Damage be divided into two: one is a good set of stator shielding, and the occurrence of stator windings, the breakdown phase, the coil turn-to-turn short circuit, overload caused by burnt windings.

损坏情况大体分为两种：一种是定子屏蔽套良好，而定子绕组发生对地、相间击穿，线圈匝间短路，过载而造成绕组烧毁。

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The situations of the 11 phase brushless exciter in case of faults such as open circuit of one of diodes, short circuit of one of diodes, are analyzed.

故障工况包括一个二极管支路断开及一个二极管支路短路情况。

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Two Solutions to the model equivalent parameter estimation are proposed, one based on the three-phase short-circuit capacity, this method works with good computational speed, but accuracy is not high;

对该模型提出两种求解方法，一是基于三相短路容量思想的等值参数估计，计算速度快，但精度不高；

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