本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。
It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three diff...
本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。
It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three different...
本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。
It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three different kinds of earthing...
露天矿供电系统中采用两级选择性接地保护装置十分必要。
It is necessary to use two-stage selective earthing protective device in the power supply system of open-pits.
本文对如何提高微机接地保护或自动选线装置的动作成功率，进行了比较系统和详细分析，提出了具体建议。
The paper analyzed in detail that how to improve the motional success rate of grounding protection or automatic line selection device, and gave the concrete Suggestions.
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。
Hence, the stator and rotor ground fault protection play an important role in the protection system of generator.
文章在分析100%定子接地保护动作方式的基础上，对其提出了可行的改进方案。研究结果表明，改进方案能更好地保证发电机安全并有利于电力系统稳定。
In this paper, the operation style of the 100% stator ground protection based on twice frequency separation is analysed, and the feasible improving scheme is put forward.
因此如何准确可靠地检测并隔离故障线路，寻找精度高的接地保护方法一直是小电流接地系统的一个重要研究课题。
The problem of how to detect and isolate fault feeder correctly and reliably, and look for a protection method with high precision is always an important research task.
因此如何准确可靠地检测并隔离故障线路，寻找精度高的接地保护方法一直是小电流接地系统的一个重要研究课题。
The problem of how to detect and isolate fault feeder correctly and reliably, and look for a protection method with high precision is always an important research task.
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