Negative sequence inverse time overcurrent protection 负序反时限过流保护装置
Inverse time overcurrent relay 反时限过电继电器
Time overcurrent relay 反时间继电器
Inverse - time overcurrent protection is used in power supply installation to fit the heat characteristic of the device ' s fault current . with reference to international standard characteristic equations , the equation by the integration of current term is suitable to describe the process of heat accumulation 将反时限过流保护的概念引入智能电源系统,参考国际通用反时限控制曲线,通过构造器件的热库模型采用微处理器程控能够方便实现各种反时限控制特性。