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.
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。
A proposal using passive power factor correction method to reduce harmonics emission is introduced in this paper.
功率因数校正(PFC)是电源设计中的关键内容之一。
基于电流和电压的双环控制策略，研制了一台输出功率300w的功率因数校正电源样机。
A 300w experimental prototype of power supply with power-factor-correction function based on dual-loop control strategy is presented in this paper.
三逆变电源并联系统的功率因数校正方法。
整个电源由输入电路、功率因数校正器、主逆变器、输出滤波电路、辅助电源、均流电路等部分组成。
The system consists of the AC input stage, single phase PFC, main inverter, output low-pass filter, auxiliary power supply, and load current sharing circuit, etc.
对该功率因数校正电路进行了分析和设计，试验结果表明，该直流电源电路达到了很高的功率因数。
This paper analyse and design the boost PFC, the experiment result show that DC circuit attain high high power factor.
为了抑制谐波污染，改善电网品质，目前多在电源前级加入功率因数校正环节。
In order to restrain harmonic pollution and improve power system quality, power factor correction (PFC) circuit is applied in pre-stage of power supply.
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。
Describes a power factor correction (PFC) circuit, in which the power circuit is a boost converter controlled general switch mode controller IC.
提出了一种适用于小功率逆变电源的新型功率因数校正电路拓扑方案，分析了其基本工作原理及参数设计要求。
A novel power-factor corrector topology applicable to the small welding power inverter is proposed. The basic operation principles and design rules are presented in detail.
电源通过BOOST电路校正功率因数和调节电压，用移相全桥把直流电逆变成高频方波，然后经高频变压器升压后倍压整流得到直流高压。
The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
以新一代功率因数校正芯片CM 6800为核心，提出了一种宽电压输入、固定电压输出的LCD电视机电源的设计方案，重点讲述了CM 6800的主要特性及各主要器件参数选择。
The LCD power supply with universal input and fixed output voltage is analyzed and then designed based on CM6800. The main property of CM6800 and the main components parameter's choice are discussed.
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.
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.
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