Motor CM2Z MCCBs without ground fault protection.
电动机保护用CM 2z无接地故障保护。
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；
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。
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。
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。
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。
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。
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。
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。
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 generator also includes 125-volt 14A ground fault circuit interrupter receptacles and is backed by a 1-year limited warranty.
发电机还包括125伏14A条接地故障电路灭弧贮和支持的为期1年的有限质保。
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。
There is an electrical preventive maintenance task assigned to the Ground Fault Circuit Interrupter, that requires periodic testing of the unit.
应指定接地故障断路器的电气预防维护任务，此项任务要求对装置进行定期测试。
User is able to set the ground fault trip current of the relay just milliamps above the highest level, to accurately measure the system charging.
使用者可将继电器接地故障跳闸电流设置为高于最高值几毫安，以准确测量系统充电。
The study results reveal shown that the ground fault current will increase with the number of main transformer with neutral to be solidly grounded.
研究结果显示，主变压器的中性点接地与否及电缆遮蔽导体与互連导体对整体的接地系统故障特性有关键性的影响。
This paper analyzes why dc system ground fault causes power unit outage and proposes improvement plans. The prevention measures are put into effect.
文章分析了直流接地引起主机停运的原因，并提出了改进方案，实施了防范措施。
The fault phase selector discussed is based on the result that the fault component of sound phases is zero when a single-phase-to-ground fault occurs.
文中所探讨的相电流突变量选相元件，是利用单相接地故障时，两健全相相间电流突变量为零这一特征来得到的。
The test results show that the ground fault at any point of the stator of a large unit-type generator-transformer system can be successfully protected.
试验结果表明：大型发电机一变压器组的定子的任何一点上发生接地故障时都能成功地获得保护。
In electric power plants and substations, a detection of DC system ground fault was usually completed in hand manner, which is very much trouble and danger.
在发电厂和变电所内，直流系统接地故障的检测，过去一直采用手动方式来完成。
Such items known to be counterfeited include control relays, circuit breakers, receptacles, ground fault circuit interrupters and other electrical products.
我们已知的假冒产品包括控制继电器，断路器，插座，漏电断路器和其他电器产品。
They provide system security and immediate reliable low level ground fault detection on three-phase AC resistance grounded or grounded electrical distribution systems.
此类继电器能够增加系统安全性，并对三相交流接地电阻或接地配电系统进行可靠的低级接地故障检测。
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。
Combined with the research status of single-phase-to-ground fault locating for small current grounding system, a new idea based on non-fault-phase transient current is presented.
针对小电流接地系统单相接地故障定位的研究现状，提出基于非故障相暂态电流的单相接地故障定位的思想。
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。
The signal injection method is widely used for automatic selecting fault line in indirectly earthed power system, which has great effect in the system of single-phase ground fault.
注入信号法是一种效果较好的选线方法，其原理广泛应用于小电流接地系统单相接地故障的自动选线。
A transformer model compatible with the Electromagnetic Transients Program (EMTP) is presented, which can be used to simulate the turn to turn fault as well as also turn to ground fault.
介绍了一种适合EMTP仿真程序的变压器模型，该模型能模拟变压器各种匝间短路和绕组对地短路；
A transformer model compatible with the Electromagnetic Transients Program (EMTP) is presented, which can be used to simulate the turn to turn fault as well as also turn to ground fault.
介绍了一种适合EMTP仿真程序的变压器模型，该模型能模拟变压器各种匝间短路和绕组对地短路；
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