变电站雷电侵入波过电压防护的研究
投稿时间:2018-04-28  修订日期:2018-05-31  点此下载全文
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雷晓* 东北大学信息学院 辽宁 沈阳 110000 110000
中文摘要:雷电侵入波对变电站内的设备会带来很严重的危害,为对其进行研究,根据工程实例做出500kV电压等级变电站主接线的计算网络,并通过PSCAD软件仿真出在雷电波侵入在保护方案下的变电站内设备的雷电暂态响应特性,设计了不同的避雷器配置的保护方案,并对几个方案进行仿真计算,得出了变电站设备过电压最大值和保护裕度,并选出最佳方案。
中文关键词:变电站  雷电  过电压  防护
 
Research on overvoltage protection of lightning surge in substationLei Xiao
Abstract:The lightning invasion wave on equipment in the substation will cause serious harm,in order to carry out research,make calculation network of 500kV transformer substation main wiring according to engineering practice,and through the PSCAD software simulation of lightning transient substation equipment in the protection scheme under the lightning wave intrusion on the response characteristics,design the protection scheme of different arrester configuration,and several schemes of the simulation,the substation equipment over voltage and maximum protection margin, and select the best scheme.
keywords:substation  lightning  overvoltage  protection
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