Hybrid PSO-GSA algorithm-based optimal control strategy for performance enhancement of a grid-connected wind generator

Mina N. Amin, Mahmoud A. Soliman, Hany M. Hasanien, Almoataz Y. Abdelaziz

Abstract


As a result of the tremendous level of wind energy penetration in the existing network, massive efforts have been directed to enhance the grid-connected wind generator performance. This paper exhibits an application of a hybrid algorithm of the particle swarm optimization and the gravitational search algorithm (PSO-GSA) to enhance the transient stability of the grid-tied wind energy conversion system. The variable-speed wind turbine (VSWT) direct-drive permanent-magnet synchronous generator is connected to the network through a full-scale converter. The generator- and grid-side converters are controlled by using an optimum proportional-integral (PI) controller. The criterion of the integral squared error is utilized as an objective function. The PSO-GSA based-PI controller efficacy is validated by comparing its results with that are achieved by using the genetic algorithm (GA)-based-PI controller. The performance of the suggested control scheme is checked during various fault conditions. The control scheme quality is legalized by the simulation results that are achieved using MATLAB/Simulink program.



DOI: http://doi.org/10.11591/ijape.v10.i2.pp%25p
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