Wind intermittency and CO2 reductions: the case of the spanish power system

Gutierrez Martin, Fernando; Da Silva Alvarez, Ricardo A. y Montoro Pintado, Pablo (2012). Wind intermittency and CO2 reductions: the case of the spanish power system. En: "Proceedings of SEEP 2012, 05-08 June 2012, Dublin City University, Dublin, Ireland", 5-8 Junio 2012, Dublín, Irlanda. pp. 335-340.

Descripción

Título: Wind intermittency and CO2 reductions: the case of the spanish power system
Autor/es:
  • Gutierrez Martin, Fernando
  • Da Silva Alvarez, Ricardo A.
  • Montoro Pintado, Pablo
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: Proceedings of SEEP 2012, 05-08 June 2012, Dublin City University, Dublin, Ireland
Fechas del Evento: 5-8 Junio 2012
Lugar del Evento: Dublín, Irlanda
Título del Libro: Proceedings of SEEP 2012
Fecha: 2012
Materias:
Palabras Clave Informales: CO2 reduction, Wind power, Electric grid load balancing, Cycling
Escuela: E.U.I.T. Industrial (UPM) [antigua denominación]
Departamento: Química Industrial y Polímeros [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Renewable energy sources are believed to reduce drastically greenhouse gas emissions that would otherwise be generated from fossil fuels used to generate electricity. This implies that a unit of renewable energy will replace a unit of fossil-fuel, with its CO2 emissions, on an equivalent basis (with no other effects on the grid). But, the fuel economy and emissions in the existing power systems are not proportional with the electricity production of intermittent sources due to cycling of the fossil fuel plants that make up the balance of the grid (i.e. changing the power output makes thermal units to operate less efficiently). This study focuses in the interactions between wind generation and thermal plants cycling, by establishing the levels of extra fuel use caused by decreased efficiencies of fossil back-up for wind electricity in Spain. We analyze the production of all thermal plants in 2011, studying different scenarios where wind penetration causes major deviations in programming, while we define a procedure for quantifying the carbon reductions by using emission factors and efficiency curves from the existing installations. The objectives are to discuss the real contributions of renewable energies to the environmental targets as well as suggest alternatives that would improve the reliability of future power systems.

Más información

ID de Registro: 22690
Identificador DC: http://oa.upm.es/22690/
Identificador OAI: oai:oa.upm.es:22690
Depositado por: Memoria Investigacion
Depositado el: 27 Mar 2014 13:56
Ultima Modificación: 21 Abr 2016 17:41
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