A Multiple-Port Three-Level DC/DC Converter for HESS with Power Sharing in DC Microgrids

JIAO Tong; ZHANG Xi'nan; WANG Benfei; CUI Guangquan; MA Wanzhong

doi:10.1049/cje.2021.04.011

Volume 30 Issue 3

May 2021

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Article Navigation > Chinese Journal of Electronics > 2021 > 30(3): 570-583

JIAO Tong, ZHANG Xi'nan, WANG Benfei, CUI Guangquan, MA Wanzhong. A Multiple-Port Three-Level DC/DC Converter for HESS with Power Sharing in DC Microgrids[J]. Chinese Journal of Electronics, 2021, 30(3): 570-583. doi: 10.1049/cje.2021.04.011

Citation:

JIAO Tong, ZHANG Xi'nan, WANG Benfei, CUI Guangquan, MA Wanzhong. A Multiple-Port Three-Level DC/DC Converter for HESS with Power Sharing in DC Microgrids[J]. Chinese Journal of Electronics, 2021, 30(3): 570-583. doi: 10.1049/cje.2021.04.011

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A Multiple-Port Three-Level DC/DC Converter for HESS with Power Sharing in DC Microgrids

doi: 10.1049/cje.2021.04.011

1. State Grid Liaoning Marketing Service Center, Liaoning, 110000, China;
2. University Of Western Australia, Perth, WA, Australia;
3. Sun Yat-sen University, Guangzhou, 510275, China

Received Date: 2019-12-25

Abstract

Abstract

In order to reduce the volume, weight and cost of conventional hybrid energy storage system (HESS) while properly exploring the complementary features of different energy storage devices for DC microgrid applications, this paper proposes a multiple-port three-level DC/DC converter. It possesses multiple ports sharing one front-end three-level DC/DC converter with an inductor and supercapacitor bank. Different types of batteries and/or multiple battery banks can be interfaced through the multiple terminals. Such a converter structure facilitates the cooperation of different energy storage devices to satisfy various power demands of DC microgrids with intermittent renewable generation plants. Moreover, the proposed structure allows power sharing among different energy storage devices, which enables more efficient cooperation of different battery banks or different types of batteries. Experimental results are presented to verify the efficacy of the proposed converter structure and its control.
- Multiple-port DC/DC converter,
- Three-level,
- hybrid energy storage system,
- Renewable generation,
- DC microgrid

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References(22)

References

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