Secondary - Side Phase- Shift- Controlled ZVS Three Level DC/DC Converter Topology
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 3
Abstract
This paper presents a soft switching dc/dc converter with secondary - side phase shift control strategy is proposed to improve the conversion efficiency and minimize the primary switch voltage stress to half of the input voltage. The Zero Voltage Switching (ZVS) performance is achieved for both primary and secondary side devices to reduce the switching losses due to secondary side phase shift control scheme. The voltage stress of the primary switches is only half of the input voltage by employing the improved Three Level structure, which makes the low voltage rated power devices available to improve the circuit performance. This paper describes the main operational modes of the proposed converter as well as simulation results based on the MATLAB/SIMULINK software and also compares the switching losses of the proposed converter with and without Zero Voltage Switching scheme.
Authors and Affiliations
B. Tejaswi, E. Raghu Babu, J. Sivavara Prasad
Keywords
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