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电网技术  2010 

快速接地开关对交流特高压同塔双回输电线路潜供电弧的限制

, PP. 26-30

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Abstract:

以浙北—上海交流特高压同塔双回输电线路为例,计算了线路发生单相接地故障及双回同名故障后的潜供电流和恢复电压,分析了快速接地开关(highspeedgroundingswitch,HSGS)对潜供电弧的限制效果,研究了HSGS的接地电阻对潜供电弧限制效果的影响。仿真结果表明HSGS可以快速熄灭交流特高压同塔双回线路的潜供电弧,保证单相自动重合闸的成功率。

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