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http://dx.doi.org/10.6113/JPE.2013.13.6.919

Controlled-Type ZVS Technique without Auxiliary Components for Micro-inverters  

Zhang, Qian (Dept. of Electronic Eng., University of Central Florida)
Zhang, Dehua (Dept. of Electronic Eng., Zhejiang University)
Hu, Haibing (Dept. of Electronic Eng., Nanjing University of Aeronautics and Astronautics)
Shen, John (Dept. of Electrical and Computer Eng., Illinois Institute of Technology)
Batarseh, Issa (Dept. of Electronic Eng., University of Central Florida)
Publication Information
Journal of Power Electronics / v.13, no.6, 2013 , pp. 919-927 More about this Journal
Abstract
This paper proposes a Boundary Current Mode (BCM) control scheme to realize soft switching on a conventional single phase full bridge DC/AC inverter. This technique with the advantages of no auxiliary components, low cost, high efficiency, and simple in control, is attractive for micro-inverter applications. The operation principle and characteristic waveforms of the proposed soft switching technique are analyzed in theory. A digital controller is provided based on that theory. To balance the requirements of efficiency, switching frequency, and inductor size, the design considerations are discussed in detail to guide in BCM inverter construction. A 150W prototype is built under these guidelines to implement the BCM control scheme. Simulation and experiment results demonstrate the feasibilities of the proposed soft switching technique.
Keywords
BCM; Inverters; Soft-switching techniques;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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