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Energies 2015, 8(10), 11203-11233;

Design Parameters Analysis of Point Absorber WEC via an evolutionary-algorithm-based Dimensioning Tool

Division of Electrical Engineering, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Avda. Complutense, 40, Madrid 28040, Spain
Department of Automatica, Electrical, Electronic and Computer Engineering, Universidad Politécnica de Madrid, Madrid 28006, Spain
Author to whom correspondence should be addressed.
Academic Editor: John Ringwood
Received: 6 July 2015 / Revised: 28 September 2015 / Accepted: 29 September 2015 / Published: 12 October 2015
(This article belongs to the Special Issue Tools and Techniques for Economic Delivery of Ocean Energy)
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Wave energy conversion has an essential difference from other renewable energies since the dependence between the devices design and the energy resource is stronger. Dimensioning is therefore considered a key stage when a design project of Wave Energy Converters (WEC) is undertaken. Location, WEC concept, Power Take-Off (PTO) type, control strategy and hydrodynamic resonance considerations are some of the critical aspects to take into account to achieve a good performance. The paper proposes an automatic dimensioning methodology to be accomplished at the initial design project stages and the following elements are described to carry out the study: an optimization design algorithm, its objective functions and restrictions, a PTO model, as well as a procedure to evaluate the WEC energy production. After that, a parametric analysis is included considering different combinations of the key parameters previously introduced. A variety of study cases are analysed from the point of view of energy production for different design-parameters and all of them are compared with a reference case. Finally, a discussion is presented based on the results obtained, and some recommendations to face the WEC design stage are given. View Full-Text
Keywords: wave energy; point absorber; WEC dimensioning; differential evolution wave energy; point absorber; WEC dimensioning; differential evolution

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Blanco, M.; Moreno-Torres, P.; Lafoz, M.; Ramírez, D. Design Parameters Analysis of Point Absorber WEC via an evolutionary-algorithm-based Dimensioning Tool. Energies 2015, 8, 11203-11233.

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