generator loss-of-excitation protection

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。

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。