该测控单元实时监控电流电压信号，具有三段电流保护和接地漏电保护等动作特性。

The unit monitors the signals of currents and voltages in real time and has performance characteristics of three-sect current protection, grounding leakage protection and other protections.

youdao

该保护继电器实时监控电流信号，具有3段电流保护和接地漏电保护等动作特性。

The protection relay monitors the signals of currents real time and has performance characteristics of three-sect current protection, grounding leakage protection and other protections.

youdao