期刊
IEEE ACCESS
卷 10, 期 -, 页码 24995-25004出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2022.3156084
关键词
Doubly fed induction generators; Rotors; Wind turbines; Wind energy; Maximum power point trackers; Wind farms; Voltage control; Doubly fed induction generator; grid side converter; marine predators algorithm; maximum power point tracking; particle swarm optimization; wind plant's performance
A new optimal control strategy for the grid side converter and rotor side converter of a DFIG is developed using the MPA. The strategy is compared with the PSO and proves to enhance the transient stability of large-scale wind systems. The proposed control strategy is validated through simulation and shows superior dynamic performance compared to traditional controllers.
A new optimal control strategy for the grid side converter (GSC) and rotor side converter (RSC) of a doubly-fed induction generator (DFIG) is developed in this paper using the Marine Predators algorithm (MPA). To accomplish this study, a comprehensive comparison between the suggested MPA-based control strategy and a well matured Particle Swarm Optimizer (PSO) to enhance transient stability of large-scale wind systems has been presented. MPA is used to determine the optimal gains of proportional-integral (PI) controllers for GSC and RSC to ensure a maximum power point tracking (MPPT) of a large-scale wind farm. The proposed optimal control strategy is analyzed and verified via a benchmark 9-MW DFIG wind farm using MATLAB/SIMULINK simulation. The attained results of the suggested MPA-PI-based controllers are compared to the conventional PI-based MPPT controllers to validate the efficacy of the developed optimal control strategy. The superiority of the proposed MPA-PI and PSO-PI-based optimal controllers over the traditional PI regulators towards enhancing the DFIG system dynamic performance has been proved. The presented MPA-PI-based control scheme has been succeeded in extracting the maximum power of the DFIG wind farm with a reduced settling time of about 1.8% and overshooting range 97% lower than the conventional controller.
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