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http://dx.doi.org/10.6113/JPE.2016.16.5.1735

An Interleaved Five-level Boost Converter with Voltage-Balance Control  

Chen, Jianfei (School of Electrical Engineering, Chongqing University)
Hou, Shiying (School of Electrical Engineering, Chongqing University)
Deng, Fujin (Department of Energy Technology, Aalborg University)
Chen, Zhe (Department of Energy Technology, Aalborg University)
Li, Jian (School of Electrical Engineering, Chongqing University)
Publication Information
Journal of Power Electronics / v.16, no.5, 2016 , pp. 1735-1742 More about this Journal
Abstract
This paper proposes an interleaved five-level boost converter based on a switched-capacitor network. The operating principle of the converter under the CCM mode is analyzed. A high voltage gain, low component stress, small input current ripple, and self-balancing function for the capacitor voltages in the switched-capacitor networks are achieved. In addition, a three-loop control strategy including an outer voltage loop, an inner current loop and a voltage-balance loop has been researched to achieve good performances and voltage-balance effect. An experimental study has been done to verify the correctness and feasibility of the proposed converter and control strategy.
Keywords
Five-level; boost; Switched-capacitor; Three-loop; Voltage-balance;
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