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Home > Products > 35–150 kV oil-immersed power transformers for mobile substations > TMNP-2500–6300-U1 (UHL1) type two-winding power transformers, skid-mounted

TMNP-2500–6300-U1 (UHL1) type two-winding power transformers, skid-mounted

product
Power transformer, three-phase, two-winding, with natural oil circulation, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for use in electric power transmission systems, ensuring minimized transmission losses in power lines. Skid-mounted (mobile) design. TMNP-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, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for use in electric power transmission systems, ensuring minimized transmission losses in power lines. Skid-mounted (mobile) design. TMNP-type transformers ensure reliable power supply throughout their service life.

Power range

Rated power range: 2500–6300 kVA
HV winding rated voltage: 35 kV
Climatic category: U1 or UHL1

Transformer symbols

Т – Three-phase transformer
М – Oil-immersed cooling with natural oil and air circulation
N – On-load tap changer (OLTC)
P – Skid-mounted (mobile) design
Х – Rated power, kVA.
35 – Voltage class HV, kV.
U1 or UHL1 – Climatic category and installation type in accordance with GOST 15150

Characteristic

Main technical characteristics for TMNP-2500–6300/35-U1 (UHL1) type transformers
Transformer type
Rated power, kVA
Rated voltage, kV
Winding connection diagramand 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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Power transformer, three-phase, two-winding, with natural oil circulation, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for use in electric power transmission systems, ensuring minimized transmission losses in power lines. Skid-mounted (mobile) design. TMNP-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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