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Synchronous condenser operation in Francis turbines: Effects in the runner stress and machine vibration

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  • Valentín, David
  • Presas, Alexandre
  • Valero, Carme
  • Egusquiza, Mònica
  • Egusquiza, Eduard

Abstract

Reactive power shortage is one of the current issues that endanger the stability of the power grid systems. Some massive blackouts have been experienced in the past years due to the unbalance of reactive power. One of the solutions to provide the necessary reactive power to the grid is to operate generators as motors and supply or absorb reactive power when needed. Hydraulic turbines are the most suitable machines to perform this task since they can be easily and quickly dewatered to work as motors (Synchronous Condenser (SC) operation).

Suggested Citation

  • Valentín, David & Presas, Alexandre & Valero, Carme & Egusquiza, Mònica & Egusquiza, Eduard, 2020. "Synchronous condenser operation in Francis turbines: Effects in the runner stress and machine vibration," Renewable Energy, Elsevier, vol. 146(C), pages 890-900.
    • Handle: RePEc:eee:renene:v:146:y:2020:i:c:p:890-900
    DOI: 10.1016/j.renene.2019.07.041
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    References listed on IDEAS

    as
    1. David Valentín & Alexandre Presas & Eduard Egusquiza & Carme Valero & Mònica Egusquiza & Matias Bossio, 2017. "Power Swing Generated in Francis Turbines by Part Load and Overload Instabilities," Energies, MDPI, vol. 10(12), pages 1-17, December.
    2. Carme Valero & Mònica Egusquiza & Eduard Egusquiza & Alexandre Presas & David Valentin & Matias Bossio, 2017. "Extension of Operating Range in Pump-Turbines. Influence of Head and Load," Energies, MDPI, vol. 10(12), pages 1-17, December.
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