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1·Motor CM2Z MCCBs without ground fault protection.

电动机保护用CM 2z无接地故障保护。

2·With high & reliable ground fault current breaking capacity;

具有高可靠的异向接地故障电流开断能力；

3·This action criterion shows that it is highly selective to the ground fault.

该判据对接地故障具有很高的选择性能。

4·This ground fault protection function may be incorporated into a circuit breaker.

这种功能可以一体化设计在断路器上。

5·The shortage of traditional single-phase ground fault protection principle is pointed out.

指出传统的接地保护原理的不足。

6·Ground fault circuit interrupters are required whenever moisture may contact electrical equipment or the user.

只要湿气可能接触到电器设备或使用者，则都应配备接地故障断路器。

7·Hence, the stator and rotor ground fault protection play an important role in the protection system of generator.

发电机定子接地保护及转子接地保护是发电机的继电保护系统中的一项重要内容。

8·Maximum system security and immediate ground fault detection helps avoids nuisance tripping due to charging currents.

最高的系统安全性和接地故障检测有助于避免由充电电流造成的跳闸。

9·The drawbacks of present stator ground fault protection principle for the small and medium sized generators are pointed out.

指出了现有中小型发电机定子接地保护原理的不足。

10·Based on the analysis of a typical stator ground fault and its recording data, the protection action is proved to be correct.

通过对一次典型的定子接地故障情况和保护录波数据分析，证明了保护动作行为的正确性。