Power-frequency control of hydropower plants with long penstocks in isolated systems with wind generation

Martínez de Lucas, Guillermo; Sarasúa Moreno, José Ignacio; Sánchez Fernández, José Ángel y Wilhelmi Ayza, José-Román (2015). Power-frequency control of hydropower plants with long penstocks in isolated systems with wind generation. "Renewable Energy", v. 83 ; pp. 245-255. ISSN 0960-1481. https://doi.org/10.1016/j.renene.2015.04.032.

Descripción

Título: Power-frequency control of hydropower plants with long penstocks in isolated systems with wind generation
Autor/es:
  • Martínez de Lucas, Guillermo
  • Sarasúa Moreno, José Ignacio
  • Sánchez Fernández, José Ángel
  • Wilhelmi Ayza, José-Román
Tipo de Documento: Artículo
Título de Revista/Publicación: Renewable Energy
Fecha: 2015
Volumen: 83
Materias:
Palabras Clave Informales: Wind-hydro systems; Long penstock; Governor tuning; Pole placement method
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ingeniería Civil: Hidráulica, Energía y Medio Ambiente
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

In this paper the power-frequency control of hydropower plants with long penstocks is addressed. In such configuration the effects of pressure waves cannot be neglected and therefore commonly used criteria for adjustment of PID governors would not be appropriate. A second-order Π model of the turbine-penstock based on a lumped parameter approach is considered. A correction factor is introduced in order to approximate the model frequency response to the continuous case in the frequency interval of interest. Using this model, several criteria are analysed for adjusting the PI governor of a hydropower plant operating in an isolated system. Practical criteria for adjusting the PI governor are given. The results are applied to a real case of a small island where the objective is to achieve a generation 100% renewable (wind and hydro). Frequency control is supposed to be provided exclusively by the hydropower plant. It is verified that the usual criterion for tuning the PI controller of isolated hydro plants gives poor results. However, with the new proposed adjustment, the time response is considerably improved

Más información

ID de Registro: 36011
Identificador DC: http://oa.upm.es/36011/
Identificador OAI: oai:oa.upm.es:36011
Identificador DOI: 10.1016/j.renene.2015.04.032
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0960148115003122
Depositado por: Memoria Investigacion
Depositado el: 19 Jun 2015 14:52
Ultima Modificación: 23 Jun 2015 13:55
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