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

J. I.A.O. Tong; Z. H.A.N.G. Xi'nan; W. A.N.G. Benfei; C. U.I. Guangquan; M. A. Wanzhong

doi:10.1049/cje.2021.04.011

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

J. I.A.O. Tong, Z. H.A.N.G. Xi'nan, W. A.N.G. Benfei, C. U.I. Guangquan, M. A. Wanzhong

Electrical, Electronic and Computer Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

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.

Original language	English
Pages (from-to)	570-583
Number of pages	14
Journal	Chinese Journal of Electronics
Volume	30
Issue number	3
DOIs	https://doi.org/10.1049/cje.2021.04.011
Publication status	Published - May 2021

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10.1049/cje.2021.04.011

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

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.",

keywords = "DC microgrid, hybrid energy storage system, Multiple-port DC/DC converter, Renewable generation, Three-level",

author = "Tong, {J. I.A.O.} and Xi'nan, {Z. H.A.N.G.} and Benfei, {W. A.N.G.} and Guangquan, {C. U.I.} and Wanzhong, {M. A.}",

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doi = "10.1049/cje.2021.04.011",

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AU - Tong, J. I.A.O.

AU - Xi'nan, Z. H.A.N.G.

AU - Benfei, W. A.N.G.

AU - Guangquan, C. U.I.

AU - Wanzhong, M. A.

PY - 2021/5

Y1 - 2021/5

N2 - 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.

AB - 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.

KW - DC microgrid

KW - hybrid energy storage system

KW - Multiple-port DC/DC converter

KW - Renewable generation

KW - Three-level

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JO - Chinese Journal of Electronics

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

Abstract

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

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