|
220kV double-winding on-load voltage regulation power transformer |
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|
Rated capacity (kVA) |
Voltage combination and tap range (kV) |
Bonding group |
No-load loss (kW) |
Load loss (kW) |
Short circuit impedance (%) |
No-load current (%) |
|
|
High pressure |
Low pressure |
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|
31500 |
220±8x 1.25% |
66.3;6.6 10.5;11 35;37;38.5 |
YNd11 |
38 |
135 |
12-14 |
0.70 |
|
40000 |
45 |
157 |
0.63 |
||||
|
50000 |
54 |
189 |
0.56 |
||||
|
63000 |
63 |
220 |
0.56 |
||||
|
90000 |
10.5;11 35;37;38.5 |
80 |
288 |
0.49 |
|||
|
120000 |
99 |
346 |
0.49 |
||||
|
150000 |
116 |
405 |
0.42 |
||||
|
180000 |
135 |
468 |
0.42 |
||||
|
120000 |
66 69 |
102 |
355 |
0.49 |
|||
|
150000 |
120 |
415 |
0.42 |
||||
|
180000 |
140 |
475 |
0.42 |
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