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.
介绍用于无源和有源功率因数校正中电感材料的特性和选择。
The characteristic and selection of inductance material for use in PPFC and APFC are introduced.
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.
主要介绍了有源功率因数校正（APFC）的工作原理、电路分类。
Principle and class of active power factor correction(APFC) are introduced.
有源功率因数校正满足EMC的谐波电流的排放限制，以及满足电压波动和闪变的限制。
Active Power Factor Correction to meet EMC limits for harmonic current emissions, and limitations of voltage fluctuations and flicker.
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.
分析了有源功率因数校正电路的工作原理，详细介绍了关键电路参数设计方法，并给出了设计实例。
The operation principle of APFC circuit is analysed, the design method of the key circuit parameter is particularly introduced, and a design example is also given.
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。
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.
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.
本文在分析X射线管外特性的基础上，设计制作了开关电源功率主电路，分析了有源功率因数校正器原理、LCC半桥谐振变换器原理及倍压整流电路原理。
This paper based on analyzing the X-Ray tube designs the switching power supply circuit, analyzes the principle of APFC, LCC half bridge resonance convertor and dual rectifier circuit.
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.
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。
The principle of active power factor correction circuit operated in critical inductor current mode is analyzed in this paper in detail.
所述单元块用于制造磁芯，该磁芯应用于PFC（功率因数校正）用有源滤波器、三相线路电抗器或汽车电子设备所用的电感器。
The unit block is used to produce cores applied to an active filter for PFC, a three-phase line reactor, or an inductor for automotive electronics.
所述单元块用于制造磁芯，该磁芯应用于PFC（功率因数校正）用有源滤波器、三相线路电抗器或汽车电子设备所用的电感器。
The unit block is used to produce cores applied to an active filter for PFC, a three-phase line reactor, or an inductor for automotive electronics.
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