气压对磁驱动电弧在两个平行电极中的一个穿过间隙或停止时换向延迟的影响

Electrical Contacts, 1988., Proceedings of the Thirty Fourth Meeting of the IEEE Holm Conference on Electrical Contacts Pub Date : 1900-01-01 DOI:10.1109/HOLM.1988.16109

Yan Wei, Cheng Li-chun

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引用次数: 0

摘要

利用高速摄影和光纤微机系统，研究了气压对磁驱动电弧在两个平行电极中的一个间隙或一个台阶上的换相延迟的影响。实验采用黄铜、铜(冷阴极)和石墨(热阴极)等不同的电极材料。结果表明，低压下电极台阶或间隙引起的冷阴极电弧换相延迟与气压和极性气压有直接关系。对实验结果进行了讨论。

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Effect of the air pressure on the commutation delay of magnetically driven arcs across a gap or a stop in one of two parallel electrodes

Research on the effect of the air pressure on the commutation delay of magnetically driven arcs across a gap or a step in one of two parallel electrodes has been conducted using high-speed photography and an optical fiber microcomputer system. The experiments were carried out on different kinds of electrode material, such as brass, copper (cold cathode), and graphite (hot cathode). It is shown that the commutation delay of cold-cathode arcing caused by step or gap on the electrode at low air pressure is directly related to the air pressure and polarity air pressure. A discussion on the experimental results is presented.<>

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Electrical Contacts, 1988., Proceedings of the Thirty Fourth Meeting of the IEEE Holm Conference on Electrical Contacts

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