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A Novel Technique for Load Frequency Control of Multi-Area Power Systems

par Shakibjoo, Ali Dokht;Moradzadeh, Mohammad ;Moussavi, Seyed Zeinolabedin;Vandevelde, Lieven
Référence Energies, 13, 9, page (2125)
Publication Publié, 2020-05-01

Article révisé par les pairs

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Résumé :

In this paper, an adaptive type-2 fuzzy controller is proposed to control the load frequency of a two-area power system based on descending gradient training and error back-propagation. The dynamics of the system are completely uncertain. The multilayer perceptron (MLP) artificial neural network structure is used to extract Jacobian and estimate the system model, and then, the estimated model is applied to the controller, online. A proportional–derivative (PD) controller is added to the type-2 fuzzy controller, which increases the stability and robustness of the system against disturbances. The adaptation, being real-time and independency of the system parameters are new features of the proposed controller. Carrying out simulations on New England 39-bus power system, the performance of the proposed controller is compared with the conventional PI, PID and internal model control based on PID (IMC-PID) controllers. Simulation results indicate that our proposed controller method outperforms the conventional controllers in terms of transient response and stability.