A new control strategy to achieve sinusoidal line current in a cascade buck-boost converter

被引：44

作者：

Ghanem, MC

AlHaddad, K

Roy, G

机构：

[1] Department of Electrical Engineering, Ecole de Technologie Superieure, Montreal

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 1996年 / 43卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1109/41.499817

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This work presents a detailed theoretical analysis and experimental results of a novel means of obtaining sinusoidal input current and unity power factor (UPF) via a cascade buck-boost converter. Using the new configuration, sinusoidal line current in phase with the bus voltage is achieved, thanks to a new and simple to implement control strategy, Comparison between the input and output voltages is used to select the instantaneous operating mode of the converter. Off-line references are calculated and stored in two EPROM circuits and then compared to measured currents to generate the gating signals of the appropriate switches. Complete theoretical analysis, simulation results and experimental data on a 500 W converter are presented, to demonstrate the superiority of the new control strategy. Low order harmonics in the input current are eliminated and the input power factor is found to be over 0.99.

引用

页码：441 / 449

页数：9

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