An improved Analysis method of Loss for the LCLC Multi-Resonant Three-Port Bidirectional DC-DC Converter

被引：0

作者：

Chen, Bo ^{[1
]}

Wang, Yifeng ^{[1
]}

Wang, Ping ^{[1
]}

Li, Wei ^{[1
]}

Han, Fuqiang ^{[1
]}

Yang, Liang ^{[1
]}

机构：

[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin, Peoples R China

来源：

THIRTY-THIRD ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2018) | 2018年

关键词：

bi-directional DC-DC converter; three-port converter; soft switching; multi-resonant converter; loss distribution; DESIGN; POWER; SYSTEMS;

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 topology of LCLC multi resonant three-port bidirectional DC-DC converter(MR-TPC) is proposed. It can improve the efficiency and reduce the peak current by introducing 3rd harmonic component of the resonant current. Even at the light-load state, MR-TPC still achieves high efficiency. Besides, an improved loss analysis method is also proposed for the MR-TPC with fully consideration of the influence of 3rd and higher harmonics on the losses, and thus enhances the calculation precision. To verify the theoretical analyses, experiments have been conducted, and the obtained results indicated that (a) the MR-TPC exhibited excellent performance with more than 96% efficiencies among wide load range; (b) the proposed loss analysis method is quite helpful to an accurate evaluation on the loss distribution.

引用

页码：2129 / 2134

页数：6

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