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Determination of Steady-State and Faulty Regimes of Overhead Lines by Means of Multiconductor Cell Analysis (MCA)

Author

Listed:
  • Roberto Benato

    (Department of Industrial Engineering, University of Padova, Via Gradenigo, 6/A, Padova 35131, Italy)

  • Sebastian Dambone Sessa

    (Department of Industrial Engineering, University of Padova, Via Gradenigo, 6/A, Padova 35131, Italy)

  • Fabio Guglielmi

    (Department of Industrial Engineering, University of Padova, Via Gradenigo, 6/A, Padova 35131, Italy)

Abstract

Single-phase positive sequence modelling is often used in power systems when power flows and short circuit analysis are assessed. Of course, the use of single-phase positive sequence modelling assumes purely three-phase configurations and perfectly symmetrical ones so that single-phase modelling considers that all the phase conductors behave in the same way. When considering the physical reality of power networks, this assumption can be questionable and the behaviors of all the system conductors including the passive ones (earth wires for overhead lines, metallic screens and armours for cables and enclosures for gas insulated lines) is completely unknown. Therefore, the present multiconductor cell analysis (MCA) becomes necessary, since it allows one to achieve great precision results on the regimes of both phase conductors and passive conductors. MCA offers a powerful tool in order to validate (or less) approximated and simplified computation methods. In particular, for single and double circuit overhead lines (OHLs), the current phasors induced in the earth wires and the ground return current alongside the line can be directly computed by MCA in steady state and faulty regimes. It is worth noting that, for faulty regimes, MCA allows also evaluating the approximation degree and validity field of screening factors k.

Suggested Citation

  • Roberto Benato & Sebastian Dambone Sessa & Fabio Guglielmi, 2012. "Determination of Steady-State and Faulty Regimes of Overhead Lines by Means of Multiconductor Cell Analysis (MCA)," Energies, MDPI, vol. 5(8), pages 1-23, July.
  • Handle: RePEc:gam:jeners:v:5:y:2012:i:8:p:2771-2793:d:19180
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    Citations

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    Cited by:

    1. Roberto Benato & İbrahim Balanuye & Fatih Köksal & Nurhan Ozan & Ercüment Özdemirci, 2018. "Installation of XLPE-Insulated 400 kV Submarine AC Power Cables under the Dardanelles Strait: A 4 GW Turkish Grid Reinforcement," Energies, MDPI, vol. 11(1), pages 1-15, January.
    2. Roberto Benato & Sebastian Dambone Sessa & Fabio Guglielmi & Ertugrul Partal & Nasser Tleis, 2014. "Ground Return Current Behaviour in High Voltage Alternating Current Insulated Cables," Energies, MDPI, vol. 7(12), pages 1-16, December.
    3. Adrian Pană & Alexandru Băloi & Florin Molnar-Matei, 2019. "Mathematical Explanations of a Paradox Observed in a HVAC (High Voltage Alternating Current) Untransposed Overhead Line," Energies, MDPI, vol. 12(4), pages 1-17, February.
    4. Roberto Benato & Roberto Caldon & Antonio Chiarelli & Massimiliano Coppo & Claudio Garescì & Sebastian Dambone Sessa & Debora Mimo & Michele Modesti & Luca Mora & Francesca Piovesan, 2019. "CALAJOULE: An Italian Research to Lessen Joule Power Losses in Overhead Lines by Means of Innovative Conductors," Energies, MDPI, vol. 12(16), pages 1-21, August.

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