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Home > Products > Power transformers for railway infrastructure, voltage classes 10, 110, and 220 kV > Transformers type ТДТНЖ-16000÷40000 /220/27,5/11 for electrified railways, AC

Transformers type ТДТНЖ-16000÷40000 /220/27,5/11 for electrified railways, AC

product
The ТДТНЖ transformer is a power, three-phase, three-winding, bell-type transformer with natural oil and air circulation, designed for railways, with ratings of 16000, 25000, 40000 kVA. Transformers with ratings from 25000 kVA are manufactured with bell-type tanks. These transformers are intended for supplying AC electrified railways. Main technical parameters and manufacturing of transformers are according to ГОСТ Р 51559.
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Description

The ТДТНЖ transformer is a power, three-phase, three-winding, bell-type transformer with natural oil and air circulation, designed for railways, with ratings of 16000, 25000, 40000 kVA. Transformers with ratings from 25000 kVA are manufactured with bell-type tanks. These transformers are intended for supplying AC electrified railways. Main technical parameters and manufacturing of transformers are according to ГОСТ Р 51559.

Power range

HV winding – 220 kV
MV winding – 27.5 (38.5) kV
LV winding – 6.6; 11 (27.5) kV

Transformer symbols

Т – Three-phase transformer
Д – With natural oil and forced air circulation
Т – Three-winding
Н – With on-load voltage regulation (РПН)
Ж – For supplying AC electrified railways
Х – Rated power, kVA
220 – HV voltage class, kV
У1 or УХЛ1 – Climatic design and installation category according to ГОСТ 15150

Characteristic

Основные технические характеристики
Наименование параметра
Значение
Номинальная мощность, кВA
16000 25000
40000
Потери холостого хода, кВт
29
39
54
Потери короткого замыкания, кВт
115
160
220
Ток холостого хода, %
0,6
0,5
0,4
Напряжение короткого замыкания ВН-СН, %
12,5
12,5
12,5
Напряжение короткого замыкания ВН-НН, %
20
20
20
Напряжение короткого замыкания СН-НН, %
7,5
7,5
7,5
Габаритные размеры, мм
L - длинна 9000 9000 9000
B - ширина 5000 5150 5350
Н - высота 7350 7350 7350
Масса масла, кг 25000 30000 30000
Масса отправочная, кг 76500 85000 93500
Масса полная, кг 90000 100000 110000

Dimensional drawings

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The ТДТНЖ transformer is a power, three-phase, three-winding, bell-type transformer with natural oil and air circulation, designed for railways, with ratings of 16000, 25000, 40000 kVA. Transformers with ratings from 25000 kVA are manufactured with bell-type tanks. These transformers are intended for supplying AC electrified railways. Main technical parameters and manufacturing of transformers are according to ГОСТ Р 51559.
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Tusov Artem Aleksandrovich
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