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Proceedings Paper

Dynamic insulation in vacuum interrupters
Author(s): Jiyan Zou; Junjia He; Li-chun Cheng
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Paper 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.

Paper Details

Date Published: 1 May 1994
PDF: 5 pages
Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); doi: 10.1117/12.174668
Show Author Affiliations
Jiyan Zou, Huazhong Univ. of Science and Technology (China)
Junjia He, Huazhong Univ. of Science and Technology (China)
Li-chun Cheng, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 2259:
XVI International Symposium on Discharges and Electrical Insulation in Vacuum
Gennady A. Mesyats, Editor(s)

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