最后概括了有源功率因数校正技术的发展趋势。
At the end of the article, it summarizes the trends of active PFC technology.
这使得功率因数校正技术成为电力电子研究的热点之一。
As a result of it, PFC has become one of the study focuses in power electronics.
本文先阐述LED驱动电路和功率因数校正技术的基本原理。
In this paper, fundamental working principle of LED driving circuit and Power factor corrections (PFC) technique is given.
本文对基于SEPIC变换器的功率因数校正技术进行了研究。
Power factor correction (PFC) technique based on SEPIC converter is researched in this paper.
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 active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.
功率因数校正技术对输入电流进行校正，提高设备利用率，减少谐波对电网的污染。
Power Factor Correction (PFC) technique make input current waves sine, improve efficiency of the system and reduce harmonic waves.
无源功率因数校正技术具有简单及成本低的优点，在小功率应用场合具有广阔的前景。
Passive solutions are very attractive topologies for low power applications, due to the theirs simplicity and low cost.
有源功率因数校正技术(PFC)作为一种有效的谐波抑制方法，得到了广泛而深入地研究与应用。
As an effective way of eliminating high frequency harmonic, active Power Factor Correction (PFC) technology has been deeply researched and has broad application.
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。
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.
本文首先介绍了功率因数校正技术的基本原理和基本方法，对单级功率因数校正技术的现状进行了分析和对比。
Firstly this paper introduces the principles and methods of power factor correction technology, and single-stage power factor correction techniques are analyzed and compared.
用电设备的功率因数是衡量其性能的一项重要指标，而提高功率因数的最根本和有效的途径就是采用有源功率因数校正技术。
The Power Factor of electronic devices is a main index to judging their performance, while Active Power Factor Correction (APFC) is a radical and effective approach to improve Power Factor.
本文研究了有源功率因数校正技术中的临界导通模式的基本原理，并对其中的电压基准源和模拟乘法器做了详细的分析和设计。
In this paper, we studied on critical current mode active Power Factor Correction technology, and did a detailed analysis and design on voltage reference circuit and analog multiplier circuit.
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。
To reduce the component counts and the cost, the single-stage power factor correction (PFC) techniques have attracted more and more attention.
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。
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.
提出了一种基于临界电流模式的峰值电流控制技术来实现开关电源的功率因数校正任务。
A critical current mode based on the peak current control technology to achieve switching power supply power factor correction task is proposed.
本文的研究包括了软开关、功率因数校正和电力电子集成技术等三个方面的内容。
This dissertation is focused on the research of soft-switching technology, PFC technology, and integrated power electronic module.
本文的研究包括了软开关、功率因数校正和电力电子集成技术等三个方面的内容。
This dissertation is focused on the research of soft-switching technology, PFC technology, and integrated power electronic module.
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