Sliding Mode Control Strategy for Wind Turbine Power Maximization

The efficiency of the wind power conversions systems can be greatly improved using an appropriate control algorithm. In this work, a sliding mode control for variable speed wind turbine that incorporates a doubly fed induction generator is described. The electrical system incorporates a wound rotor...

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Main Author: Oscar Barambones
Format: Article
Language:English
Published: MDPI AG 2012-07-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/5/7/2310
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author Oscar Barambones
author_facet Oscar Barambones
author_sort Oscar Barambones
collection DOAJ
description The efficiency of the wind power conversions systems can be greatly improved using an appropriate control algorithm. In this work, a sliding mode control for variable speed wind turbine that incorporates a doubly fed induction generator is described. The electrical system incorporates a wound rotor induction machine with back-to-back three phase power converter bridges between its rotor and the grid. In the presented design the so-called vector control theory is applied, in order to simplify the electrical equations. The proposed control scheme uses stator flux-oriented vector control for the rotor side converter bridge control and grid voltage vector control for the grid side converter bridge control. The stability analysis of the proposed sliding mode controller under disturbances and parameter uncertainties is provided using the Lyapunov stability theory. Finally simulated results show, 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.
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spelling doaj.art-176d6006b2f641639e9be2160f9714a52022-12-22T02:55:29ZengMDPI AGEnergies1996-10732012-07-01572310233010.3390/en5072310Sliding Mode Control Strategy for Wind Turbine Power MaximizationOscar BarambonesThe efficiency of the wind power conversions systems can be greatly improved using an appropriate control algorithm. In this work, a sliding mode control for variable speed wind turbine that incorporates a doubly fed induction generator is described. The electrical system incorporates a wound rotor induction machine with back-to-back three phase power converter bridges between its rotor and the grid. In the presented design the so-called vector control theory is applied, in order to simplify the electrical equations. The proposed control scheme uses stator flux-oriented vector control for the rotor side converter bridge control and grid voltage vector control for the grid side converter bridge control. The stability analysis of the proposed sliding mode controller under disturbances and parameter uncertainties is provided using the Lyapunov stability theory. Finally simulated results show, 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.http://www.mdpi.com/1996-1073/5/7/2310wind powervariable structure controlnonlinear systemmodeling and simulation
spellingShingle Oscar Barambones
Sliding Mode Control Strategy for Wind Turbine Power Maximization
Energies
wind power
variable structure control
nonlinear system
modeling and simulation
title Sliding Mode Control Strategy for Wind Turbine Power Maximization
title_full Sliding Mode Control Strategy for Wind Turbine Power Maximization
title_fullStr Sliding Mode Control Strategy for Wind Turbine Power Maximization
title_full_unstemmed Sliding Mode Control Strategy for Wind Turbine Power Maximization
title_short Sliding Mode Control Strategy for Wind Turbine Power Maximization
title_sort sliding mode control strategy for wind turbine power maximization
topic wind power
variable structure control
nonlinear system
modeling and simulation
url http://www.mdpi.com/1996-1073/5/7/2310
work_keys_str_mv AT oscarbarambones slidingmodecontrolstrategyforwindturbinepowermaximization