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Home > Products > Oil-immersed power transformers for mobile substations, voltage class 35–150 kV > Power transformers, two-winding, movable on skids, type TMNP-2500÷6300-U1(UHL1)

Power transformers, two-winding, movable on skids, type TMNP-2500÷6300-U1(UHL1)

product
Three-phase, two-winding power transformers with natural oil circulation and on-load tap changer (OLTC). Automatic control is performed via an automatic controller supplied with the transformer. Designed for operation in power transmission systems, ensuring minimal electrical losses in transmission lines. Transformers are movable on skids. Use of the TMNP type transformer ensures reliable power supply to the consumer throughout the service life.
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Description

Three-phase, two-winding power transformers with natural oil circulation and on-load tap changer (OLTC). Automatic control is performed via an automatic controller supplied with the transformer. Designed for operation in power transmission systems, ensuring minimal electrical losses in transmission lines. Transformers are movable on skids. Use of the TMNP type transformer ensures reliable power supply to the consumer throughout the service life.

Power range

Power range: 2500–6300 kVA
HV winding voltage: 35 kV
Climatic version: U1 or UHL1

Transformer symbols

Т – Three-phase transformer.
М – Oil cooling with natural oil and air circulation.
N – On-load tap changer (OLTC).
P – Movable on skids.
Х – Rated power, kVA.
35 – Voltage class HV, kV.
U1 or UHL1 – Climatic version and placement category according to ГОСТ 15150.

Characteristic

Main Technical Specifications of TMNP-2500÷6300/35U1 (UHL1) 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
TMNP-2500/35
2500
35
11; 6,3
Yn/D-11
4,1 23,5
6,5
0,8
TMNP-4000/35
4000
35
11; 6,3
Yn/D-11
5,6
33,5
6,5
0,5
TMNP-6300/35
6300
35
11; 6,3
Yn/D-11
8,0
46,5
7,5
0,3

Overall and Mounting Dimensions

Overall Dimensions of Transformers
Transformer type
Overall dimensions, mm
Weight, kg
L B H H1 H2 H3 N K b b1 Total Transport Oil
TMNP-2500/35
 3200
 2300 3330 2020 280 723 400 200 280 205 9145 7700 2120
TMNP-4000/35
3400 3190 3550 2390 275 723 400 240 285 230 11498 9418 2980
TMNP-6300/35
4200 3230 3800 2660 275 723 400 240 310 260 14995 11505 3300

Dimensional drawings

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Three-phase, two-winding power transformers with natural oil circulation and on-load tap changer (OLTC). Automatic control is performed via an automatic controller supplied with the transformer. Designed for operation in power transmission systems, ensuring minimal electrical losses in transmission lines. Transformers are movable on skids. Use of the TMNP type transformer ensures reliable power supply to the consumer throughout the service life.
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Tusov Artem Aleksandrovich
Deputy Director for Marketing and Sales

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