温度继电器检测电动机温度，超过额定温度发出信号，接触器切断主电路，完成电机保护。
Temperature relay tests temperature of motor, if it exceeds rating temperature to send a signal, contactor cut off main circuit to complete protection of motor.
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。
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.
如果一台发电机组没有运转，并且没有逆功率继电器保护，运转的机组就会驱动这个机组，这台机组上的发电机则变成电动机运行。
If one set stops and reverse power protection is not provided, the set still running will drive the set that has stopped. The generator on the set that has stopped will act as a motor.
从热继电器和电子式电动机保护器的特点出发，强调了电子式电动机保护的优点。
From the features of thermal relay and electronic motor protector, the advantages of electronic motor protector were emphasized.
热过载继电器是一种重要的低压保护类电器，广泛应用于电动机的保护领域。
The thermal overload relay is a kind of low-voltage protection apparatuses which is widely used in the field of motor protection.
介绍以电子式热继电器取代双金属片式热继电器的新型电动机综合保护器的性能特点以及安装接线方法。
The article introduces property and installation of new motor general protector with electronic re - lay substituting for double metal plate relay.
介绍了7ut5 12型数字式差动保护继电器的功能、特点及在电动机差动保护中的应用。
Introduce function, Character of 7ut512 digital differential relay and applying it to differential protect on motor generator.
介绍了7ut5 12型数字式差动保护继电器的功能、特点及在电动机差动保护中的应用。
Introduce function, Character of 7ut512 digital differential relay and applying it to differential protect on motor generator.
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