新的和侵蚀的Ag/CdO和Ag/SnO2触点上的电弧迁移率

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.1988.16093

H. Manhart, W. Reider, C. Veit

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引用次数: 5

摘要

在模型开关和商用接触器中研究了断弧在磁场中的迁移率。接触分离后，分别测量了三种电弧运动现象:初始电弧运动减少(不动和蠕动)，随后的运动，以及从触点到电弧流道的最终换相。比较了Ag/CdO和Ag/SnO/sub / 2/的新态和侵蚀态接触。在不同应力条件下的侵蚀测量结果与观察到的迁移现象一致。

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Arc mobility on new and eroded Ag/CdO and Ag/SnO2 contacts

The mobility of break arcs in a magnetic blast-field was investigated in both a model switch and a commercial contactor. After contact separation, three arc motion phenomena were measured independently: initial reduced arc motion (immobility and creeping), subsequent running, and final commutation from the contacts to the arc runners. Contacts made from Ag/CdO and from Ag/SnO/sub 2/ were compared in both new and eroded states. The results of erosion measurements under various stress conditions were consistent with the mobility phenomena observed.<>

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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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