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Analysis on a Complicated Fault of Series Capacitor Compensation Equipment
Author(s): 
Pages: 91-96
Year: Issue:  7
Journal: Automation of Electric Power Systems

Abstract: 结合某500 kV线路的串联补偿(简称串补)电容器发生的一起多重转换性故障,分析了故障时线路保护和串补保护的动作行为,结果与动作报告及录波数据相符,分析表明故障时火花间隙动作出现异常.通过分析火花间隙的动作原理可知,电容器在短时间内大面积损坏是火花间隙未触发的主要原因.分析了电容器组的接线方式及耐爆容量,表明两并或三并的结构将符合耐爆容量标准的要求.分析了电容器内熔丝保护的特点,说明了电容器损坏的...
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