A Single-Phase Transformerless Buck-Boost Inverter for Standalone and Grid-Tied Applications with Reduced Magnetic Volume

被引:0
作者
Akbar, Fazal [1 ]
Cha, Honnyong [1 ]
Lee, Seunghoon [1 ]
Tien-The Nguyen [1 ]
机构
[1] Kyungpook Natl Univ, Sch Energy Engn, Daegu, South Korea
来源
2019 10TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE 2019 - ECCE ASIA) | 2019年
关键词
Inductor; power density; pulse-width modulation; voltage-source inverter; CONVERTER; DC;
D O I
暂无
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
In this paper, a new single-phase single-stage transformerless inverter is proposed for grid-tied and standalone applications. The proposed inverter has low leakage current and is capable to perform both buck and boost functions. Further, as compared to the conventional state of art buck-boost inverters, it can achieve high power density because the magnetic volume is reduced significantly. High power conversion efficiency with reduced EMI concerns can be realized because only one switch operates at high frequency. Moreover, there is no need for generating high frequency deadtime because all the remaining switches operate at line frequency. In order to verify the proposed topology, a laboratory prototype is designed for 500 W and the experimental results are provided as well.
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页数:7
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