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The maximum possible improvement factor of vacuum circuit breaker (VCB) with multiple breaks compared with one-break, which had the same total gap length, was deduced. Based on the research on the breakdown weak points in high voltage vacuum gaps, a theoretic model was set up for describing the statistical property of multi-break VCB. Dielectric experiments were carried out on a commercial vacuum...
The maximum possible improvement factor of VCB with double or multiple breaks compared with one-break, which have the same equivalent gap length, is deduced. Simultaneously, from the research on the breakdown weak points in high voltage vacuum gaps, their turn out and distribution, a theoretic model was set up for describing the statistical property of multi-breaks VCB's. This paper describes dielectric...
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