Frequency Regulation of a Hybrid Wind-Hydro Power Plant in an Isolated Power System

Martínez de Lucas, Guillermo and Sarasúa Moreno, José Ignacio and Sánchez Fernández, José Ángel (2018). Frequency Regulation of a Hybrid Wind-Hydro Power Plant in an Isolated Power System. "Energies", v. 11 (n. 1); pp. 1-25. ISSN 1996-1073. https://doi.org/10.3390/en11010239.

Description

Title: Frequency Regulation of a Hybrid Wind-Hydro Power Plant in an Isolated Power System
Author/s:
  • Martínez de Lucas, Guillermo
  • Sarasúa Moreno, José Ignacio
  • Sánchez Fernández, José Ángel
Item Type: Article
Título de Revista/Publicación: Energies
Date: 19 January 2018
ISSN: 1996-1073
Volume: 11
Subjects:
Freetext Keywords: Wind–Hydro Systems, Variable Speed Wind Turbine, Governor Tuning, Wind Turbine Frequency Regulation, Inertia Emulation
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Hidráulica, Energía y Medio Ambiente
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Currently, some small islands with high wind potential are trying to reduce the environmental and economic impact of fossil fuels using its renewable resources. Nevertheless, the characteristics of these renewable resources negatively affect the quality of the electrical energy causing frequency disturbances, especially in isolated systems. In this study, the combined contribution to frequency regulation of variable speed wind turbines (VSWT) and a pump storage hydropower plant (PSHP) is analyzed. Different control strategies, using the kinetic energy stored in the VSWT, are studied: inertial, proportional, and their combination. In general, the gains of the VSWT controller for interconnected systems proposed in the literature are not adequate for isolated systems. Therefore, a methodology to adjust the controllers, based on exhaustive searches are proposed for each of the control strategies. The control strategies and the methodology have been applied to a hybrid wind-hydro power plant committed in El Hierro island in the Canary archipelago. At present, in this isolated power system, frequency regulation is only provided by the PSHP and diesel generators. The improvements in the quality of frequency regulation including the VSWT contribution have been proven based on simulating different events related to wind speed, or variations in the demanded power.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainENE2016-77951-RUnspecifiedUnspecifiedValor del almacenamiento por bombeo en sistemas eléctricos aislados con fuerte penetración eólica

More information

Item ID: 52742
DC Identifier: http://oa.upm.es/52742/
OAI Identifier: oai:oa.upm.es:52742
DOI: 10.3390/en11010239
Official URL: http://www.mdpi.com/1996-1073/11/1/239
Deposited by: Memoria Investigacion
Deposited on: 23 Oct 2018 08:54
Last Modified: 23 Oct 2018 08:54
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