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高压电器  2015 

真空开关的触发失效与主电极烧蚀特性研究

, PP. 115-120

Keywords: 真空开关,触发失效,烧蚀,寿命

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Abstract:

通过对真空开关的导通与失效机理进行研究,将其分为触发机构和主电极两个部分。关于触发机构的失效机理,主要研究绝缘电阻、触发电流和主放电电流大小的变化对触发极烧蚀的影响;用真空电弧的机理分析主电极烧蚀,对导通过程中电弧的发展进行仿真,了解主电极烧蚀特性。通过对真空开关的触发失效和主电极烧蚀特性进行研究,更好地了解真空开关的导通机理。

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