Split Dry Transformer
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Split Dry Transformer
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产品描述
- 产品描述
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- Commodity name: Split Dry Transformer
When two generators transmit power to the system through a split dry transformer, the split impedance of the split dry transformer effectively increases the impedance between the two generators, thereby achieving the purpose of reducing short-circuit current.
There are two main applications of split dry-type transformers:
(1) When two generators transmit power to the system through a split dry transformer, the split impedance of the split dry transformer effectively increases the impedance between the two generators, thereby achieving the purpose of reducing short-circuit current.
(2) When a split dry-type transformer is used to divide into two branches to supply power to two independent busbars, the split impedance also makes the two busbars have a larger impedance to reduce the mutual influence when the busbar is short-circuited.
Split dry-type transformers are mostly used as factory transformers for large units above 200MW.
The basic requirements of split dry-type transformers:
1) The insulation structure between the split parts of the low-voltage winding coil and the high-voltage coil must have sufficient electrical strength;
2) The impedance between each part of the low-voltage coil and the high-voltage coil must be equal;
3) When in use, each part of the low-voltage coil can be connected to the generator or the motor separately, and it can run at the same time or separately, and the split coils with the same rated voltage can run in parallel;
4) The structure should be simple, as close as possible to the structure of a split-coil transformer.
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