit] Description
η Efficiency
ϕ1ph_n [°] Phase angle at Ik1ph_n min/max
ϕ1ph_pe [°] Phase angle at Ik1ph_pe min/max
ϕ1 min/max [°] Phase angle at Ik1 min/max
ϕ2 [°] Phase angle at Ik2min
ϕ3 [°] Phase angle at Ik3 min/max
ϕ3 min/max [°] Phase angle at Ik3 min/max
ϕmotor [°] Phase angle at Ikmotor
Δu [%] Relative voltage drop between the beginning and end of a line section
ΔU [V] Relative voltage drop between the beginning and end of a line section
Δu_tr [%] Relative voltage drop over the transformer winding
ΔU_tr [V] Absolute voltage drop over the transformer win-ding
∑Δu [%] Summated relative voltage drop up to a given point with/without voltage drop over the transfor-mer winding according to the selected settings
∑ΔU [V] Summated absolute voltage drop up to a given point with/without voltage drop over the transfor-mer winding according to the selected settings
∑Δu dyn. [%] Summated relative voltage drop at the starting motor with/without voltage drop over the transfor-mer winding according to the selected settings
∑ΔU dyn. [V] Summated absolute voltage drop at the starting motor with/without voltage drop over the transfor-mer winding according to the selected settings
ai Capacity factor c min/max Minimum/maximum voltage factor in accordance
with IEC 60909-0
cos(ϕ), Power factor F1 The indicated short-circuit current refers to a fault
in the medium-voltage busbar F2 The indicated short-circuit current refers to a fault
at the primary side of the transformer F3 The indicated short-circuit current refers to a fault
at the secondary side of the transformer ftot Reduction factor fn [Hz] Nominal frequency gf Simultaneity factor gi Simultaneity factor I> [A] Phase energizing current of overcurrent module of
DMT relay I> [A] Phase energizing current of high-current module
of DMT relay I2 [A] Conventional fusing current I2t [kA2s] Let-through energy I2t a [kA2s] Let-through energy downstream of the lower
switching device or at the target distribution board / consumer
I2t b [kA2s] Let-through energy upstream of the lower switch-ing device
I2t c [kA2s] Let-through energy downstream of the upper switching device
I2t d [kA2s] Let-through energy at the output distribution board or upstream of the upper switching device
I2t(Ii) [kA2s] Let-through energy of the switching device at the transition to the I-release
I2t(Ikmax) [kA2s] Let-through energy of the switching device in the event of maximum short-circuit current
I2t(Ikmin) [kA2s] Let-through energy of the switching device in the event of minimum short-circuit current
I2t(RCD) [kA2s] Rated let-through energy of RCD I2t(fuse) [kA2s] Let-through energy of fuse
I2t(soll) [kA2s] Let-through energy requirement on the connecting line
I2t value Let-through energy of the switching device at Ik-max from the characteristic curve file
I²tmax(base) [kA2s] Permissible I2t value of the fuse base Ia/In Starting current ratio Ib [A] Operating current Ibb [A] Reactive load current Ibel [A] Load current Ibem [A] Rated set-point current of the switching device Ibs [A] Apparent load current Ibw [A] Active load current Îc value [kA] Cut-off current of the switching device at Ikmax
from the characteristic curve file (instantaneous value)
Ic (fuse) [kA] Cut-off current of the fuse Icm [kA] Rated short-circuit making capacity Icmax (base) [kA] Rated short-circuit current of the fuse base Icn [kA] Rated short-circuit breaking capacity acc. to IEC
60898-1 Icu [kA] Rated ultimate short-circuit breaking capacity acc.
to IEC 60947-2 Icu korr a [kA] Requirement on the rated ultimate short-circuit
breaking capacity downstream of the lower switch-ing device or at the target distribution board (con-trolled short-circuit current)
Icu korr b [kA] Requirement on the rated ultimate short-circuit breaking capacity upstream of the lower switching device (controlled short-circuit current)
Icu korr c [kA] Requirement on the rated ultimate short-circuit breaking capacity downstream of the upper switching device (controlled short-circuit current)
Icu korr d [kA] Requirement on the rated ultimate short-circuit breaking capacity at the output distribution board or upstream of the upper switching device (con-trolled short-circuit current)
Icu(fuse) [kA] Rated ultimate short-circuit breaking capacity - fuse
Icu/Icn [kA] required Required short-circuit breaking capacity for the protective device at the mounting location
Icw 1s [kA] Rated short-time withstand current 1s
Ie [A] Earth energizing current of the DMT relay Ig [A] Setting value of the release for earth fault detec-
tion Igb [A] Total reactive current Igs [A] Total apparent current Igw [A] Total active current IHHmin [A] Minimum tripping current of the high-voltage high-
rupturing capacity fuse Ii [A] Setting value of instantaneous short-circuit (I)-
release Ik1D [kA] 1-pole continuous short-circuit current Ik1max [kA] Maximum 1-pole short-circuit current Ik1max(F1) [kA] Maximum 1-pole short-circuit current in the event
of a fault in the medium-voltage busbar Ik1maxph_n [kA] Maximum 1-pole short-circuit current phase to
neutral conductor Ik1maxph_pe [kA] Maximum 1-pole short-circuit current phase to pro-
tective conductor Ik1max [kA] Minimum 1-pole short-circuit current Ik1min(F2) [kA] Minimum 1-pole short-circuit current in the event
of a fault at the transformer primary side Ik1min(F3) [kA] Minimum 1-pole short-circuit current in the event
of a fault at the transformer secondary side Ik1minph_n [kA] Minimum 1-pole short-circuit current phase to neu-
tral conductor Ik1minph_pe [kA] Minimum 1-pole short-circuit current phase to pro-
tective conductor Ik2min [A] Minimum 2-pole short-circuit current Ik2min(F2) [kA] Minimum 2-pole short-circuit current in the event
of a fault at the transformer primary side Ik2min(F3) [kA] Minimum 2-pole short-circuit current in the event
of a fault at the transformer secondary side Ik3(F3) [kA] 3-pole short-circuit current in the event of a fault at
the transformer secondary side Ik3D [kA] 3-pole continuous short-circuit current Ik3max [kA] Maximum 3-pole short-circuit current Ik3max(F1) [kA] Maximum 3-pole short-circuit current in the event
of a fault in the medium-voltage busbar Ik3min [kA] Minimum 3-pole short-circuit current
Ikmax [A] Maximum short-circuit current of all short-circuit currents
Ikmax a [kA] Maximum short-circuit current downstream of the lower switching device or at the target distribution board (uncontrolled short-circuit current)
Ikmax b [kA] Maximum short-circuit current upstream of the lower switching device (uncontrolled short-circuit current)
Ikmax c [kA] Maximum short-circuit current downstream of the upper switching device (uncontrolled short-circuit current)
Ikmax d [kA] Maximum short-circuit current at the output distri-bution board or upstream of the upper switching device (uncontrolled short-circuit current)
Ikmax/Ikmin Ratio of maximum/minimum short-circuit current Ikmin [A] Minimum short-circuit current of all short-circuit
currents Ikmotor [kA] 3-pole short-circuit current proportion of the motor Ikre Factor of energetic recovery – short-circuit current Imax [A] Maximum rated current of busbar system In [A] Nominal/rated current In (RCD) [mA] Rated current of RCD In (switch) [A] Nominal/rated current of medium-voltage switch-
gear In (fuse) [A] Nominal/rated current of medium-voltage fuse In max [A] Rated device current at 40 °C standard temperatu-
re In zul [A] Permissible switch load according to ambient
temperature In1 [A] Rated current of transformer, primary side In2 [A] Rated current of transformer, secondary side In [A] Rated transformer current at nominal power Ipk [kA] Peak short-circuit current Iq [kA] Conditional rated short-circuit current - motor
starter combination IR [A] Setting value for overload (L)-release Isd [A] Setting value of short-time delayed short-circuit
(S)-release Isel-kurz [A] Calculated selectivity limit value between Ikmin
and Ikmax
Isel-über [A] Calculated selectivity limit value in range less than Ikmin
Iz, Izul [A] Permissible load current of a connecting line IΔn [mA] Rated earth-fault current – RCD protection L Phase L1 Phase 1 L2 Phase 2 L3 Phase 3 max Maximum min Minimum MRPD Machine-readable product designation MV Medium voltage N Neutral conductor LV Low voltage P [kW] Active power, electric PE Protective conductor Pk [kW] Short-circuit losses Pmech [kW] Active power, mechanical Pn [kW] Nominal active power P0, Pv [kW] No-load losses, loss power (active) pz Number of poles, switchgear Q [kvar] Reactive power Qe [kvar] Effective reactive capacitor power Qn [kvar] Nominal reactive power R/X Ratio of resistance to reactance R0 [mΩ] Resistance in the zero phase-sequence system R0 min/max [mΩ] Minimum/maximum resistance in the zero phase-
sequence system R0 N [mΩ] Resistance in the zero phase-sequence system
Phase - N R0 PE(N) [mΩ] Resistance in the zero phase-sequence system
Phase - PE(N)
R0ΔU [mΩ] Resistance in the zero phase-sequence system for the voltage drop
R0/R1 Resistance ratio of zero/positive phase-sequence system
r0ph-n [mΩ/m] Specific active resistance of the zero phase-sequence system for the phase to neutral conduc-tor loop
r0ph-pe(n) [mΩ/m] Specific active resistance of the zero-phase-sequence system for the phase to protective con-ductor loop
r1 [mΩ/m] Specific active resistance of positive phase-sequence system
r1 [%] Related resistance value in the positive phase-sequence system
R1 [mΩ] Resistance in the positive phase-sequence sys-tem
R1ΔU [mΩ] Resistance in the positive phase-sequence sys-tem for the voltage drop
R1 min/max [mΩ] Minimum/maximum resistance in the positive phase-sequence system
Ra+Rb max [mΩ] Sum of resistances of the earth electrode and possibly wired protective conductor between ex-posed conductive part and earth in the IT or TT network
R0 min/max [mΩ] Minimum/maximum loop resistance S [kVA] Apparent power S2K2 Thermal fault withstand capability of the cable
S [kVA] Nominal apparent power SnT [kVA] Nominal apparent power of transformer t> [s] Delay time for the overcurrent module of DMT re-
lay t>> [s] Delay time for the high-current module of DMT re-
lay ta zul (Ii) [s] Permissible switch disconnection time for the set-
ting value of the I-release, without violating the condition k2S2>I2t
ta zul (Ikmax) [s] Permissible switch disconnection time at maxi-mum short-circuit current, without violating the condition k2S2>I2t
ta zul (Ikmin) [s] Permissible switch disconnection time at minimum short-circuit current, without violating the condition k2S2>I2t
ta zul ABS [s] Permissible disconnection time in compliance with DIN VDE 0100-410 (IEC 60364-4-41)
ta zul beeinfl [s] Controlled permissible switch disconnection time ta(min abs) [s] Switchgear disconnection time for disconnect
condition
ta(min kzs) [s] Switchgear disconnection time for short-circuit protection
ta_max [s] Maximum disconnection time of the switchgear to be evaluated
te [s] Delay time of the earth energizing current of the DMT relay
tg [s] Time value of the G-release (absolute) tR [s] Time value of the L-release tsd [s] Time value of the S-release Tu [°C] Ambient device temperature ukr [%] Short-circuit voltage Umax [V] Maximum rated voltage of the busbar system Un [V] Nominal voltage Uprim [kV] Primary voltage Usec [V] Secondary voltage LVSD Low-voltage sub-distribution (system) V Load X0 min/max [mΩ] Minimum/maximum reactance in the zero phase-
sequence system X0 N [mΩ] Reactance of phase-N in the zero phase-
sequence system X0 PE(N) [mΩ] Reactance of phase-PE(N) in the zero phase-
sequence system
X0ΔU [mΩ] Reactance of the zero phase-sequence system for voltage drop, independent of temperature
X0/X1 Reactance ratio of zero/positive phase-sequence system
x0ph-n [mΩ/m] Specific reactive resistance of the zero phase-sequence system for the phase to neutral conduc-tor loop
x0ph-pe(n) [mΩ/m] Specific reactive resistance of the zero-phase-sequence system for the phase to protective con-ductor loop
x1 [mΩ/m] Specific reactive resistance of positive phase-sequence system
X1 [mΩ] Reactance in the positive phase-sequence system X0 min/max [mΩ] Minimum/maximum reactance in the positive
phase-sequence system
X1ΔU [mΩ] Reactance in the positive phase-sequence system for the voltage drop
xd“ [%] Subtransient reactance Xs min/max [mΩ] Minimum/maximum loop reactance Z0 [mΩ] Impedance of zero phase-sequence system Z0 min/max [mΩ] Minimum/maximum impedance in the zero phase-
sequence system
Z0ΔU [mΩ] Impedance in the zero phase-sequence system for the voltage drop
Z1 [mΩ] Impedance of positive phase-sequence system Z1 min/max [mΩ] Minimum/maximum impedance in the positive
phase-sequence system
Z1ΔU [mΩ] Impedance in the positive phase-sequence sys-tem for the voltage drop
Zs Loop impedance Zs min/max Minimum/maximum loop resistance