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Adaptability of a generic wave energy converter to different climate conditions

Abstract: This study evaluates the influence of wave climate tunability on the performance of a generic Wave Energy Converter (WEC) for different climate scenarios. The generic WEC is assumed to be composed of an array of heaving, floating cylinders. In this study, two natural periods for the cylinders of 4 s and 8 s (typical of enclosed seas and the mean Atlantic swell, respectively) and a location-tunable cylinder are considered to evaluate the influence of tuning on the power performance of the cylinder. The WEC power matrix is computed using a frequency domain model, and the performance of the WEC is evaluated along the global coasts; the met-ocean data originated from the global reanalysis database (GOW) from Reguero et al. (2012). The performance of the WEC is evaluated using two parameters: the capture width ratio (CWR), which evaluates the efficiency of the converter at each location, and the kW/Ton (KWT) parameter, which evaluates the efficiency of the converter using “economic” terms. Tuning a converter for each location displayed a positive CWR; however, the KWT was low after WEC tuning because of the weight of the structures required to tune the converter that experiences high peak periods.

 Fuente: Renewable Energy Volume 78, June 2015, Pages 322–333

 Editorial: Elsevier

 Fecha de publicación: 01/06/2015

 Nº de páginas: 12

 Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.renene.2015.01.020

 ISSN: 0960-1481,1879-0682

 Proyecto español: ENE2013-48716-R

 Proyecto europeo: info:eu-repo/grantAgreement/EC/FP7/288710/EU/Innovative Multi-purpose off-shore platforms: planning, Design and operation/MERMAID/

 Url de la publicación: http://dx.doi.org/10.1016/j.renene.2015.01.020