An Improved Buck-boost Power Converter for Switched Reluctance Generator Drive

被引：2

作者：

Zhu, Yinyi ^{[1
]}

Sun, Haitao ^{[1
]}

Shao, Mingzhi ^{[1
]}

Wang, Ruihao ^{[1
]}

Zhao, Zhenyu ^{[1
]}

Chen, Yan ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Coll Elect & Power Engn, Taiyuan 030000, Peoples R China

来源：

IEICE ELECTRONICS EXPRESS | 2022年

关键词：

Switched reluctance generator drive; power converter; DC-link ripples; voltage control; power losses; ELECTRIC VEHICLES; REGENERATIVE BRAKING; MOTOR; OPTIMIZATION; STRATEGY;

D O I：

10.1587/elex.19.20220488

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：

A novel buck-boost power converter is proposed to improve the performance of switched reluctance generator (SRG) system in an electric vehicle. In the proposed topology, the energy conversion part is formed by a buck-boost circuit and additional switches, with which, it is flexible to significantly boost the magnetization voltage and demagnetization voltage, thereby the output power range is improved and the power losses are reduced. The basic structure of the proposed converter is presented first and the attached operating modes are analyzed. The control strategy of the SRG system is then made to control the output voltage and the boost capacitor voltage. The simulation results show that compared to the conventional buck-boost converter, the proposed converter enhances the efficiency and reduces the power losses.

引用

页数：6

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