Abstract
Abstract Global efforts are focused on promoting a sustainable energy supply by increasing the use of renewable energies and decreasing reliance on conventional sources. Among renewable sources, Wave energy is a promising one, but it is still widely untapped worldwide. In the current energy context, it is crucial to synchronize the characteristics of renewable sources with the needs of the existing electrical network which is undergoing a deep change towards the smart grid paradigm. Power electronic converters, as interface devices, play a fundamental role in facilitating the transfer of renewable energy to the electrical network. For this reason, this study focuses on the design and optimization of an electrical power conversion system for a wave energy converter (WEC) coupled with a hydraulic power take-off. This electrical power conversion system allows the WEC to connect to the electrical network and deliver a smooth output electrical power. Indeed, thanks to a particular control system, the conversion from mechanical power to electrical power is achieved with losses of less than 5% in regular sea state conditions
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