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The analysis of gap self trigger problem on 500 kV fixed series compensation at out-area fault
Author(s): 
Pages: 174-178
Year: Issue:  17
Journal: Relay

Keyword:  固定串补等离子火花间隙强制触发型火花间隙间隙自触发;
Abstract: 以南方电网2009年4月10日串补间隙自触发故障为例,对串补区外故障间隙自触发问题进行了深入的研究.在详细介绍等离子火花间隙和强制触发型火花间隙构成的基础上,对两类不同结构的间隙触发原理进行了对比、说明.调取并分析该次故障时所涉及不同串补站串补的故障录波,对各间隙触发过程及触发参数进行分析,找出了本次自触发故障中各不同类型间隙所遵守的相同的自触发规律.最后,对串补站的安全稳定运行提出了若干建议.
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