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Implementation of Non-Destructive Electrical Condition Monitoring Techniques on Low-Voltage Nuclear Cables: I. Irradiation Aging of EPR/CSPE Cables

Author

Listed:
  • Ehtasham Mustafa

    (Department of Electrical Engineering, Gomal University, Dera Ismail Khan 29050, Pakistan
    Department of Electric Power Engineering, Budapest University of Technology and Economics, H-1111 Budapest, Hungary)

  • Ramy S. A. Afia

    (Department of Electric Power Engineering, Budapest University of Technology and Economics, H-1111 Budapest, Hungary
    Department of Electrical Power & Machines Engineering, Helwan University, Cairo 11792, Egypt)

  • Oumaima Nouini

    (Department of Electric Power Engineering, Budapest University of Technology and Economics, H-1111 Budapest, Hungary)

  • Zoltán Ádám Tamus

    (Department of Electric Power Engineering, Budapest University of Technology and Economics, H-1111 Budapest, Hungary)

Abstract

In a nuclear power plant environment, low-voltage cables experience different stresses during their service life which challenge their integrity. A non-destructive and reliable condition monitoring technique is desired to determine the state of these low-voltage cables during service and for the life extension of nuclear power plants. Hence, in this research work, an EPR/CSPE-based low-voltage cable was exposed to γ-rays for five different absorbed doses. The overall behavior of the cable under stress was characterized by frequency and time domain electrical measurements (capacitance, tan δ, and Extended Voltage Response) and a mechanical measurement (elongation at break). Significant variations in the electrical parameters were observed, as was a decline in the elongation at break values. A strong correlation between the measurement methods was observed, showing the ability of the electrical methods to be adopted as a non-destructive condition monitoring technique.

Suggested Citation

  • Ehtasham Mustafa & Ramy S. A. Afia & Oumaima Nouini & Zoltán Ádám Tamus, 2021. "Implementation of Non-Destructive Electrical Condition Monitoring Techniques on Low-Voltage Nuclear Cables: I. Irradiation Aging of EPR/CSPE Cables," Energies, MDPI, vol. 14(16), pages 1-16, August.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:16:p:5139-:d:618090
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    References listed on IDEAS

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    1. Simone Vincenzo Suraci & Davide Fabiani & Laura Mazzocchetti & Loris Giorgini, 2020. "Degradation Assessment of Polyethylene-Based Material Through Electrical and Chemical-Physical Analyses," Energies, MDPI, vol. 13(3), pages 1-13, February.
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    Cited by:

    1. Simone Vincenzo Suraci & Chuanyang Li & Davide Fabiani, 2022. "Dielectric Spectroscopy as a Condition Monitoring Technique for Low-Voltage Cables: Onsite Aging Assessment and Sensitivity Analyses," Energies, MDPI, vol. 15(4), pages 1-15, February.

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