摘要
本文介绍各级电涌保护器电压保护水平和最大持续运行电压这两个重要参数的选择依据,分别列举建筑物内第一级电涌保护器和第二级电涌保护器的冲击(放电)电流的3种计算方法并做比较,给出结论。
Introduced at all levels surge protector voltage protection level and the maximum continuous operation voltage the two important parameters of design basis, respectively, cited three calculation methods of building first class surge protective devices, the impact of current and the secondary surge protector of the discharge current and do a comparison, conclusion is given.
出处
《电气技术》
2017年第5期113-116,共4页
Electrical Engineering
关键词
电涌保护器
冲击电流
放电电流
电压保护水平
最大持续运行电压
surge protection device (SPD)
impulse current(Iimp)
discharge current(In)
voltage protection level(Up)
maximum continuous operating voltage(Uc)