2) unity power factor rectifier
单位功率因数整流器
1.
According to the requirement of controlling the unity power factor rectifier, a novel method , a phase locked loop (PLL), is used to track the phase of fundamental voltage.
针对单位功率因数整流器的控制要求,提出了一种利用锁相环(PLL)来检测基波电压相位,控制整流器交流侧电流与交流侧基波电压同相位的控制策略。
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：变换器式功率因数表(见变换器式电表)
变换器式功率因数表(见变换器式电表)
transducer type power factor meter
b lanhuonq一sh一gongl口y一nshub(ao变换器式功率因数表(transdueer type powerfaetor meter)见变换器式电表。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条