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DC Fault Current Analyzing, Limiting, and Clearing in DC Microgrid Clusters

Author

Listed:
  • Navid Bayati

    (Electrical Engineering Section, Department of Mechanical and Electrical Engineering, University of Southern Denmark, 5230 Odense, Denmark)

  • Hamid Reza Baghaee

    (Department of Electrical Engineering, Amirkabir University of Technology, Tehran 15875-4413, Iran)

  • Mehdi Savaghebi

    (Electrical Engineering Section, Department of Mechanical and Electrical Engineering, University of Southern Denmark, 5230 Odense, Denmark)

  • Amin Hajizadeh

    (Department of Energy Technology, Aalborg University, 6700 Esbjerg, Denmark)

  • Mohsen N. Soltani

    (Department of Energy Technology, Aalborg University, 6700 Esbjerg, Denmark)

  • Zhengyu Lin

    (Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough LE11 3TU, UK)

Abstract

A new DC fault current limiter (FCL)-based circuit breaker (CB) for DC microgrid (MG) clusters is proposed in this paper. The analytical expressions of the DC fault current of a bidirectional interlink DC/DC converter in the interconnection line of two nearby DC MGs are analyzed in detail. Meanwhile, a DC fault clearing solution (based on using a DC FCL in series with a DC circuit breaker) is proposed. This structure offers low complexity, cost, and power losses. To assess the performance of the proposed method, time-domain simulation studies are carried out on a test DC MG cluster in a MATLAB/Simulink environment. The results of the proposed analytical expressions are compared with simulation results. The obtained results verify the analytical expression of the fault current and prove the effectiveness of the proposed DC fault current limiting and clearing strategy.

Suggested Citation

  • Navid Bayati & Hamid Reza Baghaee & Mehdi Savaghebi & Amin Hajizadeh & Mohsen N. Soltani & Zhengyu Lin, 2021. "DC Fault Current Analyzing, Limiting, and Clearing in DC Microgrid Clusters," Energies, MDPI, vol. 14(19), pages 1-19, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:19:p:6337-:d:649791
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    References listed on IDEAS

    as
    1. Abdul Wahid & Javed Iqbal & Affaq Qamar & Salman Ahmed & Abdul Basit & Haider Ali & Omar M. Aldossary, 2020. "A Novel Power Scheduling Mechanism for Islanded DC Microgrid Cluster," Sustainability, MDPI, vol. 12(17), pages 1-14, August.
    2. Zheng Xu & Huangqing Xiao & Liang Xiao & Zheren Zhang, 2018. "DC Fault Analysis and Clearance Solutions of MMC-HVDC Systems," Energies, MDPI, vol. 11(4), pages 1-16, April.
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    Cited by:

    1. Kwang-Hoon Yoon & Joong-Woo Shin & Jae-Chul Kim & Hyeong-Jin Lee & Jin-Seok Kim, 2022. "Simulation of a Low-Voltage Direct Current System Using T-SFCL to Enhance Low Voltage Ride through Capability," Energies, MDPI, vol. 15(6), pages 1-11, March.
    2. Sung-Hun Lim & Min-Ki Park & Sung-Hoon Park & Jae-Woo Chung, 2023. "Analysis on DC Fault Current Limiting Operation of Twice-Quench Trigger Type SFCL Using Transformer Considering Magnetizing Current and Current Limiting Reactor," Energies, MDPI, vol. 16(17), pages 1-14, August.
    3. Mehdi Moradian & Tek Tjing Lie & Kosala Gunawardane, 2023. "DC Circuit Breaker Evolution, Design, and Analysis," Energies, MDPI, vol. 16(17), pages 1-16, August.
    4. Surender Reddy Salkuti, 2022. "Emerging and Advanced Green Energy Technologies for Sustainable and Resilient Future Grid," Energies, MDPI, vol. 15(18), pages 1-7, September.

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