Permanent magnet synchronous generator (PMSG)–based wind turbines (WTs) are preferred over doubly fed induction generators (DFIGs) due to some appealing features. The control techniques used in this paper are fuzzy-based pitch angle controller, optimal torque-controlled maximum power point tracking, and optimal fuzzy and proportional integral (PI) hybrid controller under MATLAB-Simulink software. A grey wolf optimization technique is used to optimize the input scaling factor of the fuzzy logic controller (FLC) and gains of the PI controller. The results indicate that optimal FLC-PI performs better in DC-link voltage control than an optimal PI controller in terms of peak overshoot (0.82%), undershoot (2.51%), and settling time (0.18 s). However, the peak overshoot (1.87%), undershoot (10.6%), and settling time (0.22 s) are recorded for DC-link voltage response while utilizing the optimal PI controller. The generator’s efficiency reaches up to 97.35% for the optimal FLC-PI controller while 96.01% is obtained with the optimal PI controller at rated wind speed.
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