功率因数角是有功功率和视在功率的夹角。对发电机而言，存在两个功率因数角：内功率因数角y和外功率因数角j。
Microsoft Word - 74.doc 关键词： 功率因数角； CPLD；仿真 [gap=751]Key words: power-factor angle; CPLD; simulation
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更正系数是补退电费的重要依据，但更正系数中的功率因数角也是未知数。
Correction coefficient is important to electric charge refund, but its power factor Angle is unknown.
分析了影响功率因数角的因素，研究了定角控制的基本原理，给出了定角控制方法的实现方案。
Elements that affect the output power factor Angle are analyzed, the basic principle of constant power factor Angle control is studied and its realization scheme is presented.
对于电动机起动需要控制起动电流和转矩震动的问题，采用双闭环的控制方案，即电流闭环控制和功率因数角闭环控制。
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
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