Capacity-regulating transformer with lightning protection function
A transformer and functional technology, applied in the direction of transformers, variable transformers, transformer/inductor components, etc., can solve the problems of increasing line loss and transformer loss, poor lightning protection effect, and harmonic voltage pollution of the power grid. The ability to withstand unbalanced loads, good lightning protection characteristics, and the effect of simple overall structure
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[0042] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0043] A capacity regulating transformer with lightning protection function, including three-phase high-voltage windings, three-phase low-voltage windings, on-load capacity regulating switches and other metal and non-metallic structural parts constituting the transformer. In the capacity state, the winding adopts the Dyn11 connection method; when switching to a small capacity, the winding adopts the Yzn11 connection method;
[0044] The low-voltage winding of each phase includes two coils with the same number of turns, and the two coils are wound on the iron core through an axially symmetrical distribution. Of course, in other embodiments, the two coils can also be ...
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