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Home > Products > Oil-immersed power transformers, voltage class 110–150 kV > Two-winding power transformers with РПН, type ТДН-10000÷40000/110-У1(УХЛ1)

Two-winding power transformers with РПН, type ТДН-10000÷40000/110-У1(УХЛ1)

product
The power transformer is a three-phase, double-winding type with natural oil circulation and forced air circulation, equipped with an on-load tap changer (РПН). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a ТДН-type transformer ensures reliable power supply to the consumer throughout the entire service life.
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Description

The power transformer is a three-phase, double-winding type with natural oil circulation and forced air circulation, equipped with an on-load tap changer (РПН). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a ТДН-type transformer ensures reliable power supply to the consumer throughout the entire service life.

Power range

Power range: 10000÷40000 kVA
Climatic design: У1 or УХЛ1

Transformer symbols

Т – three-phase transformer
Д – natural oil circulation and forced air cooling
Н – on-load voltage regulation (РПН)
Х – rated power, kVA
110 – HV voltage class, kV
У1 or УХЛ1 – climatic design and placement category according to ГОСТ 1515

Characteristic

Technical Specifications of ТДН-10000÷40000/110-У1(УХЛ1) Transformers
Transformer type
Rated power, kVA
Rated voltage, kV
Winding connection scheme and vector group
Losses, kW
Short-circuit voltage, %
No-load current, %
HV LV No-load
Short-circuit
ТДН-10000/110
10000
115
6,6; 11
Ун/Д-11
14
58
10,5
0,5
ТДН-16000/110
16000
115
6,6; 11
Ун/Д-11
11
85
10,5
0,3
ТДН-25000/110
25000
115
6,6; 11
Ун/Д-11
25
120
10,5
0,3
ТДН-40000/110
40000
115
6,6; 11
Ун/Д-11
34
170
10,5
0,2

Overall and Mounting Dimensions

Overall Dimensions of TDN-10000÷40000/110-U1(UHL1) Transformers
Parameter name
Value
Transformer type
ТДН
Rated power, kVA
10000
 16000 25000 40000
Rated high-voltage (HV) winding voltage, kV
115
Rated low-voltage (LV) winding voltage, kV
6,6; 11,0
Winding connection scheme and vector group
Ун/Д-11 
Overall dimensions, mm
L – length
4900
 5450 6185 6100
B – width
3100 3325 3570 4210
H – height 4750 4950 5375 5235
h – HV terminal height 1951 1850 1931 1560
h1 – LV terminal height 551 590 599 591
Distance between HV terminals (A) 1321 1120 1180 1200
Distance between LV terminals (a) 400 400 700 700
Oil mass, kg 8050 11200 15000 13600
Transport weight, kg 24300 33400 47805 51265
Total weight, kg 28410 38025 55880 60930

Dimensional drawings

print
The power transformer is a three-phase, double-winding type with natural oil circulation and forced air circulation, equipped with an on-load tap changer (РПН). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a ТДН-type transformer ensures reliable power supply to the consumer throughout the entire service life.
Get the cost
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Tusov Artem Aleksandrovich
Deputy Director for Marketing and Sales

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