An analysis of decentralized demand response as frequency control support under criticalwind power oscillations

Journal ar
  • Volumen: 8
  • Número: 11
  • Fecha: 01 January 2015
  • Páginas: 12881-12897
  • ISSN: 19961073
  • Source Type: Journal
  • DOI: 10.3390/en81112344
  • Document Type: Article
  • Publisher: MDPI AG Postfach Basel CH-4005
© 2015 by the authors. In power systems with high wind energy penetration, the conjunction of wind power fluctuations and power system inertia reduction can lead to large frequency excursions, where the operating reserves of conventional power generation may be insufficient to restore the power balance. With the aim of evaluating the demand-side contribution to frequency control, a complete process to determine critical wind oscillations in power systems with high wind penetration is discussed and described in this paper. This process implies thousands of wind power series simulations, which have been carried out through a validated offshore wind farm model. A large number of different conditions have been taken into account, such as frequency dead bands, the percentages of controllable demand and seasonal factor influence on controllable loads. Relevant results and statistics are also included in the paper.

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