Oil transformers type TMG

Three-phase industrial oil immersed transformers with capacity ratings from 10 up to1600 kVA designed to be mounted on the outside and inside buildings.

To increase the cooling surface of hermetic oil immersed transformers type TMG with a capacity from 10 up to 1600 kVA are used corrugated walls.
Distributions three-phase transformers TM are produced with nominal tension in primary winding 6; 10, 15,75; 21 kV. Nominal tension in secondary winding is 0,4 or 0,23 kV.
Scheme and connection group of windings Yyn-0, Dyn-11, Yzn-11.

Design features

Oil immersed transformers type TMG are manufactured in a hermetically sealed corrugated structure so that the oil is not in contact with the environment. Hermetic transformers are completely filled with transformer oil.
In this design is the lack of a transformer conservator and air “cushion”.
Changing the oil volume caused by temperature oil changes is compensated by the deformation of the corrugated tank of the transformer.
The transformer oil has no contact at all with the environment.
Lack of contact with air significantly improves working conditions of the oil, because it eliminates the moisture and oxidation.
Hermetic oil transformers type TMG does not require any pre-work before putting into operation and maintenance. They require no maintenance and control throughout the whole lifecycle.
To check the fulfillment with the oil of a hermetic corrugated tank transformers TMG are equipped with vertical oil level indicator installed on the cover.
To check the temperature in the upper layer of oil in the transformer tank is mounted thermometer.

Dimensions and weight of the oil transformers TMG 10 – 16

Technical drawing of the transformer TMG 25 – 63

Transformer type Dimensions, mm Weight, kg
L B H H1 A Д Б Г Е Total Oil
ТМГ-10/10 У1 664 350 800 485 310 310 180 110 148 36 160
ТМГ-16/10 У1 664 350 840 525 310 310 180 110 148 43 170

Dimensions and weight of the oil transformers TMG 25 – 63 with corrugated tank

Technical drawing of the transformer TMG 25 – 63 G

Transformer type Dimensions, mm Weight, kg
L B H H1 A Д Б Г Е И Total Oil
ТМГ-25/10-У1 880 520 910 620 450 400 180 90 205 36 90 300
ТМГ-40/10-У1 880 520 1050 760 450 400 180 90 205 36 110 400
ТМГ-63/10-У1 1040 650 1060 770 550 440 180 90 220 36 128 510
ТМГ-25/15-У1 980 550 1100 750 450 450 280 90 205 36 105 340
ТМГ-40/15-У1 1060 550 1220 870 450 450 280 90 205 36 125 440
ТМГ-63/15-У1 1060 710 1260 910 550 550 280 90 220 36 165 495

Dimensions and weight of the oil transformers TMG 100 – 400 with corrugated tank

Technical drawing of the transformer TMG 100 – 400

Transformer type Dimensions, mm Weight, kg
L B H H1 A Д Б Г Е И Total Oil
ТМГ-100/10-У1 1070 640 1170 900 550 460 200 100 230 40 200 660
ТМГ-160/10-У1 1130 700 1210 900 550 460 200 100 230 40 240 780
ТМГ-250/10-У1 1360 690 1400 1120 550 550 200 110 230 46 320 1120
ТМГ-400/10-У1 1460 830 1480 1080 660 660 200 120 260 46 455 1460
ТМГ-100/15-У1 1270 830 1400 1050 550 550 280 100 230 40 230 735
ТМГ-160/15-У1 1390 840 1480 1130 550 550 280 120 230 40 250 835
ТМГ-250/15-У1 1500 850 1630 1280 550 550 280 120 230 46 370 1200
ТМГ-400/15-У1 1530 910 1650 1300 660 660 280 120 260 46 470 1580

Dimensions and weight of the oil transformers TMG 630 – 1600 with corrugated tank

Technical drawing of the transformer TMG 630 – 1600

Transformer type Dimensions, mm Weight, kg
L B H H1 К Ж Б Г Е А Total Oil
ТМГ-630/10-У1 1560 860 1610 1200 150 200 200 130 290 820 695 1940
ТМГ-1000/10-У1 1620 920 1850 1340 130 200 200 140 300 820 850 2430
ТМГ-1250/10-У1 1785 1045 2010 1630 180 230 230 180 305 820 985 3100
ТМГ-1600/10-У1 1980 1400 2070 1720 180 280 280 180 265 1070 955 4585
ТМГ-630/15-У1 1630 1000 1730 1380 120 280 280 120 290 820 610 1900
ТМГ-1000/15-У1 1765 1050 1940 1590 180 280 280 180 300 820 870 2900
ТМГ-1250/15-У1 1850 1100 2100 1750 180 280 280 180 305 1070 925 3300
ТМГ-1600/15-У1 1920 1470 2350 2000 180 280 280 180 265 1070 1045 4510