On the modelling of valve point loadings for power electricity dispatch

Eric S. Fraga, Lingjian Yang and Lazaros G. Papageorgiou

Applied Energy, 2012, vol. 91, issue 1, 303 pages

Abstract: Modelling the effect of valve point loadings on the performance and cost of power generators for electricity dispatch problems is necessary. For the past 20years, the development of computer based methods for the identification of optimal designs have been based on a single model, introduced by Walters and Sheble (1993) [1]. This model approximates the non-monotonic incremental cost curve using a sine function. This note explores the properties of this model, highlighting one critical deficiency for use within an automated optimization based design system and proposes a new model.

Keywords: Power dispatch; Valve loadings; Optimization; Mixed integer linear programming (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (11)

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DOI: 10.1016/j.apenergy.2011.10.001

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