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Home > Products > 35 kV oil-immersed power transformers > TDNS-10000–16000/35-U1 (UHL1) type two-winding power transformers with on-load tap changer (OLTC), energy-efficient, with reduced losses

TDNS-10000–16000/35-U1 (UHL1) type two-winding power transformers with on-load tap changer (OLTC), energy-efficient, with reduced losses

product
Power transformer, three-phase, two-winding, with natural oil circulation and forced air cooling, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for auxiliary power supply systems of power plants. TDNS-type transformers ensure reliable power supply throughout their service life.
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Description

Power transformer, three-phase, two-winding, with natural oil circulation and forced air cooling, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for auxiliary power supply systems of power plants. TDNS-type transformers ensure reliable power supply throughout their service life.

Power range

Rated power range: 10,000÷16,000 kVA.
HV winding rated voltage: 36.75; 35 kV.
Climatic category: U1 or UHL1.


Transformer symbols

T – Transformer
D – Natural oil circulation and forced air cooling
N – On-load tap changer (OLTC)
S – Designed for auxiliary power systems of power plants
H – Rated power, kVA.
35 – Voltage class, kV.
U1 or UHL1 – Climatic category and installation type in accordance with GOST 15150


Characteristic

Каталог.cdr


Technical characteristics for TDNS-10000÷16000/35-U1(UHL1) type tranformers, energy-efficient,with reduced losses

Transformer type

Rated power, kVA

Rated voltage, kV Winding connection diagram and vector group

Losses, kW

Short-circuit voltage, %

No-load current, %

HV LV

No-load

 Short-circuit 

TDNS-10000/35 

 10000 36,75 10,5; 6,3 Yn/D-11

11,5

60,0

8,0

0,75

TDNS-16000/35 

 16000 36,75 10,5; 6,3 Yn/D-11

17,0

85,0

10

0,70

Overall and Mounting Dimensions

Overall dimensions of TDNS-10000–16,000/35-U1 (UHL1) type transformers
Transformer
type 		Overall dimensions, mm        Weight, kg
L 
B
H
H1
H2
H3
A N K Total Transport Oil
TDNS-10000/35  
4125
3265
3685
1935
550
995
1524
1000
300 19430 16260 4100
TDNS-16000/35 
4470
3415
3922
135
585
850
1524
1000
400 26000 22145 5250

Dimensional drawings

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Power transformer, three-phase, two-winding, with natural oil circulation and forced air cooling, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for auxiliary power supply systems of power plants. TDNS-type transformers ensure reliable power supply throughout their service life.
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Tusov Artem Aleksandrovich
Deputy Director for Marketing and Sales

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