Diseño y Comparación de Desempeño de Controladores de Corriente PI y Adapatativo para un Sistema de Generación Eólico (Design and Performance Comparison of PI and Adaptive Current Controllers for a WECS)

Omar Aguilar (omar.aguilar@upt.edu.mx)2, Ruben Tapia (ruben.tapia@upt.edu.mx)2, Antonio Valderrabano (omaguilam@yahoo.com)1, Hertwin Minor (oamgdl@icloud.com)2

1Universidad Panamericana Campus Guadalajara
2Universidad Politécnica de Tulancingo

This paper appears in: Revista IEEE América Latina

Publication Date: May 2015
Volume: 13,   Issue: 5 
ISSN: 1548-0992

This work proposes a novel controller in a stationary reference frame for permanent magnet synchronous generator (PMSGs) of grid-connected wind turbines. The wind energy conversion systems (WECS) adopt a Back-To-Back converter system with voltage source inverter (VSI) and a phase-locked loop to track continuously the fundamental frequency and its phase from voltage node that is connected to the system generation. One of the central themes of this paper is the development of a control scheme that uses a B-spline artificial neural network for controllers tuning when the system is subjected to disturbances. The B-spline neural network must be able to enhance the system performance and the online parameters updated can be possible. This work proposes the use of adaptive PI controllers to regulate the current, frequency and DC-link voltage. Results of the dynamic behavior of the whole WECS are presented along with different cases subject to various disturbances. The simulations show the feasibility and robustness of the proposed control schemes for PMSG based wind turbines

Index Terms:
PMSG, VSC, Neural network, Power converters,   

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