[电]功率因数；功率系数

power factors───[电]功率因数；功率系数

wow factor───令人叫好的性质；使人惊奇的因素；叫好率

filter factor───[光]滤光因数

growth factor───[数]增长因子；[航]增长系数；放大因子；经济增长因素

power failure───停电；电源故障

corn factor───玉米因子

house factor───房屋系数

key factor───关键因素；[计]主要因素

load factor───负荷系数，载荷因素

Efficiency and power factor are two important parameter in electrical and electronic engineering.───效率和功率因数是电气与电子工程中的两个重要参数.

Line - start permanent magnet synchronous machine has high efficiency and power factor.───异步起动永磁同步电动机具有较高的功率因数和效率,同时具有异步起动能力.

Automatic compensation load reactive power, enhancing the load power factor.───自动补偿负荷无功功率, 提高负荷功率因数.

Performance at the unity power factor for a 5 bus power system.───表现在单位功率因数为5总线电源系统.

Voltage Control and Power Factor correction.───电压控制与功率因素调整.

One of the key factors of affecting power factor of rectifiers is control technique.───控制技术是影响整流器功率因数的关键因素之一。

This thesis describes the main characters and development of power factor correction (PFC) technology. Its investigative necessity and importance are clarified.───本文介绍了功率因数校正(PFC)技术的发展及其主要特点，阐明了其研究的必要性和重要性。

In this thesis, a half - bridge charger, which includes zero - voltage switching and power factor correction, is implemented.───文中研制一部 半桥 式具 零电压 切换与功因校正转换器之充电器.

Line, bypass and power factor correction contactor coils can be directly controlled.───可直接控制线路 、 旁通和功率因素校正接触器线圈.

The constant power factor control is a simple and effective energy optimized control strategy.───感应电机的恒功率因数控制是一种简单、有效的能量最优控制方法.

To increase power factor, the current distortion can be reduced by harmonic suppression technology.───为提高逆变电源的功率因数, 必须采用谐波抑制技术降低输入电流的谐波畸变率.

It is real power ( kW ) divided by the power factor ( PF ) .───它等于有功功率 ( kW )除以功率因数.

Moreover users can set some parameters such as power factor upper limit limit and so on.───同时用户可根据需要设定功率因数上、下限,过电压值等参数.

The movement of reactive power influences the power factor and power supply quality.───无功功率的变化直接影响着用户的功率因数及供电电压质量.

This paper introduces a device of power - factor automation compensation.───介绍一种自行研制的高压电网微机功率因数自动补偿装置.

High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.───通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。

Some method of raising power factor is presented in this paper.───本文介绍了几种提高家用电网功率因数的方法.

Low harmonics, high power factor, and the ballast with.───低谐波 、 高功率因数 、 带有滤波器件的整流器.

Lower power factor and larger harmonic current of color monitor seriously pollute public electric network.

An energy saving strategy, which aimed at the problem of arc welding transformer with high open energy wastage and low power factor, is proposed.

Although there are some formulas for power factor in three phase asymmetric conditions, but the definition of power factor both in nonsinusoidal and asymmetric conditions is still questionable.

This thesis analyses and studies - phase voltage source and - phase current source high power factor PWM converter.

Because of the poor power factor and other concerns regarding a large phase back, multiple tap transformers are recommended even when the control device is a SCR.

In this paper, the AC regulated power supply has the features of no contact, wide voltage controlled range, high voltage precision, fast dynamic response and high power factor and efficiency.

Main effect factors on the power factor of driving motor used for linear compressor were analyzed to ensure high motor performance, including radian frequency ratio and damping ratio.

Voltage Control and Power Factor correction.

Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.