Dynamic insulation in vacuum interrupters

Jiyan Zou; Junjia He; Li-chun Cheng

doi:10.1117/12.174668

1 May 1994 Dynamic insulation in vacuum interrupters

Jiyan Zou, Junjia He, Li-chun Cheng

Proceedings Volume 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum; (1994) https://doi.org/10.1117/12.174668
Event: XVI International Symposium on Discharges and Electrical Insulation in Vacuum, 1994, Moscow-St. Petersburg, Russian Federation

Abstract

Breaking capacity of vacuum circuit breakers is limited by dynamic voltage withstanding of their vacuum interrupters in a sense. Dynamic insulation in a vacuum interrupter can be represented externally by their dielectric recovery behavior and the stability of voltage withstanding. The internal feature of dynamic insulation includes two sides: one is the weak points under high electric stress, the other is macro-particles produced in the process of breaking high current. Some experiments were made to investigate these features. After analysis of the results, we given some measures to improve dynamic insulation of vacuum interrupters.

Citation Download Citation

Jiyan Zou, Junjia He, and Li-chun Cheng "Dynamic insulation in vacuum interrupters", Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); https://doi.org/10.1117/12.174668

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