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Analysis of the Influence of Load on the Value of Zero-Voltage Asymmetry in Medium-Voltage Networks Operating with Renewable Energy Sources

Author

Listed:
  • Grzegorz Hołdyński

    (Faculty of Electrical Engineering, Bialystok University of Technology, 15-351 Bialystok, Poland)

  • Zbigniew Skibko

    (Faculty of Electrical Engineering, Bialystok University of Technology, 15-351 Bialystok, Poland)

  • Andrzej Borusiewicz

    (International University of Applied Sciences in Lomza, 18-402 Lomza, Poland)

Abstract

The phenomenon of voltage asymmetry is common in electricity networks and is the cause of many unfavourable phenomena occurring, such as an increase in power and energy losses, as well as the abnormal operation of certain loads. Voltage asymmetry can be caused by several different factors, which include the design of the transmission line (e.g., routing of conductors in relation to each other and the earth), the parameters of consumer circuits (e.g., unequal loading of individual phases), or the design of network equipment (e.g., generators or transformers). An asymmetrical condition also occurs during system disturbances such as single-phase short circuits or lightning. One of the many factors impinging on voltage asymmetry in the electrical network is also the effect of load, but in the case of medium voltage power networks, this effect is neglected in the literature. This paper presents and evaluates the influence of the power consumed by consumers on the values of zero-voltage asymmetry factor indices in medium voltage compensated power networks with the neutral point earthed by an inductance (Petersen coil) operating with wind and photovoltaic power plants.

Suggested Citation

  • Grzegorz Hołdyński & Zbigniew Skibko & Andrzej Borusiewicz, 2023. "Analysis of the Influence of Load on the Value of Zero-Voltage Asymmetry in Medium-Voltage Networks Operating with Renewable Energy Sources," Energies, MDPI, vol. 16(2), pages 1-13, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:2:p:580-:d:1024501
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    References listed on IDEAS

    as
    1. Zbigniew Skibko & Grzegorz Hołdyński & Andrzej Borusiewicz, 2022. "Impact of Wind Power Plant Operation on Voltage Quality Parameters—Example from Poland," Energies, MDPI, vol. 15(15), pages 1-16, August.
    2. Guochao Qian & Qianggang Wang & Shun He & Weiju Dai & Nengqiao Wei & Niancheng Zhou, 2022. "Harmonic Modeling and Analysis for Parallel 12-Pulse Rectifier under Unbalanced Voltage Condition in Frequency-Domain," Energies, MDPI, vol. 15(11), pages 1-9, May.
    3. 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.
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