On-load tapping switch of tandem type composite change-over switch transformer
A technology of changeover switch and on-load tap changer, which is applied in the field of transformers, can solve the problems of limited application of vacuum tap changer, limited electrical life of vacuum switch, difficulty in arcless transition, etc., and achieves simple structure, reliable operation, and realization of no The effect of arc switching
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[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0030] Such as figure 1 As shown, it is a schematic structural diagram of a transformer on-load tap changer according to an embodiment of the present invention, which includes a plurality of odd-numbered taps J1, J3, etc., a plurality of even-numbered taps J2, J4, etc. A compound switch S1, a second compound switch S2, a first tap selector and a second tap selector, a plurality of static contacts of the first tap selector are respectively connected to odd-numbered taps J1, J3, etc., the first tap selector The moving contact R1 of the selector is connected to one end of the first composite switch S1, the other end of the first composite switch S1 is connected to the outlet...
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