Oil-immersed three-phase two-winding converter transformers, voltage class 10 kV
Transformers with off-circuit tap changer of power winding, the range of tap-changing on the power winding ± 2 x 2,5 %, with the cooling system ONAF. These transformers are designed to supply the power to the areas of semiconductor converters of direct current on the traction substations of electrified railways.
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Type, regulatory document
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Rated voltage (no-load), kV
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Connection of windings
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Losses, kW
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Total Weight, kg
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Power winding
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Valve side winding
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no load losses
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short-circuit losses
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3-phase, ONAF, OCTC, split-winding, converter 12,5 MVA (ТУ 16 ИБМД.672434.050-2001)
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10,0
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1,305
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Y/DY-11-0
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16,0
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71,5
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22500
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Oil-immersed one-phase traction-feeding transformers, voltage class 10 and 25 kV
Transformers with the cooling system ODAF are designed for transformation of the voltage of contact network into the voltage of traction motor circuits, feeding, auxiliaries and heating, as well as for the transformation of voltage of the traction engines into the voltage of the contact network, feeding and auxiliaries of the line electric locomotive, heating and power supply of the train.
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Type, regulatory document
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Rated Voltage of the power winding, kV
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Connection of windings
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Losses, kW
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Total Weight, kg
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no load losses
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short-circuit losses
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1-phase, ODAF, for electric locomotives 8 MVA (ТУ 16 ИБМД.672424.005-2002)
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10
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1/1/1/1/1/1-0-0-0-0-0
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4,5
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103,5
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9734
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1-phase, ODAF, for electric locomotives 4,35 MVA (ТУ 16 ВЕИЮ.672324.001-2005)
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25
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1/1/1/1/1-0-0-0-0
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3,7
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56,8
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7800
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1-phase, ODAF, for electric locomotives 5,7 MVA (ТУ 16 ВГЕИ.672424.001-2007)
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25
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1/1/1/1/1/1-0-0-0-0-0
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5,5
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51,5 (heating winding power is 300 кVА)
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9300
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Oil-immersed one-phase two-winding power transformers and autotransformers, voltage class up to 35 kV
Transformers with the splitted LV winding, with off-circuit tap changer, the range of tap-changing on HV side ± 2 x 2,5 %, with the cooling system ONAN. These transformers are designed for installation, regulated shunt capacitive compensation of reactive power, installed on the section points of electrified railways and as the boosting transformer to raise up the voltage of the retarding phase of traction substation.
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Type, regulatory document
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Type, regulatory document
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Connection of windings
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Losses, kW
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Total Weight, kg
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HV
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LV
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no load loss
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short-circuit loss
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1-phase, OCTC, ONAN, split winding, for railways 10 MVA (ТУ 16 ИБМД.672413.005-2002)
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27,5
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1,25; 2,5-2,5; 3,75; 5,00
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1/1-1-0-0
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10,0
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50,0
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23100
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Autotransformers without tap-changing, with the cooling system ONAN. These transformers are designed for the feeding of contact net-works of electrified railways.
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Type, regulatory document
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Type, regulatory document
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Connection of windings
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Losses, kW
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Total Weight, kg
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HV
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LV
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no load loss
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short-circuit loss
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Auto, 1-phase, ONAN, for railways 10 MVA (GOST R 51559-2000)
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27,5x2
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27,5
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1 auto
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6,5
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26,0
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14265
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Auto, 1-phase, ONAN, for railways 16 MVA (GOST R 51559-2000)
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27,5x2
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27,5
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1 auto
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9,0
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33,5
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19000
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Transformer with the splitted LV winding, with on-load tap changer on LV side, the range of tap-changing ±8x2%, with the cooling system ONAF. These transformers are designed for the power supply of the railways, electrified with alternative current.
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Type, regulatory document;
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Rated voltage, kV
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Connection of windings
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Losses, kW
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Total Weight, kg
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HV
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MV
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LV
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no load loss
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short-circuit loss
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1-phase, 3-winding, OLTC, ONAF, split winding, for railways 25 MVA (GOST R 51559-2000)
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115
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38,5
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27,5-27,5
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1/1/1-1-0-0
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26,0
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135
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64200
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1-phase, 3-winding, OLTC, ONAF, split winding, for railways 25 MVA (GOST R 51559-2000)
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115
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11,0
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27,5-27,5
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1/1/1-1-0-0
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26,0
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135
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64200
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1-phase, 3-winding, OLTC, ONAF, split winding, for railways 25 MVA (GOST R 51559-2000)
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230
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11,0
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27,5-27,5
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1/1/1-1-0-0
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29,0
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130
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83500
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1-phase, 3-winding, OLTC, ONAF, split winding, for railways 25 MVA (GOST R 51559-2000)
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230
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38,5
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27,5-27,5
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1/1/1-1-0-0
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29,0
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130
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83500
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Oil-immersed three-phase three-winding power transformers, voltage class 110 kV
Transformers with on-load tap changer on the HV side, the range of tap-changing ± 16%, ± 9 steps and with off-circuit tap changer on the MV side, the range of tap-changing ±(2x2,5%), with the cooling system ONAF. These transformers are designed for the power supply of the railways, electrified with alternative current.
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Type, regulatory document;
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Rated voltage, kV
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Connection of windings
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Losses, kW
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Total Weight, kg
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HV
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MV
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LV
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no load loss
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short-circuit loss
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3-phase, 3-winding, OLTC, ONAF, for railways 16 MVA (GOST R 51559-2000)
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115
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27,5
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6,6; 11,0
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Yн/D/D-11-11
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19,0
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100
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45500
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3-phase, 3-winding, OLTC, ONAF, for railways 25 MVA (GOST R 51559-2000)
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115
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27,5
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11,0; 6,6
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Yн/Yн/D-0-11
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28,5
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140
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61400
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3-phase, 3-winding, OLTC, ONAF, for railways 40 MVA (GOST R 51559-2000)
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115
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38,5
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27,5
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Yн/Yн/D-0-11
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39,0
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200
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81000
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3-phase, 3-winding, OLTC, ONAF, for railways 40 MVA (GOST R 51559-2000)
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115
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38,5
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27,5
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Yн/Yн/D-0-11
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36,0
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220
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81000
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Oil-immersed three-phase three-winding power transformers, voltage class 220 kV
Transformer with on-load tap changer on HV side, the range of tap-changing ± 12%, ± 12 stages and with off-circuit tap changer on MV side, the range of tap-changing ±(2x2,5%), with the cooling system ONAF. These transformers are designed for power supply of the electrified railways on alternative current.
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Type, regulatory document;
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Rated voltage, kV
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Connection of windings
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Losses, kW
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Total Weight, kg
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HV
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MV
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LV
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no load loss
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short-circuit loss
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3-phase, 3-winding, OLTC, ONAF, for railways 25 MVA (GOST R 51559-2000)
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230
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27,5
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6,6; 11,0
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Yн/D/D-11-11
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40,0
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130
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***
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3-phase, 3-winding, OLTC, ONAF, for railways 25 MVA (GOST R 51559-2000)
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230
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38,5
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27,5
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Yн/D/D-11-11
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40,0
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130
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***
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3-phase, 3-winding, OLTC, ONAF, for railways 40 MVA (GOST R 51559-2000)
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230
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27,5
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6,6; 11,0
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Yн/D/D-11-11
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54,0
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54,0
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***
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3-phase, 3-winding, OLTC, ONAF, for railways 40 MVA (GOST R 51559-2000)
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230
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38,5
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27,5
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Yн/D/D-11-11
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54,0
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54,0
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***
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Mobile Oil-immersed three-phase two-winding power transformers, voltage classes 110kV and 220 kV
Transformers with on-load tap changer on HV side off-circuit, the range of tap-changing ± 2 x 2,5%, with the cooling system OFAF. These transformers are designed for operation on mobile traction substation of railways power network
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Type, regulatory document
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Rated voltage, kV
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Connection of windings
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Losses, kW
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Total Weight, kg
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HV
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LV
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no load loss
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short-circuit loss
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3-phase, OFAF, OCTC, converter 32 MVA (ТУ 16 ИБМД.672534.005-2003)
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110
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27,5; 11,0
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YH/D-11
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27,0
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141
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59000
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3-phase, OFAF, OCTC, converter 32 MVA (ТУ 16 ИБМД.672534.005-2003)
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220; 154
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27,5
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YH/D-11
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30,0
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120
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72000
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*** According to the design documents on the results of acceptance tests.
