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It is important to understand the interruption phenomena for contact materials in order to adapt them for use in high voltage. Accordingly, we have carried out measurements of the arc energy and anode surface temperature and observed the vacuum arc in a vacuum chamber. We have used three kinds of contact materials in this investigation, namely, Cu, CuCr, and AgWC. In addition, it is effective to develop...
It is important to comprehend the interruption phenomenon of contact materials for aiming at adaptation to high voltage of vacuum circuit breakers. Then, we carried out measurement of arc energy and anode surface temperature and observation of vacuum arc by using the vacuum chamber. Moreover, we made prototype of new contact materials that was based on these tests result. And these contact materials...
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