Stationary three-phase two-winding oil-immersed general purpose power transformers.
Transformers without tap-changing, with the cooling system OFAF. These transformers are designed for operation in cooperation with a generator.
|
Type, regulatory document
|
Rated voltage, kV
|
Connection of windings
|
Losses, kW
|
Total Weight, kg
|
|
HV
|
LV
|
no load loss
|
short-circuit loss
|
|
3-phase, OFAF, 250 MVA (СТО 15352615-024-2012)
|
347
|
13,80; 15,75
|
Yн/D-11
|
214
|
605
|
***
|
Transformers with on-load tap changer on the HV neutral, the range of tap-changing ± 12% x 1%, with the ONAF, OFAF cooling system.
|
Type, regulatory document
|
Rated voltage, kV
|
Connection of windings
|
Losses, kW
|
Total Weight, kg
|
|
HV
|
LV
|
no load loss
|
short-circuit loss
|
|
3-phase, OLTC, ONAF, Split-winding, auxiliary, 40 MVA (СТО 15352615-024-2012)
|
330
|
6,3-6,3; 10,5-10,5; 10,5-6,3
|
YH/D-D
|
80
|
80
|
***
|
|
3-phase, OLTC, OFAF, Split-winding, 63 MVA (СТО 15352615-024-2012)
|
330
|
6,3-6,3; 10,5-10,5; 10,5-6,3
|
YH/D-D-11-11
|
100
|
230
|
***
|
|
3-phase, OLTC, OFAF, Split-winding, 125 MVA (СТО 15352615-024-2012)
|
330
|
6,3-6,3; 10,5-10,5; 10,5-6,3
|
Yn/D-D-11-11
|
80
|
380
|
168300
|
*** According to the design documents on the results of acceptance tests.
