一起500kV GIL单相接地故障计算分析
Mechanical & Electrical Technique of Hydropower Station(2016)
Abstract
针对某大型水电厂500 kV GIL在空载升压试验时发生的一起单相短路接地故障,采用ATPDraw电磁暂态仿真分析软件,建立了GIL单相短路接地故障仿真模型,进行了单相接地故障短路电流峰值及故障时间计算,并与故障录波结果进行了比对,初步确定了GIL的接地点范围,为故障点的检查处理提供了重要参考.
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