指出了现有中小型发电机定子接地保护原理的不足。
The drawbacks of present stator ground fault protection principle for the small and medium sized generators are pointed out.
对广东某电厂发电机的100%定子接地保护改造情况进行了讨论分析。
The reconstruction of100%stator grounding protection for the generator of a power plant is discussed.
并据此对传统发电机基波零序电压型定子接地保护的原理提出了改进意见。
Improvement of traditional protection of generator stator grounding based on 3U 0 is presented.
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.
介绍了漫湾电厂发电机3ω定子接地保护原理、调试方法及发电机定子三次谐波电压的测试。
The principle, testing of generator stator ground protection based on the third harmonics, measurement of the third harmonics on generator stator are introduced.
现场运行中定子接地保护误发信号时有发生，一些单位为使保护运行可靠，从而大幅度提高定值。
In site operation, stator grounding protection often gives false signal, therefore some units raise the setting value greatly for the dependability of protection.
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。
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.
对修改后的方案进行了调试，调试结果表明，修改后的保护方案解决了原保护方案存在的问题，完全满足了100%定子接地保护的要求。
The debugging results showed that, the amended protection scheme solved the problems existing in the original protection scheme, quite satisfied the requirements for 100% stator grounding protection.
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.
本文介绍了利用微机和数字滤波对发电机定子绕组进行100%接地保护的装置。
This paper introduces a device of 100% grounding fault protection for stator windings of generator by microcomputer and digital filter technique.
本文介绍了利用微机和数字滤波对发电机定子绕组进行100%接地保护的装置。
This paper introduces a device of 100% grounding fault protection for stator windings of generator by microcomputer and digital filter technique.
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