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Review of Partial Discharge Activity Considering Very-Low Frequency and Damped Applied Voltage

Author

Listed:
  • Mohamad Ghaffarian Niasar

    (Department of Electrical Sustainable Energy, Delft University of Technology, 2628 CD Delft, The Netherlands)

  • Xiaolei Wang

    (Digital Grid Research Institute, China Southern Power Grid, Guangzhou 510663, China
    School of Automation, Guangdong University of Technology, Guangzhou 510006, China)

  • Respicius Clemence Kiiza

    (Dar es Salaam Institute of Technology, Dar es Salaam P.O. Box 2958, Tanzania)

Abstract

When detecting the presence of partial discharge (PD) activity in the insulation system in high-voltage equipment, the excitation voltages at variable frequency have been widely used instead of power-frequency (50/60 Hz) sinusoidal voltage in order to reduce the charging power. This work reviews the relevant research on PD activity at very low frequency (VLF) method, including sinusoidal or cosine-rectangular voltage shape, and damped AC (DAC) method. Based on the research history and development status, some major PD characteristics, such as PD inception voltage (PDIV), PD amplitude, PD charge, PD phase-resolved pattern, and several hot issues, such as surface charge decay and statistical time lag, have been discussed. Moreover, the advantages, disadvantages, and applied conditions of two reviewed methods has been summarized. Finally, the prospects have been made on the main development trends of this research field in the future.

Suggested Citation

  • Mohamad Ghaffarian Niasar & Xiaolei Wang & Respicius Clemence Kiiza, 2021. "Review of Partial Discharge Activity Considering Very-Low Frequency and Damped Applied Voltage," Energies, MDPI, vol. 14(2), pages 1-20, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:2:p:440-:d:480847
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    Cited by:

    1. Xiaohua Zhang & Bo Pang & Yaxin Liu & Shaoyu Liu & Peng Xu & Yan Li & Yifan Liu & Leijie Qi & Qing Xie, 2021. "Review on Detection and Analysis of Partial Discharge along Power Cables," Energies, MDPI, vol. 14(22), pages 1-21, November.

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