1.8. COMPACT THREE-PHASE TWO- AND THREE-WINDING OIL-IMMERSED TRANSFORMERS of 110 kV


Type

Rated power, kVA Rated winding voltage, kV Winding
scheme and
connection
group
Type, range and
number of
voltage
regulation steps
Cooling
HV MV LV
ТРДЦН-125000/110-У1 125000 115 - 10,5-10,5 Ynd11d11 OLTC in neutral of HV
±16%, ±9 steps
OFAF
ТДЦТН-125000/110-У1 125000 115 11,0 6,6 Ynd11d11 ONAN/ONAF/OFAF
ТРДЦН-100000/110-У1 100000 115 - 10,5-10,5 Ynd11d11 OFAF
ТДЦТН-100000/110-У1 100000 115 11,0 10,5-10,5 YNyn0d11 OLTC in neutral of
HV
± 16%, ± 9 steps;
NLTC on the MV side
of 34.5 and 38.5 kV
± (2х2,5%)
OFAF
ТРД(ДЦ)Н-80000/110-У1 80000 115 - 10,5-10,5 YNyn0d11 OLTC in neutral of HV
±16%, ±9 steps
ONAF or
OFAF