保护装置能反应发电机定子的热积累过程。
Protection device generator stator response to the accumulation of heat process.
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.
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.
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.
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。
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.
只有发电机设计与继电保护密切合作，才有可能完成定子绕组的优化设计。
The close cooperation between generator design and protection can only be a way to do optimization design for generator stator winding.
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。
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.
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.
该系统可广泛应用于大型水轮发电机定子绕组内部故障分析与保护方案研究等场合。
This system can be widely applied to analysis and protection of internal faults in armature windings of the hydro generator.
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.
纵差保护作为防御发电机定子绕组及其引出线相间短路的主保护，对发电机安全高效运行起着重要作用。
The Differential operation is a major protector for the stator winding and leading wire of a generator, to ensure the generator operating effectively.
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.
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.
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.
应用推荐