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http://dx.doi.org/10.6113/JPE.2013.13.1.1

Resonant CLL Non-Inverting Buck-Boost Converter  

Jabbari, Masoud (Department of Electrical Engineering, Najafabad Branch, Islamic Azad University)
Sharifi, Saead (Department of Electrical Engineering, Najafabad Branch, Islamic Azad University)
Shahgholian, Ghazanfar (Department of Electrical Engineering, Najafabad Branch, Islamic Azad University)
Publication Information
Journal of Power Electronics / v.13, no.1, 2013 , pp. 1-8 More about this Journal
Abstract
This paper presents a resonant non-inverting buck-boost converter in which all switches operate under ZCS conditions. In a symmetric configuration, a CLL resonant tank along with an inverter arm and a rectifying diode are employed. The diode is turned off at ZCS and hence the problem of its reverse recovery is obviated also. As a result switching losses and EMI are reduced and switching frequency can be increased. The converter can work at DCM and CCM depend on the switching frequency and the load-current. Experimental results from a 200W/200KHz laboratory prototype verify operation of the proposed converter and the presented theoretical analysis.
Keywords
Non-inverting buck-boost; Resonant power conversions; Soft-switching; ZCS; Power supply;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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