Oil-immersed power transformers, voltage class 110 kV

Oil-immersed power transformers, voltage class 110 kV
Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV Oil-immersed power transformers, voltage class 110 kV
Stationary three-phase two-winding oil-immersed general purpose power transformers
Transformers with off-circuit tap changer on the HV side, the range of tap-changing ± 2 x 2,5 % and without off-circuit tap changer with the cooling system ONAF, OFAF. These transformers are designed for operation in units of power stations.
Type, regulatory document Rated voltage, kV Connection of windings Losses, kW Total Weight, kg
HV LV no load loss short-circuit loss
3-phase, OCTC, ONAF 16 MVA (СТО 15352615-023-2011) 121 6,3; 10,5 Yн/D-11 13,0 80,0 39500
3-phase, OCTC, ONAF 25 MVA (СТО 15352615-023-2011) 121 6,3; 10,5 Yн/D-11 19,0 120,0 ***
3-phase, OCTC, ONAF 40 MVA (СТО 15352615-023-2011) 121 6,3; 10,5 Yн/D-11 23,0 160,0 65000
3-phase, OCTC, ONAF 63 MVA (СТО 15352615-023-2011) 121 6,3; 10,5 Yн/D-11 35,0 245,0 76600
3-phase, OCTC, ONAF 63 MVA (СТО 15352615-023-2011) 121 6,3; 10,5 Yн/D-11 35,0 320,0 75000
3-phase, OCTC, OFAF 80 MVA (СТО 15352615-023-2011) 121 10,5 Yн/D-11 35,0 245,0 76600
3-phase, OCTC, ONAF 80 MVA (СТО 15352615-023-2011) 121 6,3*; 10,5; 13,8 Yн/D-11 40,0 310,0 96000
3-phase, OCTC, OFAF 80 MVA (СТО 15352615-023-2011) 121 6,3; 10,5; 13,8 н/D-11 40,0 310,0 ***
3-phase, OCTC, OFAF 100 MVA (СТО 15352615-023-2011) 121 10,5 Yн/D-11 60,0 350,0 104000
3-phase, OCTC, OFAF 125 MVA (СТО 15352615-023-2011) 121 10,5; 11,0; 13,8 Yн/D-11 65,0 420,0 138000
3-phase, OCTC, OFAF 160 MVA (СТО 15352615-023-2011) 121 10,5 Yн/D-11 65,0 450,0 ***
3-phase, OCTC, OFAF 200 MVA (СТО 15352615-023-2011) 121 13,8*; 15,0; 15,75*; 18,0* Yн/D-11 90,0 550,0 190000
3-phase, OCTC, OFAF 225 MVA (СТО 15352615-023-2011) 121 15,0 Yн/D-11 90,0 600,0 ***
Transformers with on-load tap changer on the HV neutral side, the range of tap-changing ± 16% ± 9 stages (± 14,24% ± 8 stages), with the cooling type ONAN, ONAF or OFAF, designed for transformation and transmission of alternative current.
Type, regulatory document Rated voltage, kV Connection of windings Losses, kW Total Weight, kg
HV LV no load loss short-circuit loss
3-phase, OLTC, ONAN 2,5 MVA (СТО 15352615-023-2011) 115 6,6; 11,0 Yн/D-11 3,9 22,0 17000
3-phase, OLTC, ONAN 6,3 MVA (СТО 15352615-023-2011) 115 6,6; 11,0 Yн/D-11 6,5 35,0 28700
3-phase, OLTC, ONAF 10 MVA (СТО 15352615-023-2011) 115 6,3; 6,6; 10,5; 11,0; 16,5; 38,5 Yн/D-11 10,0 56,0 33400
3-phase, OLTC, ONAF 10 MVA сейсмостойкий 115 6,6; 11,0 Yн/D-11 10,0 56,0 30210
3-phase, OLTC, ONAN 10 MVA (СТО 15352615-023-2011) 115 6,3; 6,6; 10,5; 11,0; 16,5; 38,5 Yн/D-11 10,0 56,0 33400
3-phase, OLTC, ONAN 16 MVA (СТО 15352615-023-2011) 115 6,6; 11,0 Yн/D-11 12,0 83,0 45000
3-phase, OLTC, ONAF 16 MVA** high-level, earthquake resisting (ТУ16 ИБМД.672538.019-2002) 115 6,6 Yн/D-11 16,5 85,0 45000
3-phase, OLTC, ONAF 25 MVA (СТО 15352615-023-2011) 115 6,3; 6,6; 10,5; 11,0; 38,5 Yн/D-11 19,0 120,0 55000
3-phase, OLTC, ONAF, split-winding 25 MVA (СТО 15352615-023-2011) 115 6,3-6,3; 6,3-10,5; 6,6-6,6; 6,6-11,0; 10,5-10,5; 11,0-11,0 Yн/D-D-11-11 19,0 120,0 55000
3-phase, OLTC, ONAF 32 MVA (СТО 15352615-023-2011) 115 6,6; 11,0; 38,5 Yн/D-11 25,0 160,0 ***
3-phase, OLTC, ONAF, split-winding 32 MVA 115 6,3-6,3; 6,6 -6,6; 10,5-10,5; 11,0-11,0 Yн/D-D-11-11 25,0 160,0 ***
3-phase, OLTC, ONAF 40 MVA (СТО 15352615-023-2011) 115 6,6; 11,0; 38,5 Yн/D-11 22,0 170,0 69000
3-phase, OLTC, ONAF, split-winding 40 MVA (СТО 15352615-023-2011) 115 6,3-6,3; 6,6 -6,6; 10,5-10,5; 11,0-11,0 Yн/D-D-11-11 22,0 170,0 69000
3-phase, OLTC, ONAF 63 MVA (СТО 15352615-023-2011) 115 6,6; 10,5; 11,0 38,5 Yн/D-11 35,0 245,0 85000
3-phase, OLTC, ONAF, split-winding 63 MVA (СТО 15352615-023-2011) 115 6,3-6,3 6,6-6,6; 10,5-10,5; 11,0-11,0 Yн/D-D-11-11 35,0 245,0 85000
3-phase, OLTC, OFAF, split-winding 63 MVA (СТО 15352615-023-2011) 115 6,3-6,3; 6,6 -6,6; 10,5-10,5; 11,0-11,0 Yн/D-D-11-11 35,0 245,0 85000
3-phase, OLTC, ONAF 80 MVA (СТО 15352615-023-2011) 115 6,3 Yн/D-11 40,0 310,0 98700
3-phase, OLTC, ONAF, split-winding 80 MVA (СТО 15352615-023-2011) 115 6,3-6,3; 6,6-6,6; 10,5-10,5; 11,0-11,0 Yн/D-D-11-11 40,0 310,0 98700
3-phase, OLTC, OFAF, split-winding 80 MVA (СТО 15352615-023-2011) 115 6,3-6,3; 6,6 -6,6; 10,5-10,5; 11,0-11,0 Yн/D-D-11-11 40,0 310,0 98700
3-phase, OLTC, ONAF 125 MVA (СТО 15352615-023-2011) 115 10,5 Yн/D-11 60,0 400,0 127800

Stationary three-phase two-winding oil-immersed power transformers with higher output capacity
Transformers with higher output capacity, with on-load tap changer on the neutral HV side, the range of tap-changing ± 16% ± 9 stages, with the cooling system ONAN, ONAF and additionally included forced cooling system Type F providing increased output capacity. These transformers are designed for operation on step-down substations with two transformers.
Type, regulatory document Rated voltage, kV Connection of windings Losses, kW Total Weight, kg
HV LV no load loss short-circuit loss
3-phase, OLTC, Forced ONAF, 16 MVA (ТУ16 ИБМД.672500.001-2002) 115 6,6; 11,0 Yн/D-11 16,5 85 43500
3-phase, OLTC, Forced ONAF, split-winding 16 MVA (ТУ16 ИБМД.672500.001-2002) 115 6,6-6,6; 11,0-11,0; 6,6-11,0 Yн/D-D-11-11 16,5 85 44700
3-phase, OLTC, Forced ONAF, split-winding, 25 MVA (ТУ16 ИБМД.672500.001-2002) 115 6,6-6,6; 11,0-11,0; 6,6-11,0 Yн/D-D-11-11 23,0 120 55300
3-phase, OLTC, Forced ONAF, split-winding 40 MVA (ТУ16 ИБМД.672500.001-2002) 115 6,6-6,6; 11,0-11,0; 6,6-11,0 Yн/D-D-11-11 31,5 170 70500
Transformers with on-load tap changer on the HV side, the range of tap-changing ± 16% ± 9 stages, with the cooling system ONAF, OFAF. These transformers are designed for power supply of abruptly varying loads of main drives of rolling mills in the metallurgy production and arc metal founding furnace.
Type, regulatory document Rated voltage, kV Connection of windings Losses, kW Total Weight, kg
HV LV no load loss short-circuit loss
3-phase, OLTC, ONAF, split-winding, for metallurgy 63 MVA (ТУ16 ИБМД.672500.001-2002) 115 10,5-10,5 Yн/D-D-11-11 50,0 245 89000
3-phase, OLTC, OFAF, split-winding, for metallurgy 63 MVA (ТУ16 ИБМД.672500.001-2002) 115 10,5-10,5 Yн/D-D-11-11 50,0 245 90000
3-phase, OLTC, ONAF, for metallurgy, 63 MVA (ТУ16 ИБМД.672500.001-2002) 115 38,5 Yн/D-11 50,0 245 89000

Stationary three-phase three-winding oil-immersed general purpose transformers
Transformers with on-load tap changer on the HV neutral, the range of tap-changing ± 16% ± 9 steps (± 14,24 % ± 8 steps), without tap-changing on the MV side with the ONAN, ONAF, OFAF cooling systems. These transformers are intended for industrial use.
Type, regulatory document; Rated voltage, kV Connection of windings Losses, kW Total Weight, kg
HV MV LV no load loss short-circuit loss
3-phase, 3-winding, OLTC, ONAN 6,3 MVA (СТО 15352615-023-2011) 115 38,5 6,6; 11,0 Yн/Yн/D-0-11 8,6 8,6 32000
3-phase, 3-winding, OLTC, ONAN 10 MVA (СТО 15352615-023-2011) 115 115 6,6; 11,0 Yн/Yн/D-0-11 12,0 70 45200
3-phase, 3-winding, OLTC, ONAF 10 MVA (СТО 15352615-023-2011) 115 38,5 6,6; 11,0 Yн/Yн/D-0-11 12,0 70 45200
3-phase, 3-winding, OLTC, ONAF 16 MVA (СТО 15352615-023-2011) 115 38,5 6,6; 11,0 Yн/ Yн /D-0-11 15,8 90 45000
3-phase, 3-winding, OLTC, ONAF 25 MVA (СТО 15352615-023-2011) 115 11,0 6,6 11,0 Yн/D/D-11-11 21,0 130 63050
3-phase, 3-winding, OLTC, ONAF 25 MVA (СТО 15352615-023-2011) 115 38,5 6,6; 11,0 Yн/ Yн /D-0-11 21,0 130 63050
3-phase, 3-winding, OLTC, ONAF 40 MVA (СТО 15352615-023-2011) 115 11,0 6,6; 11,0 Yн/D/D-11-11 30,0 200 85550
3-phase, 3-winding, OLTC, ONAF 40 MVA (СТО 15352615-023-2011) 115 38,5 6,6; 11,0 Yн/ Yн /D-0-11 30,0 200 85550
3-phase, 3-winding, OLTC, ONAF 63 MVA (СТО 15352615-023-2011) 115 11,0 6,6 Yн/D/D-11-11 45,0 270 117200
3-phase, 3-winding, OLTC, ONAF 63 MVA (СТО 15352615-023-2011) 115 38,5 6,6; 11,0 Yн/ Yн /D-0-11 45,0 270 117200
3-phase, 3-winding, OLTC, ONAF 80 MVA (СТО 15352615-023-2011) 115 38,5 6,3; 10,5 Yн/ Yн /D-0-11; Yн/D/D-11-11 50,0 365 150000
3-phase, 3-winding, OLTC, OFAF 10 MVA (СТО 15352615-023-2011) 115 38,5 6,3; 10,5 Yн/ Yн /D-0-11; Yн/D/D-11-11 50,0 365 ***

Stationary three-winding oil-immersed power transformers for mining
Transformers with on-load tap changer on the HV neutral, the range of tap-changing ± 16% ± 9 steps (± 14,24 % ± 8 steps), with the cooling system ONAF. These transformers are designed for power supply of coal mines.
Type, regulatory document; Rated voltage, kV Connection of windings Losses, kW Total Weight, kg
HV MV LV no load loss short-circuit loss
3-phase, 3-winding, OLTC, ONAF, mining duty 10 MVA (СТО 15352615-023-2011) 115 6,3 6,6 Yн/D/D-11-11 12,0 70 45200
3-phase, 3-winding, OLTC, ONAF, mining duty 10 MVA (СТО 15352615-023-2011) 115 11,0 11,0 Yн/D/D-11-11 12,0 70 45200
3-phase, 3-winding, OLTC, ONAF, mining duty 16 MVA (СТО 15352615-023-2011) 115 6,3 6,6 Yн/D/D-11-11 15,8 90 45000
3-phase, 3-winding, OLTC, ONAF, mining duty 16 MVA (СТО 15352615-023-2011) 115 11,0 11,0 Yн/D/D-11-11 15,8 90 45000
3-phase, 3-winding, OLTC, ONAF, mining duty 25 MVA (СТО 15352615-023-2011) 115 6,3 6,6 Yн/D/D-11-11 21,0 130 63050
3-phase, 3-winding, OLTC, ONAF, mining duty 25 MVA (СТО 15352615-023-2011) 115 11,0 11,0 Yн/D/D-11-11 21,0 130 63050
3-phase, 3-winding, OLTC, ONAF, mining duty 40 MVA (СТО 15352615-023-2011) 115 6,3; 6,6 Yн/D/D-11-11 35,0 200 85550
3-phase, 3-winding, OLTC, ONAF, mining duty 40 MVA (СТО 15352615-023-2011) 115 11,0 11,0 Yн/D/D-11-11 35,0 200 85550

*** According to the design documents on the results of acceptance tests.


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