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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cos u i λ ϕ ϕ ϕ ϕ = = − 称为功率因数(power factor) 称功率因数角(power-factor angle) 在正弦稳态情况下,平均功率不仅与电压、电流的有 效值有关,而且与电压、电流的位相差有关。
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power network power factor angle 电网功率因数角
adjustment of power factor angle 功率因数角调节
power factor angle 功率因素角 ; 功率因数角
load power factor angle 负载功率因数角
inner power factor angle 内功率因数角
internal power factor angle 内功率因数角
power factor angle of load 负载功率因数角
Angle of Power Factor 功率因数Φ角
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.
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。
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.
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。
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