UPC strategy and implementation for buck-buck/boost PF correction converter

被引：10
作者：
Memon, Abdul Hakeem [1 ]
Yao, Kai [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Automat, Nanjing 210094, Jiangsu, Peoples R China
来源：
IET POWER ELECTRONICS | 2018年 / 11卷 / 05期
基金：
中国国家自然科学基金;
关键词：
power convertors; power factor; harmonic distortion; power semiconductor switches; UPC strategy; unity PF control strategy; boundary conduction mode buck-buck converter; boost PF correction converter; low power factor; low total harmonic distortion; high PF; input voltages; output voltages; buck-boost switches; buck witches; operating principles; BCM buck-buck converter; BCM boost converter; nonUPC; universal input prototype; HIGH-POWER-FACTOR; AC-DC CONVERTERS; VOLTAGE; COMPENSATION; LINE; BOUNDARY; DESIGN; MODE;
D O I：
10.1049/iet-pel.2016.0919
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Nowadays, low power factor (PF) is a serious problem that has gained more importance in power electronics area. In this study, a unity PF control (UPC) strategy for boundary conduction mode (BCM) buck-buck/boost PF correction converter is proposed. The proposed control strategy can achieve high PF and low total harmonic distortion by utilising the input and output voltages to modulate the on-time of both buck and buck/boost switches. The operating principles and comparative analysis of BCM buck-buck/boost converter with conventional non-UPC and UPC are analysed. For verifying the effectiveness of the proposed control strategy, the experimental verifications are carried out from a 100W universal input prototype.
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页码：884 / 894
页数：11
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