用于功率因数校正的单级单开关AC/DC变换器性能分析

2015 International Conference on Power, Instrumentation, Control and Computing (PICC) Pub Date : 2015-12-01 DOI:10.1109/PICC.2015.7455790

Meenu Rose, T. G. Sanish Kumar

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引用次数: 0

摘要

本文对单级单开关AC/DC变换器进行了分析。它集成了用于功率因数校正的降压转换器和用于电压调节的降压升压转换器。由于采用降压变换器，中间母线电压较低，元件应力较小。不需要变压器，元件数量少，成本低。由于电能直接传输的特点，实现了较高的转换效率。利用MATLAB/Simulink对该变换器进行了闭环操作，并成功地进行了测试。仿真结果表明，采用集成的buck-buck-boost变换器可以改善功率因数，提高输出稳压。

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Performance analysis of a single-stage single-switch AC/DC converter for power factor correction

Here, a single-stage single-switch AC/DC converter is analyzed. It integrates a buck converter for power factor correction and buck-boost converter for voltage regulation. Because of buck converter, intermediate bus voltage is less and it leads to less component stress. Absence of transformer leads to less component count and cost. Due to direct power transfer feature, high conversion efficiency is achieved. Closed loop operation of this converter is done and successfully tested by using MATLAB/Simulink. Simulation result shows the improvement of power factor and tight output voltage regulation using the integrated buck-buck-boost converter.

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2015 International Conference on Power, Instrumentation, Control and Computing (PICC)

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