The current situation of generator loss of excitation protection and the usual scheme of loss of excitation protection based on impedance principle are introduced.
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。
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.
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。
For synchronous generator, loss of excitation is a serious fault and the corresponding protection often refuse to operate.
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。
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