Abstract

Ocean renewable energy provides tremendous worldwide potential in solving earth's acute energy shortage. Among the wide range of technologies that utilize ocean resources to generate power such as tidal current turbines, ocean thermal energy conversion (OTEC), offshore wind power converters etc., ocean wave energy converters (WEC) are distinct as they offer variety of ways to harness wave energy and also they provide higher energy density. The generator in power take off (PTO) of wave energy converter can be either direct drive rotary permanent magnet synchronous generator (DDR PMSG) or doubly fed induction generator (DFIG) which provides power with wide range of variations. This paper applies model predictive control (MPC) strategy in direct drive PMSG and DFIG in a point absorber wave energy converter. The simulation is done in MATLAB/SIMULINK. The effectiveness of the proposed control technique is verified.

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