Multiphase Interleaved Converter Based on Cascaded Non-Inverting Buck-Boost Converter

被引:30
作者
Alajmi, Bader N. [1 ]
Marei, Mostafa, I [2 ]
Abdelsalam, Ibrahim [3 ]
Ahmed, Nabil A. [1 ]
机构
[1] Publ Author Appl Educ & Training, Dept Elect Engn, Coll Technol Studies, Shuwaikh 70654, Kuwait
[2] Ain Shams Univ, Fac Engn, Elect Power & Machines Dept, Cairo 11517, Egypt
[3] Arab Acad Sci Technol & Maritime Transport, Coll Engn & Technol, Dept Elect & Control, Cairo 2033, Egypt
关键词
Interleaved buck-boost converter; ac-dc converter; and dc-dc converter; DESIGN;
D O I
10.1109/ACCESS.2022.3168389
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper introduces an interleaved buck-boost converter with reduced power electronics devices count in comparison with the conventional topology. The proposed converter consists of a single buck converter followed by n parallel interleaved boost converters. The buck switch is gated only if any of the boost switches is gated. In addition to the reduced switches count, the proposed converter offers the following advantages, soft start-up and shutdown capabilities. In addition, the buck stage gives the ability to protect the power electronic devices and to isolate the supply during load failure or overload. Moreover, the proposed converter performs as an interleaved boost converter for high voltage gain requirements with the same switching scheme. Furthermore, it offers fast dynamic performance with smooth transition from the buck mode to the boost mode. This paper investigates the eight different operating zones of the proposed three-phase interleaved buck-boost converter for non-overlapping gate signals operation. The detailed analysis and zones of operation are presented and experimentally validated. In addition, a simple control system is presented to operate the proposed converter as dc-dc converter or ac-dc converter. More study cases are carried out to evaluate the different capabilities of the proposed converter.
引用
收藏
页码:42497 / 42506
页数:10
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