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Design and Implementation of Novel Fault Ride through Circuitry and Control for Grid-Connected PV System

Author

Listed:
  • Donghwi Kim

    (Department of Electrical Engineering, Kwangwoon University, Seoul 01897, Korea)

  • Umar Fitra Ramadhan

    (Department of Electrical Engineering, Kwangwoon University, Seoul 01897, Korea)

  • Saif Ul Islam

    (Department of Electrical Engineering, Kwangwoon University, Seoul 01897, Korea)

  • Seungmin Jung

    (Department of Electrical Engineering, Hanbat National University, Daejeon 34158, Korea)

  • Minhan Yoon

    (Department of Electrical Engineering, Kwangwoon University, Seoul 01897, Korea)

Abstract

This paper provides a comparison of a designed method of a fault ride through (FRT) circuit, i.e., switch-type fault current limiter (STFCL) and bridge-type fault current limiter (BFCL), to optimize the electrical parameters of grid-connected solar systems (PVSs) under asymmetric single line-to-ground fault and symmetric three-phase fault. The main differences between switch- and bridge-type fault current limiters is the electric component devices such as the bridge rectifier, snubber capacitor, energy absorption bypass and current-limiting inductors. In addition, the designed FRT performance with the inverter control are analyzed in-depth, e.g., a well-adjusted proportional integral (PI) and proposed steepest descent (SD) controller are compared in the fault condition. To compare the proposed method with the conventional method, the AC power and voltage on a common coupling point (PCC) and DC link voltage of the PV system are analyzed with a MATLAB/Simulink model of a 100 kW three-phase grid-connected photovoltaic system. The simulation results of the proposed FRT circuit and SD controller verify the stability improvement and vibration-free and fast and robust responses of electrical parameters on both PV grid sides during asymmetric disturbances.

Suggested Citation

  • Donghwi Kim & Umar Fitra Ramadhan & Saif Ul Islam & Seungmin Jung & Minhan Yoon, 2022. "Design and Implementation of Novel Fault Ride through Circuitry and Control for Grid-Connected PV System," Sustainability, MDPI, vol. 14(15), pages 1-19, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:15:p:9736-:d:882702
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    References listed on IDEAS

    as
    1. Thuy Vi Tran & Myungbok Kim & Kyeong-Hwa Kim, 2019. "Frequency Adaptive Current Control Scheme for Grid-connected Inverter without Grid Voltage Sensors Based on Gradient Steepest Descent Method," Energies, MDPI, vol. 12(22), pages 1-27, November.
    2. Andres Pizarro-Lerma & Victor Santibañez & Ramon Garcia-Hernandez & Jorge Villalobos-Chin, 2021. "Sectorial Fuzzy Controller Plus Feedforward for the Trajectory Tracking of Robotic Arms in Joint Space," Mathematics, MDPI, vol. 9(6), pages 1-40, March.
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