Second‐order sliding‐mode controller design and tuning for grid synchronisation and power control of a wind turbine‐driven doubly fed induction generator

Susperregui, A.; Martinez, Miren Itsaso; Tapia, G.; Vechiu, Ionel

doi:10.1049/iet-rpg.2012.0026

Cited by 36 publications

(27 citation statements)

References 25 publications

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“…Methods to tackle this phenomenon have been developed [35]. More recently, This technique has been successfully applied for wind power system in [10,11,23,37].…”

Section: Control Technique Strategies Of Wecsmentioning

confidence: 99%

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Sliding Mode Control of Induction Generator Wind Turbine Connected to the Grid

Ouassaid

Elyaalaoui

Cherkaoui

2016

Advances and Applications in Nonlinear Control Systems

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Conventional fossil fuels such as coal, oil and natural gas are being reduced and become more and more a source of serious undesirable effects on the environment. Wind power is playing a major role in the effort to augment the share of renewable energy sources in the world energy mix with a continuously increasing penetration into the grid. Wind turbine generators can be divided into two basic categories: fixed speed and variable speed. Variable-speed wind energy systems are presently favored than fixed-speed wind turbines thanks to their higher wind power extraction, improved efficiency, reactive power support and voltage control. This study addresses the problem of control of Wind Energy Conversion System (WECS) in variable speed. To this end, two simultaneous control objectives, namely the maximization of the energy conversion efficiency based on Squirrel Cage Induction Generator (SCIG) wind turbine and the regulation of the active and reactive power feed to the grid, to guarantee Unit Power Factor (UPF), have been established. To deal with the complexity and nonlinearity of the system, the sliding mode control is adopted. Indeed, this technique provides an efficient tool for controller design and presents attractive features such as robustness to parametric uncertainties of the different components of the system. In this way, sliding-mode control laws are developed using Lyapunov stability analysis, to guarantee the reaching and sustaining of sliding mode and stability of the system control. Evaluation of the reliability and performance of the proposed sliding mode control approach has been established on a 3MW three-blade wind turbine. Simulation results demonstrate that the proposed control strategy is effective in terms of MPPT control strategy, active and reactive power tracking trajectories and robustness against system parameter variations.

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“…Methods to tackle this phenomenon have been developed [35]. More recently, This technique has been successfully applied for wind power system in [10,11,23,37].…”

Section: Control Technique Strategies Of Wecsmentioning

confidence: 99%

“…The dynamic sliding mode control laws (37) and (38) with stabilizing functions (23) and (30) Proof Consider the following positive definite Lyapunov function…”

Section: Theoremmentioning

confidence: 99%

Sliding Mode Control of Induction Generator Wind Turbine Connected to the Grid

Ouassaid

Elyaalaoui

Cherkaoui

2016

Advances and Applications in Nonlinear Control Systems

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“…DFIG based wind turbines are very sensitive to grid voltage problems due to direct connection of stator windings to the grid [4]. Robustness of the DFIG control structure against grid voltage problems and parameter variations is very crucial due to increasing power penetration from DFIG in electrical networks.…”

Section: Introductionmentioning

confidence: 99%

“…A first order SMC is given in [15] which can operate in unbalanced and harmonically distorted grid voltages. Another second order SMC given in [4] achieves smooth connection of DFIG to the grid. Constant switching frequency second order SMC is achieved in [16].…”

Section: Introductionmentioning

confidence: 99%

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A Novel Current Controller Scheme for Doubly Fed Induction Generators

et al. 2015

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Original scientific paperThis paper presents a novel current control methodology for grid connected doubly-fed induction generator (DFIG) based wind energy conversion systems. Controller is based on a proportional controller with additional first order low pass filter disturbance observer which estimates the parameter dependent nonlinear feed-forward terms. The results in simulations and experimental test bed obviously demonstrate that decoupled control of active and reactive power is achieved without the necessity of additional machine parameter. Key words: DFIG, Disturbance observer, Wind energyNovi regulator struje za dvostrano napajani asinkroni generator. U ovom radu prikazana je nova metoda upravljanja strujom za vjetroagregat s dvostrano napajanim asinkronim generatorom spojen na mrežu. Regulator se temelji na proporcionalnom regulatoru uz dodatak niskopropusnog fitra prvog reda za estimaciju poremećaja koji estimira parametarski ovisne nelinearne predupravljačkečlanove. Simulacijski i eksperimentalni rezultati pokazuju da je postignuto raspregnuto upravljanje radnom i jalovom snagom bez potrebe za dodatnim parametrima generatora.

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Power regulation and control of wind turbines: LMI‐based output feedback approach

Bayat

Bahmani

2017

Int Trans Electr Energ Syst

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Summary This paper addresses the problem of power regulation and control of wind turbines using an output feedback scheme formulated as a well‐defined linear matrix inequality (LMI) problem. To this aim, first, a piecewise linear (PWL) model is constructed for the wind turbine system with the wind speed as a parameter. Then, using the achieved PWL model a set of output feedback controllers are formulated and solved as an LMI problem. To implement the designed controller in practice, 2 different approaches are proposed, ie, online and off‐line approaches. In the first approach (online), an exact optimal control law is obtained by online evaluation of the PWL model and then solving the associated LMI problem which leads to a relatively high computational complexity. To deal with this computational complexity, an alternative approximate approach is proposed which puts parts of online computations to off‐line precalculation with the cost of sub‐optimality. In this approach, the controller is predesigned for some predefined operating points and then the sub‐optimal controller is achieved by introducing a convex combination of precalculated controllers while guaranteeing the constraints satisfaction. Finally, the performance and characteristics of the proposed approaches are verified using simulation results.

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Second‐order sliding‐mode controller design and tuning for grid synchronisation and power control of a wind turbine‐driven doubly fed induction generator

Cited by 36 publications

References 25 publications

Sliding Mode Control of Induction Generator Wind Turbine Connected to the Grid

Sliding Mode Control of Induction Generator Wind Turbine Connected to the Grid

A Novel Current Controller Scheme for Doubly Fed Induction Generators

Power regulation and control of wind turbines: LMI‐based output feedback approach

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