Vacuum on-load tap-changer switching state evaluation method and system
A technology of on-load tap change and switch switching, which is applied in the field of transformers, can solve the problem of inability to evaluate the switching state of vacuum on-load tap changer contacts, and achieve the effect of reducing the probability of misjudgment and improving the accuracy of evaluation
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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 clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0043] Since arc extinguishing of the vacuum on-load tap-changer is carried out in the vacuum bubble isolated from the insulating oil, under normal circumstances, a large amount of acetylene will not be detected in the oil chromatography analysis of the insulating oil in the oil chamber of the diverter switch. If there is a small amount of acetyle...
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