Controle Preditivo Direto de Torque para um Gerador de indução Gaiola de Esquilo conectado à rede para aplicações de energia eólica (Predictive Direct Torque Control for a Squirrel Cage Induction Generator Grid Connected for Wind Energy Applications)

Angelo Santos Lunardi (angelo.lunardi@ufabc.edu.br)1, Juan Sebastian Solis Chaves (jssolisc@unal.edu.co)1, Alfeu Joãozinho Sguarezi Filho (alfeu.sguarezi@ufabc.edu.br)1


1Universidade Federal do ABC (UFABC)

This paper appears in: Revista IEEE América Latina

Publication Date: Nov. 2016
Volume: 14,   Issue: 11 
ISSN: 1548-0992


Abstract:
This paper presents a model-based predictive controller for Squirrel Cage Induction Generator using a Direct Torque Control. The aim of this research is control the flux and the torque to get the maximum output power from generator in a typical wind energy application. The generator is connected to the power grid through a Back to Back Converter using a Voltage Oriented Controller technique. Thus, is possible choose how much active and reactive power could be injected on the grid. The model was derivate from generator's equations with an objective of predicting the future behavior of controlled variables. These techniques were implemented in SimPowerSystems of Matlab/Simulink. Simulation results will show the efficiency of digital controller for active and reactive power tracking and for a low level in the total harmonic distortion for the rotor current, injected by the power converter

Index Terms:
Model Predictive Control, Direct Torque Control, Wind Energy, Squirrel Cage Induction Generator   


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