1.7 MV TRANSFORMERS AND AUXILIARY TRANSFORMERS
Type |
Rated power, kVA | Rated winding voltage, kV | Type, range and number of voltage regulation steps |
Winding scheme and connection group |
Cooling |
||
| HV | LV | ||||||
| ТДТНМ-40000/63000/110-У1 | 40000/ 63000 |
115 | 38,5 | 6,6 | OLTC in neutral of HV ± 16%, ± 9 steps; NLTC on the MV side of 34.5 and 38.5 kV ± (2х2,5%) |
Ynd11d11 | ONAF |
| ТДТНМ-63000/110-У1 | 63000 | 115 | 38,5 | 6,6 | YNyn0d11 | ||
| ТДНМ-63000/100000/110-У1 | 63000 / 100000 |
115 | - | 38,5 | OLTC in neutral of HV ±16%, ±9 steps |
Ynd11 | |
| ТРДНМ-63000/100000/220-У1 | 63000 / 100000 |
230 | - | 11,0-11,0 | OLTC in neutral of HV ± 12% (± 12 steps) |
Ynd11d11 | |
| ТДЦНМ-100000/160000/220-У1 | 100000 / 160000 |
230 | - | 38,5 | OLTC in neutral of HV ± 12% (± 8 steps) |
Ynd11 | OFAF |
| ТДЦНМ-100000/200000/220-У1 | 100000 / 200000 |
230 | - | 38,5 | Ynd11 | ||
| ТДЦНМ-160000/250000/220-У1 | 160000 / 250000 |
230 | - | 38,5 | Ynd11 | ||
| ТДЦНМ-160000/320000/150-У1 | 160000 / 320000 |
158 | - | 38,5 | Ynd11 | ||