摘要
分析了10kV高压系统接地故障导致的各低压配电系统中的暂时过电压(TOV),在此基础上,阐明如何针对不同的低压系统选择SPD的Uc值。
The paper analyses temporary over-voltage in lowvoltage distribution system arising from earthing fault of 10kV high-voltage system. Based on it, how to select Uc of SPD applied in low-voltage system are presented.
出处
《建筑电气》
2006年第6期14-17,共4页
Building Electricity
关键词
接地故障
暂时过电压
最大持续工作电压Uc
U0
Earthing fault Temporary over-voltage Maximum sustained operating voltage Uc U0