Abstract
In this paper we present a comparative study of different MPPT methods for a wind energy system based on permanent magnet synchronous generator (PMSG). These techniques are: Hill Climbing Search (HCS), Optimal Torque Control (OTC), Power Signal Feedback (PSF) and Fuzzy Logic control (FLC). These methods are developed with the aim of comparing their performance on the wind system energy efficiency, according to the response time, the maximum power to be achieved and the system behaviour during the optimal power point tracking MPP. And for a better analysis study, we simulated the system under variable wind speed conditions. The results show that intelligent control based on fuzzy logic is more efficient and presents better performance compared to other MPPT algorithms.
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