多雷地区升压站雷电侵入波保护的研究

Study on Protection against Lightning Invasion Wave to Booster Station in Thunderous Area

对多雷地区升压站雷电侵入波过电压保护进行了研究,给出了不同运行方式下升压站内设备上的雷电过电压最大值,以及各设备绝缘水平选择和绝缘裕度。根据推荐的各设备绝缘水平,得出各设备的绝缘裕度可达15%～35%,验证了升压站耐雷的可靠性。计算结果可供发电厂变电站进行雷电侵入波保护设计时参考。

Study was made on overvoltage protection against lightning invading surge to booster station in thunderous area. Highest level of lightning surge subjected to boost station installations at various operation modes, insulation level and margin of installations were given, from which it is known that the insulation margin of various installations can reach 15% to 35%, and the booster station reliability is validated. The result can be used for lightning protection design of power plant stations.