阐述了模型参考诊断方法在励磁系统功率单元的具体应用。
The application of the model based fault diagnosis to the power unit of an excitation control system is described.
而不同容量的负载，以及负载的不同功率因数，对同步发电机励磁磁场的作用是不同的，对同步发电机的内部阻抗压降的作用也是不一样的。
The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.
而且调节励磁不仅可以调节发电机的无功功率，还可以调节发电机的有功功率和转速。
Under proper excitation control, the reactive power, active power and speed of an ASG can be independently adjusted, respectively.
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