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http://dx.doi.org/10.11142/jicems.2012.1.2.098

Parallel Operation of Trans-Z-Source Network Full-Bridge DC-DC Converter for Wide Input Voltage Range  

Lee, Hyeong-Min (Dept. of Electrical Engineering, Kyungpook National University)
Kim, Heung-Geun (Dept. of Electrical Engineering, Kyungpook National University)
Cha, Hon-Nyong (Dept. of Electrical Engineering, Kyungpook National University)
Publication Information
Journal of international Conference on Electrical Machines and Systems / v.1, no.2, 2012 , pp. 98-104 More about this Journal
Abstract
This paper presents a novel transformer isolated parallel connected full-bridge dc-dc converter using recently developed trans-Z-source network. Unlike the traditional voltage -fed or current-fed converters, the proposed converter can be open- and short-circuited without damaging switching devices. Therefore, the desired buck and boost function can be achieved and the converter reliability can be greatly improved. A 6 kW prototype dc-dc converter is built and tested to verify performances of the proposed converter.
Keywords
Buck-boost converter; dc-dc converter; parallel operation; interleaved PWM; trans-Z-source; Z-source;
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