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Estimation of Short Circuit Duration for the Assessment of Dynamic Effects in Distribution Substations with Flexible Conductors

Author

Listed:
  • Piotr Piechocki

    (PSE S.A, Marcelinska 71, 60-354 Poznan, Poland)

  • Ryszard Frackowiak

    (Institute of Electric Power Engineering, Poznan University of Technology, Piotrowo 3A, 60-965 Poznan, Poland)

  • Grzegorz Dombek

    (Institute of Electric Power Engineering, Poznan University of Technology, Piotrowo 3A, 60-965 Poznan, Poland)

  • Irena Chmielewska

    (Power Engineering Department, Higher School of Managerial Staff, Zagorowska 3a, 62-500 Konin, Poland)

Abstract

The paper focuses on finding short circuit duration for computing the dynamic effects in Extra High Voltage (EHV) distribution substations with flexible conductors with the use of probabilistic method. To find fault duration for selected substation points, a risk criterion was involved, namely the expected annual frequency of exceeding the calculated values of dynamic forces. A dedicated simulation model based on the Monte Carlo method was used to analyze the dynamic effects of short circuit current flow in the substation during faults within it and in its vicinity. The short circuit duration model is the key part of the simulation model. Due to the discussion of how the selected factors affect the estimated short circuit duration, indications helpful to find the values of the latter were formulated and some examples for the 220 kV distribution substation were given.

Suggested Citation

  • Piotr Piechocki & Ryszard Frackowiak & Grzegorz Dombek & Irena Chmielewska, 2020. "Estimation of Short Circuit Duration for the Assessment of Dynamic Effects in Distribution Substations with Flexible Conductors," Energies, MDPI, vol. 13(4), pages 1-17, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:4:p:970-:d:323583
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    References listed on IDEAS

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    1. Emanuele Ciapessoni & Diego Cirio & Stefano Massucco & Andrea Morini & Andrea Pitto & Federico Silvestro, 2017. "Risk-Based Dynamic Security Assessment for Power System Operation and Operational Planning," Energies, MDPI, vol. 10(4), pages 1-16, April.
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    Cited by:

    1. Łukasz Kozarek & Hubert Cichecki & Mateusz Bogacki & Mykhailo Tyryk & Michał Szulborski & Sebastian Łapczyński & Łukasz Kolimas & Desire Rasolomampionona & Andrzej Lange & Przemysław Berowski & Przemy, 2023. "Impact of the Short-Circuit Current Value on the Operation of Overhead Connections in High-Voltage Power Stations," Energies, MDPI, vol. 16(8), pages 1-27, April.

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