Multi-input Step-Up Converters Based on the Switched-Diode-Capacitor Voltage Accumulator

被引:78
作者
Hou, Shiying [1 ]
Chen, Jianfei [1 ]
Sun, Tao [1 ]
Bi, Xiaohui [1 ]
机构
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Coll Elect Engn, Chongqing 400044, Peoples R China
关键词
High efficiency; high voltage gain; low component stress; multi-input; simple control; switched-diode-capacitor voltage accumulator (SDCVA); DC-DC CONVERTERS; MULTIPLIER CELLS; BOOST CONVERTER; INDUCTOR;
D O I
10.1109/TPEL.2015.2399853
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper introduces the application of a switched-diode-capacitor voltage accumulator (SDCVA) on conventional boost converter. This study aims to obtain two different kinds of multi-input step-up converters with high voltage gains, low component stresses, low ripples, simple control, and high conversion efficiencies: one is based on the parallel SDCVA and the other based on the serial SDCVA. The double-input step-up converter based on the parallel SDCVA and the double-input step-up converter based on the serial SDCVA are, respectively, taken as an example to do theoretical analysis, including operating principles and performance analyses when they work individually and simultaneously. The two proposed converters are implemented with a voltage closed-loop control at the switching frequency of 30 kHz. Experimental results obtained from the implemented prototypes are provided to validate the feasibility and effectiveness of the proposed converters.
引用
收藏
页码:381 / 393
页数:13
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