Motor CM2Z MCCBs without ground fault protection.
电动机保护用CM 2z无接地故障保护。
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。
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。
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。
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。
Furthermore, based on Lab VIEW virtual instrument technology, the chaotic single-phase-to-ground fault protection is developed.
采用虚拟仪器技术，开发了基于混沌选线方法的小电流接地系统单相接地故障选线仪。
The National Electric Code, in Article 690.5, requires that any PV array installed on the roof of a dwelling must incorporate a ground-fault protection device to reduce fire hazards.
《美国国家电气法规》第690.5条规定，安装于住宅楼顶的任何光伏阵列都必须配备接地故障保护器件，以减少火灾隐患。
Through cooperating each other between the generator stator ground protection, it can operate sensitively when single phase ground fault in whole range of generator stator winding occurs.
通过发电机定子接地保护之间的相互配合，在整个发电机定子绕组范围内发生单相接地故障时，发电机定子接地保护均能灵敏地动作。
Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.
进而提出了基于多回路-有限元耦合数学模型的同步发电机定子单相接地故障三次谐波电压保护方案校验方法。
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。
New principle for feeder grounding fault protection based on zero sequence admittance is presented in this paper. Criterions for the line ground relay with zero sequence admittance are also discussed.
提出了采用测量线路零序导纳进行接地保护的新原理，讨论了直线式导纳继电器的接地保护判据。
Ground-fault protection of low-voltage systems is a considerable problem because of the presence and nature of low-level arcing ground faults.
接地故障的低电压系统的保护是因为存在和电弧接地故障的低级别的性质相当严重的问题。
Because a single fault protection scheme has poor precision in ground fault detection, information fusion technology is discussed and many selection methods are fused.
由于单一故障选线方法的精确度较低，探讨了信息融合处理技术，将多种选线方法进行了信息融合实现。
Ground-fault protection characteristic curve, the adjustment step of the setting current Ir4 is 1A.
接地故障保护特性曲线，整定电流Ir4调整步长为1A。
Ground-fault protection characteristic curve, the adjustment step of the setting current Ir4 is 1A.
接地故障保护特性曲线，整定电流Ir4调整步长为1A。
应用推荐