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Numerical Simulation and Calculation of Resistance of Laminated Paper-Impregnated Insulation of Power Cables

Author

Listed:
  • Dmitry Arsenyev

    (Higher School of High Voltage Engineering, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia)

  • Simon Dubitsky

    (Higher School of High Voltage Engineering, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia)

  • Dmitry Kiesewetter

    (Higher School of High Voltage Engineering, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia)

  • Victor Malyuin

    (Higher School of High Voltage Engineering, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia)

Abstract

Numerical simulation of polypropylene laminated paper insulation is a serious challenge, as it must take into account the layered structure and presence of longitudinal and radial gaps in the coils of the winded tape for cables with sector-shape conductive cores. Thus far, it has been performed only with serious simplifications. We propose a technique for numerical modeling of electric parameters in this type of insulation by reducing a complex 3D problem to a simplified 2D model that takes into account the main influencing factors. The results of modeling the distribution of electric field strength and current density in insulation are presented, and the influence of the location of gaps between the edges of winded tape on the conductivity of cable insulation is estimated. Analytical expressions are obtained for estimating the electrical resistance of insulation while taking into account the parameters of the butt gap between the insulating tapes. The results of calculations, numerical modeling, and experimentally measured values of electrical resistance are compared, showing that there is a good match. The main effects affecting the properties of polypropylene laminated paper insulation are described.

Suggested Citation

  • Dmitry Arsenyev & Simon Dubitsky & Dmitry Kiesewetter & Victor Malyuin, 2022. "Numerical Simulation and Calculation of Resistance of Laminated Paper-Impregnated Insulation of Power Cables," Energies, MDPI, vol. 15(19), pages 1-13, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7403-:d:937170
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    References listed on IDEAS

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    1. Kyu-hoon Park & Il Kwon & Bang-wook Lee, 2021. "Calculation Method of Allowable Continuous Current for Direct Burial Laying HVDC Underground Cable," Energies, MDPI, vol. 14(19), pages 1-16, October.
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    Cited by:

    1. Songyuan Li & Pengxian Song & Zhanpeng Wei & Xu Li & Qinghua Tang & Zhengzheng Meng & Ji Li & Songtao Liu & Yuhuai Wang & Jin Li, 2022. "Partial Discharge Detection and Defect Location Method in GIS Cable Terminal," Energies, MDPI, vol. 16(1), pages 1-10, December.

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