对于不同原理的发电机失磁保护误动进行了分析并提出了改进措施。
Lost the excitation protection regarding the different principle generator by mistake moves carries on analyzes and proposes the improvement measure.
应用神经网络识别变励磁电压判据的动作区，提出应用神经网络的发电机低励失磁保护方案。
Then the author uses a three-layer ANN to distinguish excitation-loss fault, and brings forward a scheme of excitation-loss protection using ANN for generator.
在发电机的各种保护中，发电机失磁保护是一个急待研究和完善的课题。
The generator field loss protection is a topic that should be studied urgently in various generator protections.
发电机低励失磁故障是一种严重的故障形式，低励失磁保护也是发电机保护的重点和难点。
For synchronous generator, loss of excitation is a serious fault and the corresponding protection often refuse to operate.
介绍ABB公司励磁系统低励限制的定值整定，分析北京热电分公司1号发电机进相运行时的动作情况以及ABB励磁系统低励限制与失磁保护之间的关系。
In this paper, the author introduced the fixed value setting of underexcited limitation in ABB excitation system. And also analyzed the condensive operation of No. 1 generating unit.
介绍了发电机失磁保护的现状以及常用的阻抗原理失磁保护方案。
The current situation of generator loss of excitation protection and the usual scheme of loss of excitation protection based on impedance principle are introduced.
本文对大型水轮发电机失励磁保护，在动模试验的基础上进行了理论分析；论证了机组在失励和其他特殊运行情况下的基本特性；
This paper, based on the dynamic experiments in the laboratory simulation model, gives a theoretical analysis on loss-of-excitation protection for large hydroelectric generators.
介绍了阳光公司1 0· 2 3事故情况，着重分析了主励磁机差动保护和发电机失磁保护的动作原因，并提出技术改造措。
It intraduces 10·23 accident in Yangguang power company, emphasize on cause of differential and magnetism loss protective action on main excitation machine and present measures of technical reform.
介绍了阳光公司1 0· 2 3事故情况，着重分析了主励磁机差动保护和发电机失磁保护的动作原因，并提出技术改造措。
It intraduces 10·23 accident in Yangguang power company, emphasize on cause of differential and magnetism loss protective action on main excitation machine and present measures of technical reform.
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