The Influence of Linear Permanent Magnet Generator Sizing on the Techno-Economic Performance of a Wave Energy Converter
J. Tan (TU Delft - Offshore and Dredging Engineering)
X. Wang (TU Delft - Transport Engineering and Logistics)
Antonio Jarquin Laguna (TU Delft - Offshore and Dredging Engineering)
H Polinder (TU Delft - Transport Engineering and Logistics)
Sape A. Miedema (TU Delft - Offshore and Dredging Engineering)
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Abstract
Downsizing the Power Take-off (PTO) rating has been proven to be beneficial for decreasing the Levelized Cost of Energy (LCOE) of wave energy converters (WECs). However, the linear permanent magnet (PM) generator has not yet been modelled and optimized in detail in previous feasibility studies. This paper extends the study of the PTO downsizing to further investigate the influence of the linear PM generator sizing on a WEC's techno-economic performance. The generator is sized for providing different maximum forces, and the effect of sizing on the generator performance is presented. The efficiency map of the selected linear generator design is applied to evaluate the annual energy production (AEP) and finally identify its influence on the techno-economic performance of a WEC.