Adjustable speed operation of a hydropower plant associated to an irrigation reservoir

Pérez Díaz, Juan Ignacio and Wilhelmi Ayza, José-Román and Maroto, Luis (2008). Adjustable speed operation of a hydropower plant associated to an irrigation reservoir. "Energy Conversion and Management", v. 49 (n. 11); pp. 2973-2978. ISSN 0196-8904. https://doi.org/10.1016/j.enconman.2008.06.023.

Description

Title: Adjustable speed operation of a hydropower plant associated to an irrigation reservoir
Author/s:
  • Pérez Díaz, Juan Ignacio
  • Wilhelmi Ayza, José-Román
  • Maroto, Luis
Item Type: Article
Título de Revista/Publicación: Energy Conversion and Management
Date: November 2008
ISSN: 0196-8904
Volume: 49
Subjects:
Freetext Keywords: Hydropower generation, Adjustable speed operation, Energy and operational gains, Irrigation reservoir.
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Hidráulica y Energética [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper deals with the issue of adjustable speed operation (ASO) of hydropower plants. The main idea of this technique is to allow the turbine speed to change in accordance with hydraulic conditions, thus improving the overall unit efficiency. General technical aspects of ASO are further discussed with special emphasis on the energy and operational benefits that may potentially result from its application. In order to assess these benefits, annual operation of a hydropower plant associated to an irrigation reservoir has been simulated under different scenarios, with both adjustable and fixed speed. Turbine operating range proved to be wider with ASO. In addition, simulation results confirm that considerable energy gains are expected to be obtained.

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