A Real-Time Sliding Mode Control for a Wind Energy System Based on a Doubly Fed Induction Generator

Oscar Barambones, Jose A. Cortajarena, Patxi Alkorta and Jose M. Gonzalez De Durana
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Oscar Barambones: Engineering School of Vitoria, University of the Basque Country, Nieves Cano 12, 01006 Vitoria, Spain
Jose A. Cortajarena: Engineering School of Eibar, University of the Basque Country, Otaola, 29, 20600 Eibar, Spain
Patxi Alkorta: Engineering School of Eibar, University of the Basque Country, Otaola, 29, 20600 Eibar, Spain
Jose M. Gonzalez De Durana: Engineering School of Vitoria, University of the Basque Country, Nieves Cano 12, 01006 Vitoria, Spain

Energies, 2014, vol. 7, issue 10, 1-22

Abstract: In this paper, a real time sliding mode control scheme for a variable speed wind turbine that incorporates a doubly feed induction generator is described. In this design, the so-called vector control theory is applied, in order to simplify the system electrical equations. The proposed control scheme involves a low computational cost and therefore can be implemented in real-time applications using a low cost Digital Signal Processor (DSP). The stability analysis of the proposed sliding mode controller under disturbances and parameter uncertainties is provided using the Lyapunov stability theory. A new experimental platform has been designed and constructed in order to analyze the real-time performance of the proposed controller in a real system. Finally, the experimental validation carried out in the experimental platform shows; on the one hand that the proposed controller provides high-performance dynamic characteristics, and on the other hand that this scheme is robust with respect to the uncertainties that usually appear in the real systems.

Keywords: real time control; wind turbine systems; variable structure control; nonlinear system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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