... protective relay test set 保护继电器测试仪 protective relay unit 继电器保护装置 protective relay 保护继电器 ...
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量度继电器和保护装置 Measuring relays and protection equipment
继电器失灵保护装置 underreaching protection ; relay underreaching protection
继电器后备保护[装置 relay back up
测量继电器和保护装置 Measuring relays and protection equipment
所有产品的快速保护特性，能确保电机的安全，是目前仍在使用的热继电器保护装置的最好替代产品。
The products are the best substitutes for the heat transducers that are still being used because of its rapid protection characteristics.
介绍了矿区35kV变电站采用R CS-9000系列微机监控系统替换老式的继电器保护装置的改造。
The paper introduced the innovation to old relay protection system in 35KV transformer station of coal mine, the relay protection system was replaced with RCS-9000 series computer monitoring system.
过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
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