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.
这是因为电励磁的同步电动机可通过调节励磁电流来改变其磁场和功率因数，使输出的机械特性与负载特性相匹配。
Synchronous motor excitated magnet by direct current can make output mechanism specialities matched load specialities by means of adjusting exciting current to change magnetic field and power factor.
常用的励磁控制方法主要有三种：恒励磁电流、恒功率因数、恒给定开环控制。
There are three usual methods for excitation control following constant excitation current, constant power factor, and constant setting open-loop control.
所述单元块用于制造磁芯，该磁芯应用于PFC（功率因数校正）用有源滤波器、三相线路电抗器或汽车电子设备所用的电感器。
The unit block is used to produce cores applied to an active filter for PFC, a three-phase line reactor, or an inductor for automotive electronics.
控制方式具有恒机端电压励磁调节、恒励磁电流调节、恒功率因数励磁三种。
The control way of system has 3-patterns: exciting regulator of constant terminal voltage, constant exciting current regulator and exciting regulator of constant power factor.
如何计算交流励磁机的电枢反应，功率因数，及其所需的励磁磁势。
How to calculate the armature which is exchanged the exciter to reflect, power factor, and necessary excitation magnetism tendency.
如何计算交流励磁机的电枢反应，功率因数，及其所需的励磁磁势。
How to calculate the armature which is exchanged the exciter to reflect, power factor, and necessary excitation magnetism tendency.
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