: Three-Level Boost PFC Converter 1 概述(Overview) 本演示介绍了一个单相三电平升压功率因素校正(PFC)转换器。图1显示了该转换器的电路原理图。模型中的控制器采用了PLECS组件库中的PID(比例-积分-衍生控制器)模块。 系统参数: 输入电压为60 Hz,120 V AC(rms)。 输出电压为350 V DC 开关频率为100 kHz ...
[1] L. Huber, Y. Jang and M. M. Jovanovic, “Performance Evaluation of Bridgeless PFC Boost Rectifiers” in IEEE Transactions on Power Electronics, vol. 23, no. 3, pp. 1381-1390, May 2008. [2] R.Teodorescu,F.Blaabjerg,“比例谐振控制器。一种适用于并网电压源变流器的新型控制器”,载于...
The scheme can be easily integrated into a PFC control chip. Full-order averaged model of CRM boost is derived to analyze the stability of the converter. In this project, a two-phase PFC boost converter operating with PI and Fuzzy controller at the CRM is described which employs a variation...
PFC boost converter current loop control diagram in terms of transfer 输入导纳Y(s)推导
针对交错并联Boost PFC变换器工作在电流临界模式(Critical Conduction Mode,CRM)时,过零检测方法复杂和输入电流波形畸变的问题,提出了一种新颖的控制方法。该方法基于新型开关管电压检测电路,通过检测MOS管漏源电压,并经由比较器得到过零信号,实现了开关管的零电压开
Key words :interleaved parallel;Boost PFC converter;average current control;duty cycle compensation control 0 引言 我国电动汽车产业快速发展,大量电动汽车充电行为为电网带来大量谐波[1-2]。文献[3]中采用Boost电路作为整流电路后级,实现了功率因数校正(PFC),减小了电网谐波。随着PFC技术的发展,不断有新型PFC拓扑...
Application Note 2 Revision1.1, 2016-02-22 PFC boost converter design guide Design Note DN 2013-01 V1.0 January 2013 CrCM may be considered a special case of CCM, where the operation is controlled to stay at the boundary between CCM and DCM. CrCM usually uses constant on-time control; ...
( 5) : 579 - 582. Control Circuit Design of Boost PFC Converter Wang Zhijuan ( Department of Mechatronics,Dezhou University,Dezhou Shandong 253023,China) Abstract: Average current control is one of the common control methods; it can work in CCM and DCM mode,and get the quali- fied current...
_015 Digital PFC CCM boost converter 300 W design example using XMC1400 microcontroller Robert Valascho Sam Abdel-Rahman About this document Scope and purpose This document introduces a digital control implementation for a Power Factor Correction (PFC) Continuous Conduction Mode (CCM) ...
关键词:BOOST变换器 ,功率因数PFC,峰值电流控制,平均电流控制 1引言 峰值电流模式控制简称电流模式控制。它的概念在60年代后期来源于具有原边电流保护功能的单端自激式反激开关电源。在70年代后期才从学术上作深入地建模研究。直至80年代初期,第一批电流模式控制PWM集成电路(UC3842、UC3846)的出现使得电流模式控制迅速推广...