Standard Ratings
Three Phase 500, 750, 1000, 1500, 2000 and 2500 KVA
Standard Cooling OA/NA,
Standard Winding Temperature Rise 65˚C
Standard High-voltage & insulation level (BIL)
13200 V BIL: 95KV
13800 V BIL: 95KV
14400 V BIL: 95KV
23900GrdY/13800 V BIL: 125KV
24940GrdY/14400 V BIL: 125KV
34500GrdY/19920 V BIL: 150KV
Standard de-energized before operating tap changer
Two - 2½% taps above and below rated voltage
Standard secondary voltage & insulation level (BIL)
The basic insulation level (BIL) of the secondary voltage shall be 30 kV.
480Y/277 V
400Y/231 V
208Y/120 V
240D V
480D V
600Y/347 V
600D V
OTHER VOLTAGES UNDER 1000V