|
220kV double-winding no-load voltage regulation power transformer with low voltage level of 66kV |
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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±2x 2.5% |
636669 |
YNd11 |
38 |
151 |
12-14 |
0.89 |
|
40000 |
45 |
176 |
0.89 |
||||
|
50000 |
53 |
211 |
0.82 |
||||
|
63000 |
63 |
247 |
0.82 |
||||
|
90000 |
83 |
323 |
0.75 |
||||
|
120000 |
102 |
387 |
0.75 |
||||
|
150000 |
122 |
453 |
0.68 |
||||
|
180000 |
138 |
513 |
0.68 |
||||
|
240000 |
171 |
635 |
0.61 |
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