Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.
电动机过载保护通常采用继电器,而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。
Based on the method of solving heat balance differential equation, a novel over-load protection criterion for electric motor is presented in the paper considering the heat accumulation of motor.
以热保护为研究对象,充分考虑了电机的热积累现象,通过求解热平衡微分方程的方法,给出了新的电动机过载保护判据。
The over-load protection technology is an indispensable constituent of the low-voltage apparatus intellectualization, ensuring the electric motor and the distribution line safe operation.
过载保护技术是低压电器智能化技术的重要组成部分,是保证电动机、配电线路安全运行的重要技术。
The over-load protection technology is an indispensable constituent of the low-voltage apparatus intellectualization, ensuring the electric motor and the distribution line safe operation.
过载保护技术是低压电器智能化技术的重要组成部分,是保证电动机、配电线路安全运行的重要技术。
应用推荐