SAFETY FIRST

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Operation and Maintenance Instruction Manual

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- 90 15

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3

1 3 10-160 kVA 250 kVA

3 50-250 kVA 2000 kVA

3 315-2000kVA

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NAME PLATE

, , , , ,

kVA

FAC.SER.NO,SERIAL NO.

PHASE 1 3

FREQUENCY 50 60

TYPE ONAN

CLASS A

PRI .VOLT

SEC.VOLT

PRI.AMP

SEC.AMP

PERCENT IMP

OIL TEMP RISE

100 %

OIL QTY.(L) ( )

LIFTNG WT.(kg) ( )

TOTAL WT.(kg) ( )

DATE

CONNEECATION DIAGRAM

VECTOR DIAGRAM

H.V.SIDE POS. CONNECTION

L.V.SIDE TERMINAL VOLAGE

TRANSFORMER MAINTENANCE

6 1

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24

69 kV,115kV,230kV,500kV 3 3 50 Hz

12000,24000,69000,115000 230000 416/240 3 4 50 Hz

22000,33000 115000 400/230 1 2 , 1 3 3 4 50 Hz

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TRANSFORMER CONSTRUCTION

ITEM DESCRIPTION

1 CORE

2 HV.COLI

3 LV.COIL

4 CORE CLAMP(LOWER)

5 CORE CLAMP(UPPER)

6 HV.BUSHING

7 LV.BUSHING

8 OFF LOAD TAP CHANGER

9 LV. BUSBAR

10 STUD & NUT COVER SUPPORT

11 CRAPE PAPER

12 HV. CABLE

13 TAP LEAD

14 BASE CLAMP

ITEM DESCRIPTION 1 NAMEPLATE WITH CONNECTION DIAGRAM 2 H.V.BUSHING WITH TERMINAL CONNECTOR 3 L.V. BUSHING WITH TERMINAL CONNECTOR 4 TANK 5 TAP CHANGER 6 EARTH TERMINAL 7 OIL DRAIN VALVE 8 LIFING EYE FOR COVER 9 DEHYDRATING BREATHER SILICAGER 10 OIL FILLING CAP 11 LOGO 12 SUB BASE 13 CORRUGATED FIN 14 CONSERVATOR TANK 15 THERMOMETER POCKET 16 OIL LEVEL GAUGE 17 BIRD GUARD CAP 18 ARCING HORN 19 PIPE FPR DRAIN PLUG

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1 ( Bushing ) - -

1.1 -

1.2 - -

1.3

2 (Connector) - -

1.1 -

1.2 -, -

1.3

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3 - -

(Tap Changer ) -

4 - -

( Oil Level) -

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5 - -

(Pressure Relief )

6 - -

(Buchholz Relay )

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7 -

(Thermometer) -

7.1 - -

7.2 60 C -

8 - - ( Drain Valve ) - - - -

9 -

( Ground )

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10 - -

(Gasket) -

11 - -

( Leakage )

12 - -

(Dehydrating ) -

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13 Megger - ( Insulation Resistance ) -

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14 - - -

( Dielectric Strength )

15 - - - 11-12 .. 85

(Arcing Horn ) - 22-24 .. 155

- 33 .. 220