大电流真空电弧下的电极腐蚀

Proceedings of the Thirty Fifth Meeting of the IEEE Holm Conference on Electrical Contacts Pub Date : 1989-09-18 DOI:10.1109/HOLM.1989.77947

Z. Jiyan, Cheng Lichun

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引用次数: 6

摘要

在实际大电流和轴向磁场(AMF)条件下测量了电极的腐蚀。电弧中断是在可拆卸的真空室中进行的。电极侵蚀通过加权评估。结果表明，有AMF的电极腐蚀速率为39.8 mu g/C，无AMF的电极腐蚀速率为1.3 mg/C;扩散电弧的阳极增益为15 μ g/C。

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Electrode erosion under high current vacuum arcs

Electrode erosion was measured under conditions of practical high current and axial magnetic field (AMF). Arc interruptions were made in a demountable vacuum chamber. Electrode erosion was assessed by weighting. It is shown that the rate of electrode erosion with AMF is 39.8 mu g/C and that without AMF it is 1.3 mg/C; the anode gains 15 mu g/C for diffused arcs.<>

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Proceedings of the Thirty Fifth Meeting of the IEEE Holm Conference on Electrical Contacts

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