A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems
A three-port bidirectional multi-element resonant converter is developed in this paper. It contains multiple resonant components, which leads to various resonant frequencies. Due to the appropriate placement of these frequencies, the transfer of the fundamental and the third-order harmonic active po...
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doaj-99ffe560fe3842698b4ea03f101c349e2021-03-29T21:21:43ZengIEEEIEEE Access2169-35362018-01-016613316134110.1109/ACCESS.2018.28726838478141A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage SystemsYifeng Wang0Fuqiang Han1https://orcid.org/0000-0002-4265-4139Liang Yang2Rong Xu3Ruixin Liu4School of Electrical and Information Engineering, Tianjin University, Tianjin, ChinaSchool of Electrical and Information Engineering, Tianjin University, Tianjin, ChinaNational Electric Power Dispatching and Control Center, State Grid Corporation of China, Beijing, ChinaDepartment of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX, USASchool of Electrical and Information Engineering, Tianjin University, Tianjin, ChinaA three-port bidirectional multi-element resonant converter is developed in this paper. It contains multiple resonant components, which leads to various resonant frequencies. Due to the appropriate placement of these frequencies, the transfer of the fundamental and the third-order harmonic active power is guaranteed. Besides, a non-ideal isolated transformer is considered, as the parasitic leakage inductor is often ignored for the multi-port resonant converter. A systematic design procedure is proposed to reduce the coupling power between two input ports. It turns out to be instructive for the decoupled power flow management of the multi-element resonant converters. Preferred parameters are easily selected by means of the small signal model established in this paper. It contributes to the improvement of degree of control freedom consequently, with respect to the complex decoupling matrices. In the end, a 750-W prototype is built in the laboratory. The feasibility of theoretical analyses is verified by experimental results. In addition, zero-voltage-switching characteristics for all the power switches of the three ports are achieved. The highest conversion efficiency is 96.3%.https://ieeexplore.ieee.org/document/8478141/Bidirectionalpower flowthree-portmulti-element resonant convertersoft-switching |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yifeng Wang Fuqiang Han Liang Yang Rong Xu Ruixin Liu |
spellingShingle |
Yifeng Wang Fuqiang Han Liang Yang Rong Xu Ruixin Liu A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems IEEE Access Bidirectional power flow three-port multi-element resonant converter soft-switching |
author_facet |
Yifeng Wang Fuqiang Han Liang Yang Rong Xu Ruixin Liu |
author_sort |
Yifeng Wang |
title |
A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems |
title_short |
A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems |
title_full |
A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems |
title_fullStr |
A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems |
title_full_unstemmed |
A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems |
title_sort |
three-port bidirectional multi-element resonant converter with decoupled power flow management for hybrid energy storage systems |
publisher |
IEEE |
series |
IEEE Access |
issn |
2169-3536 |
publishDate |
2018-01-01 |
description |
A three-port bidirectional multi-element resonant converter is developed in this paper. It contains multiple resonant components, which leads to various resonant frequencies. Due to the appropriate placement of these frequencies, the transfer of the fundamental and the third-order harmonic active power is guaranteed. Besides, a non-ideal isolated transformer is considered, as the parasitic leakage inductor is often ignored for the multi-port resonant converter. A systematic design procedure is proposed to reduce the coupling power between two input ports. It turns out to be instructive for the decoupled power flow management of the multi-element resonant converters. Preferred parameters are easily selected by means of the small signal model established in this paper. It contributes to the improvement of degree of control freedom consequently, with respect to the complex decoupling matrices. In the end, a 750-W prototype is built in the laboratory. The feasibility of theoretical analyses is verified by experimental results. In addition, zero-voltage-switching characteristics for all the power switches of the three ports are achieved. The highest conversion efficiency is 96.3%. |
topic |
Bidirectional power flow three-port multi-element resonant converter soft-switching |
url |
https://ieeexplore.ieee.org/document/8478141/ |
work_keys_str_mv |
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1724193111854284800 |