Transformer for realizing voltage change through changeover of leads
A transformer and lead wire technology, applied in the field of transformer manufacturing, to avoid local overheating, meet strength requirements, and reduce loss
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[0024] The present invention will be further described below in conjunction with accompanying drawing.
[0025] Such as Figure 1~2 As shown, the transformer in the present invention realizes voltage change through the exchange of lead wires, and has high-voltage bushings, low-voltage bushings, high-voltage neutral point bushings, oil conservator, oil tank, tank cover, cooling device and off-excitation tap changer , the oil tank 6 is provided with a three-phase three-column iron core structure, and the three-phase three-column iron cores are respectively sleeved from the inside to the outside Pack There are low-voltage winding I 22, high-voltage winding, voltage-regulating winding and low-voltage winding II23, low-voltage winding I 22 and low-voltage winding II23 are connected in series, low-voltage winding I 22 is left-handed, low-voltage winding II23 is right-handed, and the first and last of the two low-voltage windings Connected, the low-voltage winding II23 comes out at ...
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Abstract
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