Single-phase ultra-high-capacity nuclear power station transformer
A transformer and single-phase technology, applied in the field of single-phase super-capacity generator transformers, can solve problems such as unreported operation technology, and achieve the effects of increasing lead wire layout space, good shielding effect and reducing loss.
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[0046] The present invention will be described in further detail below with reference to the drawings.
[0047] The ultra-large capacity generator transformer of the present invention takes a single-phase 700MVA / 500kV generator transformer as an example, and has a high-voltage bushing, a low-voltage bushing, a high-voltage neutral point bushing, an oil conservator, an upper fuel tank, a lower fuel tank, a cooling device, and No-load switch, in which: the upper fuel tank 7 and the lower fuel tank 6 are equipped with a single-phase four-column iron core structure, the two main column iron cores of the single-phase four-column iron core 14 are respectively sleeved with high and low voltage windings, and the two high and low voltage windings are connected in parallel ; The two-column low-voltage winding outlets are at the upper end, and are connected by a copper bar 35 to form a low-voltage double-column parallel structure; the high-voltage bushing 2 is directly drawn from the middle ...
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