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In order to clarify the characteristics of spark conditioning carried out in parallel at several parts of electrodes, we studied conditioning process in a multi-gap electrode system with two rod-plane electrodes in vacuum. The rod material and gap distance of one gap was kept to Cu-Cr (d=5 mm) in some multi-gap electrodes. On the other hand, the rod material and gap distance of the other gap were...
In order to clarify the characteristics of spark conditioning carried out in parallel at several parts of electrodes, we carried out conditioning experiment to use a multi-gap electrode system with multi-rod electrodes. As a result, we found that 50% breakdown voltage after conditioning saturation differed in the multi-gap electrode system from in a single gap electrode system. In addition, we found...
Because of high insulation performance and environmental-friendliness, vacuum is attracting considerable attention, and vacuum circuit breakers (VCBs) are expected to develop into higher voltage level. In this paper, we investigated the relationship between the surface condition and the conditioning mechanism of Cu-Cr electrode during impulse voltage application in vacuum. The experimental results...
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