Stationary three-phase three-winding oil-immersed general purpose power autotransformers, voltage class 150, 220 kV
Autotransformers with on-load tap changer on the MV side, the range of tap changer ± 8 х 1,5 %, with the cooling system ONAN, ONAF, OFAF. These transformers are designed for connection to 154, 220, and 110 kV power networks and power supply of local end-users.
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Type, regulatory document
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Rated voltage of windings, kV
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Connection of windings
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Losses, kW
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Total Weight, kg
|
|
HV
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MV
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LV
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no load loss
|
short-circuit loss
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|
Auto, 3-phase, 3-winding, OLTC, OFAF, 63MVA (GOST Р 52719-2007)
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154
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121
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11,0
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Yн-auto/D-0-11
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20,0
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165,0
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115000
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Auto, 3-phase, 3-winding, OLTC, OFAF, 63 MVA (СТО 15352615-024-2012)
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230
|
121
|
11,00
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YHauto/ D-О-11
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20,0
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175,0
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112000
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Autotransformers with on-load tap changer on the MV side, the range of tap changer ± 6 х 2,0 %, with the cooling system ONAN, ONAF, OFAF. These transformers are designed for connection to 220, and 110 kV power networks and power supply of local end-users.
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Type, regulatory document
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Rated voltage of windings, kV
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Connection of windings
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Losses, kW
|
Total Weight, kg
|
|
HV
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MV
|
LV
|
no load loss
|
short-circuit loss
|
|
Auto, 3-phase, 3-winding, OLTC, OFAF, 125 MVA (СТО 15352615-024-2012)
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230
|
121
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6,35; 10,5; 38,5
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Yн-auto/D-0-11
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40,0
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280,0
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150000
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|
Auto, 3-phase, 3-winding, OLTC, OFAF, 200 MVA (СТО 15352615-024-2012)
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230
|
121
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6,3; 10,5; 11,0
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Yн-auto/D-0-11
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50,0
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370,0
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187000
|
|
Auto, 3-phase, 3-winding, OLTC, OFAF, 250 MVA (СТО 15352615-024-2012)
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230
|
121
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10,5; 11,0
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Yн-auto/D-0-11
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60,0
|
420,0
|
197000
|
Stationary three-phase three-winding oil-immersed general purpose power autotransformers, voltage class 330 kV
Autotransformers with on-load tap changer on the MV side, the range of tap changer ± 6 х 2,0 %, with the cooling system OFAF. These transformers are designed for connection to 330, and 110 kV power networks
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Type, regulatory document
|
Rated voltage of windings, kV
|
Connection of windings
|
Losses, kW
|
Total Weight, kg
|
|
HV
|
MV
|
LV
|
no load loss
|
short-circuit loss
|
|
Auto, 3-phase, 3-winding, OLTC, OFAF, 125 MVA (ТУ 16 ИБМД 672748.016-2002)
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330
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110
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6,3
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Yн-auto/D-0-11
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80,0
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345,0
|
***
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Auto, 3-phase, 3-winding, OLTC, OFAF, 125 MVA (СТО 15352615-024-2012)
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330
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115
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6,3; 6,6; 10,5; 11,0; 38,5
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Yн-auto/D-0-11
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50,0
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315,0
|
***
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Auto, 3-phase, 3-winding, OLTC, OFAF, 200 MVA* (GOST 17544-85)
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330
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115
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6,3; 6,6; 10,5;11,0; 38,5
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Yн-auto/D-0-11
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100,0
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560,0
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***
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Auto, 3-phase, 3-winding, OLTC, OFAF, 200 MVA* (СТО 15352615-024-2012)
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330
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115
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6,3; 6,6; 10,5;11,0; 38,5
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Yн-auto/D-0-11
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70,0
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475,0
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***
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Stationary single-phase three-winding oil-immersed general purpose power autotransformers, voltage class 500 kV
Autotransformers with on-load tap changer on the MV side, the range of tap changer ± 6 х 2,0 %, with the cooling system OFWF and OFAF. These transformers are designed for operation in cooperation with a generator to 115 MW in capacity.
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Type, regulatory document
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Rated voltage of windings, kV
|
Connection of windings
|
Losses, kW
|
Total Weight, kg
|
|
HV
|
MV
|
LV
|
no load loss
|
short-circuit loss
|
|
Auto, 1-phase, 3-winding, OLTC, OFAF, 135 MVA (ТУ ИБМД 672724.001-2002)
|
525/√3
|
42/√3
|
13,8-13,8
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1 auto/1-1-0-0
|
120
|
285,0
|
185000
|
|
Auto, 1-phase, 3-winding, OLTC, OFAF, 135 MVA (ИБМД 672724.001-2002)
|
525/√3
|
242/√3
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13,8-13,8
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1 auto/1-1-0-0
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120
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285,0
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195000
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Autotransformers with on-load tap changer on the MV side, the range of tap changer ± 6 х 2,0 %, with the compaund cooling system ONAN/ONAF/OFAF
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Type, regulatory document
|
Rated voltage of windings, kV
|
Connection of windings
|
Losses, kW
|
Total Weight, kg
|
|
HV
|
MV
|
LV
|
no load loss
|
short-circuit loss
|
|
Auto, 1-phase, 3-winding, OLTC, OFAF, 167 MVA (СТО 15352615-024-2012)
|
500/√3
|
230/√3
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10,5; 38,5
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1 auto/1-0-0
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55
|
300
|
160000
|
|
Auto, 1-phase, 3-winding, OLTC, OFAF, 267 MVA (СТО 15352615-024-2012) Range ± 8 х 1,5%
|
500/√3
|
330/√3
|
10,5 38,5
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1 auto/1-0-0
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45
|
300
|
152000
|
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Auto, 1-phase, 3-winding, OLTC, OFAF, 267 MVA (СТО 15352615-024-2012)
|
500/√3
|
230/√3
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10,50 13,80 15,75 20,00 38,50
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1 auto/1-0-0
|
90
|
420
|
225000
|
Stationary three-phase three-winding oil-immersed general purpose power autotransformers, voltage class 500 kV
Autotransformers with on-load tap changer on the MV side, the range of tap changer ± 8 stages with the compaund cooling system ONAN/ONAF/OFAF.
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Type, regulatory document
|
Rated voltage of windings, kV
|
Connection of windings
|
Losses, kW
|
Total Weight, kg
|
|
HV
|
MV
|
LV
|
no load loss
|
short-circuit loss
|
|
Auto, 3-phase, 3-winding, OLTC, OFAF, 250 MVA
|
500
|
121
|
10,5
|
Yн-auto/ D –0-11
|
180
|
625
|
311000
|
* The value of autotransformer losses can be specifyed on the results of acceptance tests.
*** According to the design documents on the results of acceptance tests.
