1) approximate unity power factor (UPF) control
近似单位功率因数控制
2) unity power factor control
单位功率因数控制
1.
For the three phase PMSM taking into consideration of the 6th and 12th harmonics of the permanent magnet flux link on the d and q axes,the controlling formulas of maximum torque per ampere control and unity power factor control are deduced according to the mathematic model of the PMSM.
对于考虑转子永磁磁链d,q轴6,12次谐波的三相正弦波永磁同步电机,根据其数学模型推导了基于最大转矩/电流控制、单位功率因数控制的控制公式,指出转子永磁磁通谐波的存在不可避免地产生了与转子位置角相关的转矩脉动。
3) power factor/one cycle control
功率因数/单周期控制
4) unity power factor
单位功率因数
1.
Study and application of unity power factor elevator energy-regeneration system based on improved phase and amplitude control;
基于改进型幅相控制的单位功率因数电梯能量回馈器研究
2.
A current feedforward control for three-phase unity power factor SAPWM converter;
一种电流前馈控制的单位功率因数三相SAPWM变流器
3.
Maximum transmission power of unity power factor PWM rectifier;
单位功率因数PWM整流器最大传递功率研究
5) unit power factor
单位功率因数
1.
Research on low cost AC-DC-AC transducer with unit power factor correction;
单位功率因数低成本交—直—交变频电路的研究
2.
Based on the mathematical model of three phase PWM high frequency rectifier, the theory of dual-close-loop controller and implementation of unit power factor of the supply-side rectifier in the doubly-fed generating system are analyzed.
基于三相PWM高频整流器的数学模型,详细分析了双馈发电系统中电网侧整流器的双闭环控制原理和单位功率因数的实现方法。
3.
Considering the frequent change in the loads of the ship electric power systems,this paper presented to use the shunt active power filter based on unit power factor(UPF) harmonic current detection method for harmonic suppression.
提出将基于单位功率因数(UPF)的谐波电流检测方法用于舰船电力系统,并针对舰船电力系统负载变化频繁的特点,采用基于UPF谐波电流检测的并联型有源电力滤波器对其谐波进行抑制。
6) unity power factor(UPF)
单位功率因数(UPF)
补充资料：近似
相近或相像但不相同：这两个地区的方音有些～。
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参考词条