PT.
BAMBANG DJAJA
Jl. RUNGKUT INDUSTRI III/56 SURABAYA, INDONESIA, Fax. No. : (031) 8438350 - Telex
33295 BD SB IA Phone : (031) 8438703 (Hunting), 8438470, 8439688, 8414058
TRANSFORMER
INSPECTION TEST PLAN
Prepared by:
PT Bambang Djaja
(Nur Aswan Darwis)
PT.BAMBANG DJAJA
Jl. RUNGKUT INDUSTRI III/56 SURABAYA, INDONESIA, Fax. No. : (031) 8438350 - Telex
33295 BD SB IA Phone : (031) 8438703 (Hunting), 8438470, 8439688, 8414058
TRANSFORMER
INSPECTION TEST PLAN
Manufacturer : B & D
No Tests/Insp Standard/ Activity/requirement Acceptance Inspection Scope
Item Reference
B&D PT Wasa PT Rekadaya
Mitra Elektrika
Engineering
Routine Test
1 Resistance IEC 60076 Performed on nominal tap P F/W F/W
measurement
2 Phase relation IEC 60076 P F/W F/W
(vector group)
test
3 Turn Ratio test IEC 60076 Performed on all position P F/W F/W
4 Insulation MFG STD Performed between: P F/W F/W
resistance HV - LV
HV – G
LV – G
5 No load losses IEC 60076 Performed on nominal tap P F/W F/W
and excitation position
current Under guaranteed value at
( magnetizing rated KVA
PT.BAMBANG DJAJA
Jl. RUNGKUT INDUSTRI III/56 SURABAYA, INDONESIA, Fax. No. : (031) 8438350 - Telex
33295 BD SB IA Phone : (031) 8438703 (Hunting), 8438470, 8439688, 8414058
TRANSFORMER
current test)
6 Impedance IEC 60076 On nominal position P F/W F/W
voltage and Full Load Loss under
load losses guaranteed value at rated
( Positive kVA
sequence Calculation based on 75
impendance deg C
test)
7 Applied voltage IEC 60076 Duration: 1 minutes P F/W F/W
test Primary (BIL - kV ) :
Secondary (BIL -) :
8 Induce voltage IEC 60076 Two time of rated Voltage 200 P F/W F/W
test HZ, 30 seconds
9 Dielectric test IEC 60156 Rate of rise voltage P F/W F/W
for Oil 500V/sec
Mushroom electrode
10 Leak test MFG STD 0,5 Bar positive pressure P F/W F/W
24 hour
Site Test
1 Cek urutan P F/W F/W
Phasa
2 Insulation MFG STD Performed between: P F/W F/W
resistance HV - LV
HV – G
LV – G
Type Test (between B&D and User) - >4000kVA Transformers Only
PT.BAMBANG DJAJA
Jl. RUNGKUT INDUSTRI III/56 SURABAYA, INDONESIA, Fax. No. : (031) 8438350 - Telex
33295 BD SB IA Phone : (031) 8438703 (Hunting), 8438470, 8439688, 8414058
TRANSFORMER
1 Audible sound IEC 60076 Peformed on Nominal Voltage Max 64 dB (0.3 m ONAN) P F/W F/W
pressure level
2 Temperature IEC 60076 Perform on Maximal Tap Oil Temperature Rise P F/W F/W
Test Winding Temperature
Rise
3 Lightning IEC 60076 Perform lightning impulse 20000V 125kV BIL P F/W F/W
Impulse Test over voltage to each 11000V 60kV BIL
terminal base on it BIL
Legend:
F = Inspect Within FAT P = Perform R = Review
SW = Spot Witness Inspection X = not applicable M = Monitoring
W = Witness inspection S = Submit