As the heart of the power factor correction circuit, the gain modulator gets a high power factor by controlling the input current.
增益调制器作为功率因数校正电路的核心电路，通过控制输入电流来得到一个高的功率因数。
A proposal using passive power factor correction method to reduce harmonics emission is introduced in this paper.
介绍了一种采用无源功率因数校正方法降低电源谐波含量的方案。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Theoretical analysis shows that the CUK circuit has inherently the features of power factor correction and soft turn off switching.
理论分析得出了CUK电路具有固有的功率因数校正和软关断开关特性。
Power factor correction (PFC) technique based on SEPIC converter is researched in this paper.
本文对基于SEPIC变换器的功率因数校正技术进行了研究。
The principle of active power factor correction circuit operated in critical inductor current mode is analyzed in this paper in detail.
文中详细分析了电感电流准连续模式的有源功率因数预校正电路的工作原理。
Among the three-phase power-factor correction circuits, the full decoupling circuit is especially suitable for high power fields because of its high input power and good electrical performance.
在三相功率因数校正电路中，全解耦型电路由于其输入功率大，电气性能较好等优势特别适用于大功率场合。
A novel low conduction loss circuit that can be used for power factor correction is presented in this paper.
本文给出了一种可用于功率因数校正的新型低通态损耗电路。
The new approaches for charge pump power factor correction (PFC), digital PFC and on - line UPS with PFC are introduced.
介绍了充电泵功率因数校正（PFC）、数字PFC和带PFC的在线UPS的几种新方法。
Principle and class of active power factor correction(APFC) are introduced.
主要介绍了有源功率因数校正（APFC）的工作原理、电路分类。
This paper discusses the principle of power factor correction (PFC) and describes the realization of a PFC rectifier.
本文介绍功率因数校正(PFC)原理，以及一个PF C整流器的实现。
The active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.
将有源功率因数校正技术引入UPQC直流储能单元的电压控制。
The working principle and characteristic of the Boost power factor correction (PFC) circuit operating in critical conduction mode are investigated.
介绍了临界模式功率因数校正电路的工作原理和特点。
To enhance the performance of UPQC, active power factor correction (APFC) technology is introduced into the DC energy storage unit of UPQC for capacitive voltage control.
为了进一步提高UPQC的性能，将有源功率因数校正(APFC)技术引入UPQC直流储能单元的直流电容电压控制，详细阐述了其工作原理，并给出了仿真实验结果。
The simulation result proves: Used this converter's topology structure, the envelope curve of import electric current follows entering voltage change. And power factor correction has been realized.
仿真分析结果证明：该变换器拓扑结构能够使输入电流的包络随着收入电压变化，有效的实现了功率因数校正。
A power factor correction circuit is connected to the regulation section.
功率因子校正电路连接到调节部分。
Power factor correction technology is an effective method of restraining harmonic currents and increasing power factor, which has been attended more and more in recent years.
功率因数校正技术是抑制谐波电流、提高功率因数的行之有效的方法，近年来受到了越来越多的关注。
The principle of charge pump for achieving power factor correction (PFC) and its unity power factor condition are analyzed.
分析了电荷泵电路实现功率因数校正（PFC）的基本原理和条件；
To reduce the component counts and the cost, the single-stage power factor correction (PFC) techniques have attracted more and more attention.
在低功率应用中，为了减少器件和成本，单级功率因数校正(PFC)技术越来越受到人们的关注。
Distribution transformer adds power factor correction capacitor in the secondary side to collect compensate, so as to advance power factor and augment the load capacity of transformer.
配电变压器二次侧增设移相电容器进行集中补偿，提高了功率因数，增大了变压器的负载能力。
Improved MPC was proposed and applied to power factor correction system of current source converter (CSC).
改进的MPC，提出并施加到功率因数校正系统的电流源转换器(CSC)。
The experimental study and theoretical analysis on a novel 3kW boost power factor correction circuit with tapped inductor are made.
对一种新型带中心抽头电感斩波升压功率因数修正电路进行了实验研究和理论分析。
Describes a power factor correction (PFC) circuit, in which the power circuit is a boost converter controlled general switch mode controller IC.
介绍了一种用普通开关电源专用集成电路控制块作为控制电路，以升压式变换器作为功率电路的功率因数校正电路。
Line, bypass and power factor correction contactor coils can be directly controlled.
控制线路、旁通和功率因素校正接触器线圈。
In this paper, the methods of power factor correction are discussed, and the principal of boost active power factor correction circuit operated in critical inductor current mode is analyzed in detail.
本文讨论了功率因数校正的方法，分析了电感电流工作于临界模式的升压式有源功率因数校正电路的原理。
The power factor correction (PFC) and half-bridge inverter circuit topology are commonly used in modern high power factor electronic ballasts.
现代高功率因数电子镇流器结构中普遍采用功率因数校正（PFC）和半桥逆变谐振电路拓扑。
A circuit topology of a combined compensation system for power factor correction, harmonic mitigation and harmonic resonance damping is proposed.
提出了一种具有功率因数校正、滤除谐波电流和抑制谐波谐振的电力系统综合补偿系统电路结构并将其成功应用于实际工程。
A novel ZVT power factor correction circuit is proposed, in which the saturable core and the-capacitor are added to the auxiliary switching network.
提出一种新型ZVT功率因数校正电路，将饱和电感和并联电客加入辅助开关网络中。
Input power factor correction function. Under full loading condition, the input power factor reaches 0.95 or above, no pollution to the electricity net environment.
输入功率因数校正功能，在满载情况下，输入功率因数可以达到0.95以上，不污染电网环境。
The model setting up method of the three module which include power factor correction circuit, two-transistor forward converter, secondly chopper circuit, is discussed in detail.
分别讨论了功率因数校正模块、双正激变换电路模块和二次斩波模块的建模方法。
应用推荐