1.6. THREE-PHASE THREE-WINDING OIL-IMMERSED TRANSFORMERS of 110 and 220 kV


Type

Rated capacity, kVA Rated winding voltage, kV Type, range and
number of

voltage
regulation
steps
Winding
scheme and
connection
group
Cooling
HV MV LV


ТДТН-10000/110-У1


10000


115

16,5; 22,0


6,6; 11,0

OLTC in neutral of
HV ± 16%, ± 9 steps;
NLTC on MV side
34,5 и 38,5 кВ
± (2х2,5%)
Ynd11d11 ONAF
34,5; 38,5 YNyn0d11


ТДТН-16000/110-У1


16000


115

22,0


6,6; 11,0

Ynd11d11
34,5; 38,5 YNyn0d11


ТДТН-25000/110-У1


25000


115

11,0 6,6 OLTC in neutral of
HV ± 16%, ± 9 steps
Ynd11d11
22,0 6,6; 11,0
34,5; 38,5 6,3;6,6; 11,0 YNyn0d11
ТДТНЖ-25000/110-У1 25000 115 27,5 6,6; 11,0 Ynd11d11


ТДТН-25000/110-У1(ХЛ1)


25000


115

11,0 6,6 OLTC in neutral of
HV ± 16%, ± 9 steps;
NLTC on MV side
34,5; 38,5 ; 36 кВ
± (2х2,5%)


Ynd11d11

22,0 6,6; 11,0
34,5; 38,5 6,3; 6,6; 11,0 YNyn0d11
ТДТН-25000/110-ХЛ1 25000 115 38,5 6,6


ТДТН-40000/110-У1


40000


115

10,5 6,3


Ynd11d11

11,0 6,6
22,0 6,6; 11,0
34,5; 38,5 6,6; 11,0 YNyn0d11
36 10,5 Yy0d11
ТДТНЖ-40000/110-У1 40000 115 27,5 6,6; 11,0 OLTC in neutral of
HV ± 16%, ± 9 steps
Ynd11d11


ТДТН-63000/110-У1


63000


115

11,0 6,6 OLTC in neutral of
HV ± 16%, ± 9 steps;
NLTC on MV side
34,5 и 38,5 кВ
± (2х2,5%)
Ynd11d11
38,5 6,6; 11,0 YNyn0d11
ТДЦТН-63000/110-У1 63000 115 34,5 6,6; 11,0 YNyn0d11 OFAF
ТДТН-80000/110-У1 80000 115 38,5 6,6; 11,0 YNyn0d11 ONAF


ТДЦТН-80000/110-У1


80000


115

11,0 6,6; 6,94 OLTC in neutral of
HV ± 16%, ± 9 steps
Ynd11d11


OFAF

22,0; 38,5 11,0 YNyn0d11


ТДЦТН-100000/220-У1

100000/

70000/

30000


230


22,0


10,5

OLTC in neutral of
HV ± 10% (± 10
steps)


YNyn0d11

ONAN / ONAF/
OFAF

100000/

83000/

100000


230


22,0


11,0

OLTC in neutral of
HV ± 8 х 1,5%;
NLTC on MV side ±
2х2,5%


OFAF

ТДЦТН-125000/220-У1

125000/

83000/

125000


230


22,0


11,0