兴城变电站电容器组继电保护装置故障分析-电容器-中国电力资料网 关键词 ：电容器组；继电保护定值；继电保护回路 [gap=601]Keywords ：Capacitor bank；Relay protection setting value；Relay protection circuit
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This paper introduces the portable protection relay detecting device and the practical circuit, as well as the major functions.
介绍一种便携式保护继电器测试装置的设计及实用电路和主要功能。
Previously, a typical protection circuit would include a relay, resettable fuse and MOV combination to protect against the above combination of threats.
以往来说，典型电路保护将继电器、可恢复式保险丝、与金属氧化物压敏电阻组合来保护防止损害。
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.
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。
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