A Distributed Control Architecture for Cascaded H-Bridge Converter with Integrated Battery Energy Storage

Xu, Bei; Tu, Hao; Du, Yuhua; Yu, Hui; Liang, Hui; Lukic, Srdjan

doi:10.1109/tia.2020.3039430

Title: A Distributed Control Architecture for Cascaded H-Bridge Converter with Integrated Battery Energy Storage

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Abstract

Cascaded H-bridge topology has been used in grid-tied converters for battery energy storage system due to its modular structure. To fully utilize the converter’s modularity, this paper proposes a hierarchical distributed control architecture that consists of primary control, secondary control and battery state of charge (SOC) balancing control. Primary control ensures accurate current tracking while a distributed secondary control based on consensus algorithm is presented to regulate power sharing among modules and is proved to be stable theoretically. Here, a distributed SOC balancing control is further introduced to improve energy efficiency of battery energy storage system. Finally, the hierarchical distributed control strategy is implemented using hardware controllers and a software platform. Besides, a carrier phase shift control is also implemented to achieve multilevel output voltage and harmonic reduction. The experimental results demonstrate the performance of the proposed control scheme effectively.

Authors:

Xu, Bei ^[1]; Tu, Hao ^[1]; Du, Yuhua ^[1]; Yu, Hui ^[2]; Liang, Hui ^[3]; Lukic, Srdjan ^[1]

North Carolina State Univ., Raleigh, NC (United States)
North Carolina State Univ. College of Engineering, Raleigh, NC (United States)
Beijing Jiaotong Univ. (China)

Publication Date:: Thu Nov 19 00:00:00 EST 2020

Research Org.:: Vanderbilt Univ., Nashville, TN (United States)

Sponsoring Org.:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

OSTI Identifier:: 1728655

Grant/Contract Number:: AR0000666

Resource Type:: Accepted Manuscript

Journal Name:: IEEE Transactions on Industry Applications

Additional Journal Information:: Journal Volume: 57; Journal Issue: 1; Journal ID: ISSN 0093-9994

Publisher:: IEEE

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE; Battery SOC balancing; cascaded H-bridge; consensus algorithm; distributed control

Citation Formats


                    Xu, Bei, Tu, Hao, Du, Yuhua, Yu, Hui, Liang, Hui, and Lukic, Srdjan. A Distributed Control Architecture for Cascaded H-Bridge Converter with Integrated Battery Energy Storage.  United States: N. p., 2020. 
Web.  doi:10.1109/tia.2020.3039430.

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                    Xu, Bei, Tu, Hao, Du, Yuhua, Yu, Hui, Liang, Hui, & Lukic, Srdjan. A Distributed Control Architecture for Cascaded H-Bridge Converter with Integrated Battery Energy Storage.  United States.  https://doi.org/10.1109/tia.2020.3039430

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                    Xu, Bei, Tu, Hao, Du, Yuhua, Yu, Hui, Liang, Hui, and Lukic, Srdjan. Thu .  
"A Distributed Control Architecture for Cascaded H-Bridge Converter with Integrated Battery Energy Storage".  United States.  https://doi.org/10.1109/tia.2020.3039430.  https://www.osti.gov/servlets/purl/1728655.

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@article{osti_1728655,

  title        = {A Distributed Control Architecture for Cascaded H-Bridge Converter with Integrated Battery Energy Storage},

  author       = {Xu, Bei and Tu, Hao and Du, Yuhua and Yu, Hui and Liang, Hui and Lukic, Srdjan},

  abstractNote = {Cascaded H-bridge topology has been used in grid-tied converters for battery energy storage system due to its modular structure. To fully utilize the converter’s modularity, this paper proposes a hierarchical distributed control architecture that consists of primary control, secondary control and battery state of charge (SOC) balancing control. Primary control ensures accurate current tracking while a distributed secondary control based on consensus algorithm is presented to regulate power sharing among modules and is proved to be stable theoretically. Here, a distributed SOC balancing control is further introduced to improve energy efficiency of battery energy storage system. Finally, the hierarchical distributed control strategy is implemented using hardware controllers and a software platform. Besides, a carrier phase shift control is also implemented to achieve multilevel output voltage and harmonic reduction. The experimental results demonstrate the performance of the proposed control scheme effectively.},

  doi          = {10.1109/tia.2020.3039430},

  journal      = {IEEE Transactions on Industry Applications},

  number       = 1,

  volume       = 57,

  place        = {United States},

  year         = {Thu Nov 19 00:00:00 EST 2020},

  month        = {Thu Nov 19 00:00:00 EST 2020}

}

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