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

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

Renewable Energy, 2020, vol. 146, issue C, 890-900

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).

Keywords: Hydropower; Synchronous condenser; Francis turbine; Reactive power; Grid stability (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:146:y:2020:i:c:p:890-900

DOI: 10.1016/j.renene.2019.07.041

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