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Simulation Tools and Techniques. 13th EAI International Conference, SIMUtools 2021, Virtual Event, November 5-6, 2021, Proceedings

Research Article

Simulation Research on Modular DC Grid-Connected PV System

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  • @INPROCEEDINGS{10.1007/978-3-030-97124-3_18,
        author={Qi Zhou and En Fang},
        title={Simulation Research on Modular DC Grid-Connected PV System},
        proceedings={Simulation Tools and Techniques. 13th EAI International Conference, SIMUtools 2021, Virtual Event, November 5-6, 2021, Proceedings},
        proceedings_a={SIMUTOOLS},
        year={2022},
        month={3},
        keywords={Three-port converter Photovoltaic power generation system Voltage sharing control},
        doi={10.1007/978-3-030-97124-3_18}
    }
    
  • Qi Zhou
    En Fang
    Year: 2022
    Simulation Research on Modular DC Grid-Connected PV System
    SIMUTOOLS
    Springer
    DOI: 10.1007/978-3-030-97124-3_18
Qi Zhou1, En Fang1,*
  • 1: School of Electrical and Control Engineering, Xuzhou University of Technology, Xuzhou
*Contact email: fangen@cumt.edu.cn

Abstract

An efficient three-port interleaved boost LLC resonant converter is used as the basic converter unit of the modular DC grid-connected photovoltaic system in this paper. The bi-directional port of the converters is connected through a low voltage DC bus to solve the problem of unbalanced output power and voltage oscillation of each module in the system. The simulation platform of modular DC grid-connected photovoltaic system based on three-port interleaved boost LLC resonant converters is built. The operational principles and characteristics of interleaved boost LLC resonant converter are verified by simulation. The rationality and effectiveness of the modular DC grid-connected photovoltaic system and its voltage sharing control strategy are also demonstrated.

Keywords
Three-port converter Photovoltaic power generation system Voltage sharing control
Published
2022-03-31
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-97124-3_18
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