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We have the infrastructure and expertise to manufacture oil filled Power Transformers up to 150 MVA 220 kV class according to customer specifications.
Applications: Power generation
Power transmission
Power distribution
Enterprise loadsFeatures & Benefits: Long history of quality Power Transfomer manufacturing dating to 1950's
Vector group Dyn11, YNd11, Ynyn0
External OLTC upto 33 kV, internal OLTC for 66 kV & above
Volume manufacturing
Inhouse design & engineering expertise
Fast lead times
Meets IEC / ANSI / BS standardsStandard fittings: Rating & diagram plate
Lifting lugs
Off circuit / On load tap changer
Earthing terminals
Thermometer pocket
Pressure relief valve
Inspection cover
Oil level indicator
Drain cum sampling valve
Filter valve
Air release plug
Silica gel breather Optional Fittings: RTDs for winding temperature measurement
WTI, OTI with remote indication
Low iron & copper losses as per CBIP publication No. 295
Explosion vent
OCTC on primary side
RTCC & AVR
Unidirectional / Bidirectional rollers Standard Specifications:
Capacity (kVA) |
Voltage Ratio (kV) |
NLL (W) |
LL @ 750C (W) |
% Impedance @ 750C |
3150 |
11/0.433 |
4000 |
22500 |
6.25 |
4000 |
11/0.433 |
5000 |
27000 |
7.15 |
5000 |
11/0.433 |
6000 |
32000 |
7.15 |
6300 |
11/0.433 |
7000 |
40000 |
7.15 |
1000 |
33/11 |
2200 |
11500 |
5.0 |
1600 |
33/11 |
3000 |
16000 |
6.25 |
3150 |
33/11 |
4500 |
23000 |
6.25 |
4000 |
33/11 |
5500 |
29000 |
7.15 |
5000 |
33/11 |
6500 |
34000 |
7.15 |
6300 |
33/11 |
7500 |
43000 |
7.15 |
8000 |
33/11 |
8500 |
50000 |
8.35 |
10000 |
33/11 |
10000 |
57000 |
8.35 |
6300 |
66/11 |
9500 |
48000 |
8.35 |
8000 |
66/11 |
10000 |
55000 |
8.35 |
10000 |
66/11 |
12000 |
65000 |
8.35 |
12500 |
66/11 |
13000 |
80000 |
8.35 |
20000 |
66/11 |
17000 |
105000 |
10.0 |
Please contact us for Power Transformers with different specifications than those listed above.
For Transformers above 20000 kVA to 150000 kVA and Voltage class above 66 kV to 245 kV, specifications and offer shall be provided as per customers request.
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