Transformer on-load tap changer
A voltage regulating switch and transformer technology, applied in the direction of transformers, variable transformers, electric switches, etc., can solve the problems of long response time, low reliability, and damaged contacts, and solve the problem of arc extinguishing, wide application range, The effect of high reliability
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[0029] 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 clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0030] Such as Figure 1-7As shown, a transformer on-load tap changer, each of the three phases A, B, and C includes a rated branch, a step-up branch, a step-down branch and a parallel connection with the rated branch The transition branch, the rated branch, the step-up branch, and the step-down branch are respectively equipped with a vacuum interrupter; the transition branch includes resistors connected in series with each other and a transitional vacuum interrupter;
[0031] The present invention also includes a set of step-up permanent magnet mechanism 1, a set of step-down permanent magnet mechanism 2 and a set of rated permanent magnet mechanism 3; the step-up permanent ...
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