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Reliability Assessment of MV Power Connections

Author

Listed:
  • Piotr Hoduń

    (Faculty of Electrical Engineering, Warsaw University of Technology, ul. Koszykowa 75, 00-662 Warszawa, Poland
    These authors contributed equally to this work.)

  • Michał Borecki

    (Faculty of Electrical Engineering, Warsaw University of Technology, ul. Koszykowa 75, 00-662 Warszawa, Poland
    These authors contributed equally to this work.)

Abstract

This article presents an analysis of the reliability of the power grid using data on the failure rate of the medium voltage (MV) power grid from the last five years. The analysis of the state of the power grid was based on the data provided by the grid operator. The purpose of this article is to analyze the reliability assessment of the medium voltage (MV) power connections using various analytical methods, a simulation model and reliability indicators. The analysis was performed based on the defined categories of power outages in terms of their duration. This made it possible to determine the energy quality indicators in a selected power grid. Then, a more complex analysis was carried out to assess the convergence of the applied analytical models of reliability assessment with the actual results obtained for the power grid. Moreover, using ANSYS Multiphysics, a numerical model of the cable head was developed to analyze the processes taking place in this element of the power grid for various exploitation cases.

Suggested Citation

  • Piotr Hoduń & Michał Borecki, 2021. "Reliability Assessment of MV Power Connections," Energies, MDPI, vol. 14(21), pages 1-15, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:21:p:6965-:d:663031
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    References listed on IDEAS

    as
    1. Francinei L. Vieira & Pedro H. M. Santos & José M. Carvalho Filho & Roberto C. Leborgne & Marino P. Leite, 2019. "A Voltage-Based Approach for Series High Impedance Fault Detection and Location in Distribution Systems Using Smart Meters," Energies, MDPI, vol. 12(15), pages 1-16, August.
    2. Krzysztof Lowczowski & Jozef Lorenc & Jerzy Andruszkiewicz & Zbigniew Nadolny & Jozef Zawodniak, 2019. "Novel Earth Fault Protection Algorithm Based on MV Cable Screen Zero Sequence Current Filter," Energies, MDPI, vol. 12(16), pages 1-20, August.
    3. Amir Farughian & Lauri Kumpulainen & Kimmo Kauhaniemi, 2019. "Earth Fault Location Using Negative Sequence Currents," Energies, MDPI, vol. 12(19), pages 1-14, September.
    4. Michał Borecki, 2020. "A Proposed New Approach for the Assessment of Selected Operating Conditions of the High Voltage Cable Line," Energies, MDPI, vol. 13(20), pages 1-15, October.
    5. Krzysztof Lowczowski & Zbigniew Nadolny & Bartosz Olejnik, 2019. "Analysis of Cable Screen Currents for Diagnostics Purposes," Energies, MDPI, vol. 12(7), pages 1-17, April.
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    Cited by:

    1. Michał Borecki & Jan Sroka, 2022. "Methods of Assessing the Effectiveness of Filter Elements in Power Electronics," Energies, MDPI, vol. 15(14), pages 1-12, July.
    2. Michał Borecki & Yevhen Kharchenko, 2022. "Comparative Simulation Analysis of Selected Medium and High Voltage Surge Protection Devices," Energies, MDPI, vol. 15(12), pages 1-9, June.
    3. Michał Borecki & Maciej Ciuba, 2023. "Testing of Selected Surge Protection Devices in the Context of the Possibility of Ensuring the Reliability of Power Grids," Energies, MDPI, vol. 16(3), pages 1-15, February.
    4. Michał Borecki, 2023. "Influence of Spark Gap Parameters on the Strength of the Surge Protection Device and the Method of Its Selection," Energies, MDPI, vol. 16(13), pages 1-9, June.

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