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Home > Products > Oil-immersed transformers, voltage class 6–10 kV > Three-phase oil distribution transformers, type ТМГ

Three-phase oil distribution transformers, type ТМГ

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Power transformers, three-phase, double-wound hermetically sealed, with natural oil cooling. The transformers are designed for converting electrical energy in the networks of the electricity consumers' power systems. The transformer windings are made in aluminum and copper versions, both from winding wires and foil. The transformer windings are round and oval in shape.
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Description

Power transformers, three-phase, double-wound hermetically sealed, with natural oil cooling. The transformers are designed for converting electrical energy in the networks of the electricity consumers' power systems. The transformer windings are made in aluminum and copper versions, both from winding wires and foil. The transformer windings are round and oval in shape.

Power range

Каталог.cdr

Power range: 25÷2500 kVA.
Primary winding voltage High Voltage HV:  6(10) kV.
Voltage regulation On-load tap changer ПБВ from High Voltage HV side: ±2x2.5%.
Climatic version: У1; УХЛ1; Т1.

Transformer symbols

ТМГ – Three-phase oil transformer.
Х – Rated power, kVA.
6 (10) – Voltage class, kV.
У1 – Climatic version and placement category according to ГОСТ 15150.

Characteristic

Каталог.cdr


Technical Specifications of ТМГ Transformers with 25÷2500 kVA Rated Power and Standard Losses
Rated power, kVA
Type
Rated voltage, kV
Winding connection scheme and vector group
Losses
Short-circuit voltage, %
No-load current, %
No-load, W
Short-circuit, W
25 ТМГ-25 6 (10)/0,4 У/Ун-0; Д/Ун-11
 120
 600
 4 2,0
40 ТМГ-40 6 (10)/0,4 У/Ун-0;  Д/Ун-11
 160 900 4 1,8
63 ТМГ-63 6 (10)/0,4 У/Ун-0;  Д/Ун-11
 220 1280 4 1,6
100 ТМГ-100 6 (10)/0,4 У/Ун-0; Д/Ун-11
 280 1970 4 1,4
160 ТМГ-160 6 (10)/0,4 У/Ун-0;  Д/Ун-11
 450 2700 4 1,2
250 ТМГ-250 6 (10)/0,4 У/Ун-0;  Д/Ун-11
 610 3800 4 1,0
400 ТМГ-400 6 (10)/0,4 У/Ун-0; Д/Ун-11
 780 5600 4 0,8
630 ТМГ-630 6 (10)/0,4 У/Ун-0; Д/Ун-11 1070 8300 5 0,6
1000 ТМГ-1000 6 (10)/0,4 У/Ун-0; Д/Ун-11 1470 12200 5 0,4
1250 ТМГ-1250 6 (10)/0,4 У/Ун-0; Д/Ун-11 1740 15000 6 0,3
1600 ТМГ-1600 6 (10)/0,4 У/Ун-0; Д/Ун-11 1700 18000 6 0,25
2500 ТМГ-2500 6 (10)/0,4 У/Ун-0; Д/Ун-11 2500 28000 7 0,2



Technical Specifications of TMG Transformers with 25÷2500 kVA Rated Power and Reduced Losses
Rated power, kVA
Rated voltage, kV
Winding connection scheme and vector group
Losses
Short-circuit voltage, %
No-load current, %
No-load, W
Short-circuit, W
25
6 (10)/0,4
У/Ун-0;  Д/Ун-11; У/Zн-11
100 540 4 3,5
40
6 (10)/0,4
У/Ун-0;  Д/Ун-11; У/Zн-11
125
850 4 3,0
63
6 (10)/0,4
У/Ун-0;  Д/Ун-11; У/Zн-11
200
1160 4 2,5
100 6 (10)/0,4
У/Ун-0;  Д/Ун-11; У/Zн-11
250
1750 4 2,0
160
6 (10)/0,4
У/Ун-0;  Д/Ун-11; У/Zн-11
375
2350 4 1,5
250
6 (10)/0,4
У/Ун-0;  Д/Ун-11; У/Zн-11
425
2955 4 1,25
400
6 (10)/0,4
У/Ун-0; Д/Ун-11
565
4181 4 1,0
630 6 (10)/0,4 У/Ун-0; Д/Ун-11 695 6136 5 0,75
1000 6 (10)/0,4 У/Ун-0; Д/Ун-11 956 9545 5 0,6
1250 6 (10)/0,4 У/Ун-0; Д/Ун-11 1350 13250 5 0,5
1600 6 (10)/0,4 У/Ун-0; Д/Ун-11 1700 15000 6 0,4
2500 6 (10)/0,4 У/Ун-0; Д/Ун-11 2400 24000 6 0,4

Transformers with rated power from 25 kVA to 250 kVA are manufactured with winding connection scheme and vector group У/Zн-11 .

Overall and Mounting Dimensions

Каталог.cdr

Transformer Overall Dimensions

Rated power, kVA

Length (L), mm

Width (B), mm

Height (H), mm

Distance between High Voltage (HV) insulators (K), mm

Distance between center lines of the channel bars

Oil mass, kg

Total mass, kg

Along longitudinal axis (A), mm

Along transverse axis (A1), mm

25

840

550

850

170

450

400

80

295

40

840

550

900

170

450

400

95

345

63

970

570

1235

170

500

400

120

500

100

1000

730

1355

190

550

450

150

665

160

1080

760

1450

190

550

550

185

900

250

1225

790

1560

230

550

550

290

1225

400

1360

810

1720

230

660

660

360

1660

630

1560

1040

1800

230

660

660

515

2370

1000 1845 1150 1950 230 820 820 655 3150
1600 1985 1295 2350 250 1070 1070 1100 4680
2500 2190 1680 2710 250 1070 1070 1245 6900


Каталог.cdr


Dimensional drawings

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Power transformers, three-phase, double-wound hermetically sealed, with natural oil cooling. The transformers are designed for converting electrical energy in the networks of the electricity consumers' power systems. The transformer windings are made in aluminum and copper versions, both from winding wires and foil. The transformer windings are round and oval in shape.
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Three-phase oil-immersed distribution transformers, type ТМ
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