Potential Transformers
Discription:
PT 3.3Kv | PT 6.6Kv | PT 11Kv | PT 33Kv | PT 22Kv 3 Phase | |
Type | Star/Star PT | ||||
Rated Voltage | 3.3Kv | 6.6Kv | 11Kv | 33Kv | 22Kv (Phase to Phase) |
Rated Secondary Voltage – Star | 110V/1.732 | 110V/1.732 | 110V/1.732 | 110V/1.732 | 110V (Phase to Phase) |
Rated Secondary Voltage – Delta | 110V | 110V | 110V | 110V | |
Burden | 100VA | 100VA | 100VA | 100VA | 100VA at 0.8 Pf Lag |
Class of Accuracy – Metering | 0.1/0.2/0.5/1.0/3.0 | 0.1/0.2/0.5/1.0/3.0 | 0.1/0.2/0.5/1.0/3.0 | 0.1/0.2/0.5/1.0/3.0 | 0.2 |
Class of Accuracy – Protection | 3P/6P | 3P/6P | 3P/6P | 3P/6P | |
Nominal System Voltage | 3.3Kv | 6.6Kv | 11Kv | 33Kv | 22Kv |
Highest System Voltage | 3.6Kv | 7.2Kv | 12Kv | 36Kv | 24Kv |
Rated Voltage Factor | 1.2 Continuous 1.5 for 30 Seconds |
1.2 Continuous 1.5 for 30 Seconds |
1.2 Continuous 1.5 for 30 Seconds |
1.2 Continuous 1.5 for 30 Seconds |
1.2 Continuous 1.5 for 30 Seconds |
Insulation Level | 10/20Kv | 20/40Kv | 28/60Kv | 70/170Kv | 54/125Kv |
Frequency | 50Hz | 50Hz | 50Hz | 50Hz | 50Hz |
Transformer Cooling | Resin/Oil Cooled | Resin/Oil Cooled | Resin/Oil Cooled | Resin/Oil Cooled | Oil Cooled |
Maximum Ambient Temp | <= 45 Degree | <= 45 Degree | <= 45 Degree | <= 45 Degree | <= 55 Degree |
IS/IEC Standard | IS 3156 | IS 3156 | IS 3156 | IS 3156 | IS 3156 |