Fanguang Shao;Kai Yao;Xinbo Ruan;Zhiqiang Xing;Tianzhi Wang;Lei Li
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引用次数: 0
Abstract
In this article, a totem-pole bridgeless power factor correction converter with zero-voltage switching (ZVS) capacitor is proposed, in which, the power switches can realize ZVS over the entire line cycle and the detection of ZVS current is simplified. The operation principle of the converter is analyzed. Regarding the resonance between ZVS capacitor and the inductor, the linearization of inductor current and the parameters of the main components are analyzed in detail. The
on
-time of switches, the voltage of ZVS capacitor and a control scheme are provided. A 100-W prototype is built in the lab to verify the operation of the proposed converter. The measured conversion efficiency and PF are 98.15% and 0.986, 97.21% and 0.984, at 220 V/100 W and 110 V/65 W, respectively.
期刊介绍：
The IEEE Transactions on Power Electronics journal covers all issues of widespread or generic interest to engineers who work in the field of power electronics. The Journal editors will enforce standards and a review policy equivalent to the IEEE Transactions, and only papers of high technical quality will be accepted. Papers which treat new and novel device, circuit or system issues which are of generic interest to power electronics engineers are published. Papers which are not within the scope of this Journal will be forwarded to the appropriate IEEE Journal or Transactions editors. Examples of papers which would be more appropriately published in other Journals or Transactions include: 1) Papers describing semiconductor or electron device physics. These papers would be more appropriate for the IEEE Transactions on Electron Devices. 2) Papers describing applications in specific areas: e.g., industry, instrumentation, utility power systems, aerospace, industrial electronics, etc. These papers would be more appropriate for the Transactions of the Society which is concerned with these applications. 3) Papers describing magnetic materials and magnetic device physics. These papers would be more appropriate for the IEEE Transactions on Magnetics. 4) Papers on machine theory. These papers would be more appropriate for the IEEE Transactions on Power Systems. While original papers of significant technical content will comprise the major portion of the Journal, tutorial papers and papers of historical value are also reviewed for publication.
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