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Home > Products > 35 kV oil-immersed power transformers > TMN-1,000–10,000/35-U1 (UHL1) type two-winding power transformers with on-load tap changer (OLTC).

TMN-1,000–10,000/35-U1 (UHL1) type two-winding power transformers with on-load tap changer (OLTC).

product
Power transformers, 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 long-distance power transmission systems, ensuring minimal transmission losses in power lines. TMN-type transformers ensure reliable power supply throughout their service life.
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Description

Power transformers, 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 long-distance power transmission systems, ensuring minimal transmission losses in power lines. TMN-type transformers ensure reliable power supply throughout their service life.

Power range

Rated power range: 1,000–10,000 kVA
HV winding rated voltage: 35 kV
OLTC regulation range (HV side): ±4 × 2.5%
Climatic category: U1 / UHL1

Transformer symbols

Т – Transformer
M – Oil cooling with natural oil and air circulation
N – On-load tap changer (OLTC)
Х – Rated power, kVA
35 – Voltage class, kV
U1 or UHL1 – Climatic category and installation type in accordance withGOST 15150

Characteristic

Technical characteristics for TMN-1,000–10,000/35-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 losses
Short-circuit losses
ТМН-1000/35
1000
35
11; 6
У/Д-11
2,1
11,6
6,5
1,2
ТМН-1600/35
1600
35
11; 6
У/Д-11
2,9
16.5
6,5
1,0
ТМН-2500/35
2500
35
11; 6
У/Д-11
4.1
23,5
6,5
0,8
ТМН-4000/35
4000
35
11; 6
У/Д-11
5,6
33,5
7,5
0,5
ТМН-6300/35
6300
35
11; 6
У/Д-11
8,0
46,5
7,5
0,3
ТМН-10000/35
10000
35
11; 6
Ун/Д-11
10,2
47,8
8
0,7

Overall and Mounting Dimensions

  Overall dimensions of TMN-1,000–10,000/35-U1 (UHL1) type transformers
Transformer type
Dimensions, mm
Weight, kg
L B H H1 H2 H3 M N K b b1 A Total Transport Oil
ТМN-1000/35
2780
 1575
 2750
 1510
 280
 710
 200
 400
 200
 190 235 1070 4700 4540 1320
TМN-1600/35
3100
 1865
 3015
 1700
 280
 710
 200
 400
 200
 190 235 1070 5535 5130 1640
TMN-2500/35
3095 2701
 2820
 1520
 322
 865
 200
 460
 200
 270 240 1070 7300 5460 1900
ТМN-4000/35
3115
 3190
 3600
 2140
 322
 865
 240
 400
 240
230 285 1594 10650 7880 2650
ТМN-6300/35
3460
 3252
 3300
 1856
 322
 865
 300
 510
 240
310 290 1594 12715 9690 3000
ТМN-10000/35
4125
 3260
 3702
 1935
 490
 620
 300
 500
 200
 395 390 1594 20700 17035 4300

Dimensional drawings

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Power transformers, 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 long-distance power transmission systems, ensuring minimal transmission losses in power lines. TMN-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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