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Using Matlab/Simulink Software Package to Investigate Fault Behaviors in HVDC System

Author

Listed:
  • Olumoroti Ikotun

    (Department of Electrical and Electronics Engineering, Federal University Oye-Ekiti, P.M.B. 373, Km 3 Oye-Afao Road, Oye-Ekiti 370112, Ekiti State, Nigeria)

  • Ephraim Bonah Agyekum

    (Department of Nuclear and Renewable Energy, Ural Federal University Named after the First President of Russia Boris Yeltsin, 19 Mira Street, 620002 Ekaterinburg, Russia)

  • Emad M. Ahmed

    (Department of Electrical Engineering, College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia
    Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt)

  • Salah Kamel

    (Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt)

Abstract

Existing studies show that several performance issues will arise in the HVDC link during the three phase-to-ground fault at the side of the inverter and that the DC voltage will oscillate around zero and will not affect the rectifier of the AC system though the inverter of the AC system, and the AC voltages will become zero and the AC currents will show high amplitude as well as minor disturbances. It has also been argued that when the fault is applied on a single-phase to ground fault at the inverter side on the AC side, the voltage will decrease. In this paper, we focus on single line-to-ground fault, double line-to-ground fault, and three phase-to-ground fault at the inverter of the AC system and their behavior on the DC link as well as on the AC system of the rectifier with detailed simulations. A high voltage direct current (HVDC) Monopolar system is modeled using a Matlab/Simulink software package for the research. The results show that during the three phase-to-ground fault at the AC system of the inverter, the DC voltage will increase with a bogus waveform and the currents of the AC system at the rectifier will collapse to zero.At the double phase-to-ground fault level, the DC voltage will experience an increase in waveform while the currents of the AC system of the rectifier will experience different disturbances. At the single phase-to-ground fault level, the DC voltage will remain stable and the rectifier side of the AC system will also experience a stable state for both currents and voltages.

Suggested Citation

  • Olumoroti Ikotun & Ephraim Bonah Agyekum & Emad M. Ahmed & Salah Kamel, 2022. "Using Matlab/Simulink Software Package to Investigate Fault Behaviors in HVDC System," Mathematics, MDPI, vol. 10(16), pages 1-17, August.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:16:p:3014-:d:893899
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    Citations

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    Cited by:

    1. Manlin Chen & Zhijie Zhou & Xiaoxia Han & Zhichao Feng, 2023. "A Text-Oriented Fault Diagnosis Method for Electromechanical Device Based on Belief Rule Base," Mathematics, MDPI, vol. 11(8), pages 1-25, April.

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