Backstepping Controller for a Variable Wind Speed Energy Conversion System Based on a DFIG

Mensou, Sara; Essadki, Ahmed; Minka, Issam; Nasser, Tamou; Idrissi, Badr Bououlid

doi:10.1109/irsec.2017.8477586

Cited by 21 publications

(24 citation statements)

References 7 publications

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“…Substituting Eq. (28) into (30), the derivative of the Lyapunov function becomes: Fig. 3 The proposed DPC bloc diagram using the Backstepping approach…”

Section: Direct Power Control Based-backstepping Techniquementioning

confidence: 99%

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A direct power control of a DFIG based-WECS during symmetrical voltage dips

Mensou

Essadki

Nasser

et al. 2020

Prot Control Mod Power Syst

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The Wind Energy Conversion System (WECS) based Doubly Fed Induction Generator (DFIG) has experienced a rapid development in the world, which leads to an increasing insertion of this source of energy in the electrical grids. The sudden and temporary drop of voltage at the network can affect the operation of the DFIG; the voltage dips produce high peak currents on the stator and rotor circuits, without protection, the rotor side converter (RSC) will suffer also from over-current limit, consequently, the RSC may even be destroyed and the generator be damaged. In this paper a new Direct Power Control (DPC) method was developed, in order to control the stator powers and help the operation of the aero-generator during the faults grid; by injecting the reactive power into the network to contribute to the return of voltage, and set the active power to the optimum value to suppress the high peak currents. The DPC method was designed using the nonlinear Backstepping (BS) controller associated with the Lyapunov function to ensure the stability and robustness of the system. A comparison study was undertaken to verify the robustness and effectiveness of the DPC-BS to that of the classical vector control (VC) using Proportional-Integral (PI) correctors. All were simulated under the Simulink® software.

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“…Substituting Eq. (28) into (30), the derivative of the Lyapunov function becomes: Fig. 3 The proposed DPC bloc diagram using the Backstepping approach…”

Section: Direct Power Control Based-backstepping Techniquementioning

confidence: 99%

“…To achieve good stator power regulation, the derivative of the Lyapunov candidate function should be negative and the gains k Q and k p must be positives parameters [29][30][31]:…”

Section: Direct Power Control Based-backstepping Techniquementioning

confidence: 99%

A direct power control of a DFIG based-WECS during symmetrical voltage dips

Mensou

Essadki

Nasser

et al. 2020

Prot Control Mod Power Syst

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“…Wind power depends on the surface to be swept (S), wind speed (v) and air density (ρ). Based on the fluid mechanics equations we have the following equation [8] [9]:…”

Section: Modelling Of Wind Turbinmentioning

confidence: 99%

“…For medium and high power machines, stator resistances are neglected [9], therefore the stator voltage equations become:…”

Section: Field Oriented Controlmentioning

confidence: 99%

Direct and indirect vector control of a doubly fed induction generator based in a wind energy conversion system

Bouderbala¹,

Bossoufi²,

Lagrioui³

et al. 2019

IJECE

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<p>In the recent years, the development and the exploitation of renewable energy knew a great evolution. Among these energy resources, the wind power represents an important potential for that the wind system has been the subject of several researches. The purpose of this study is to improve the power extracted from wind energy, taking into consideration the variation of wind speed which causes a problem in energy production. For this purpose, we have controlled the powers whether it is active or reactive delivered by the generator. This paper, presents essentially the modeling and control of doubly- fed induction generator (DFIG), which is connected to a variable speed wind turbine. Firstly, the model of the wind power system with the maximum power point tracking (MPPT) strategy is shown. Then, the modeling of doubly- fed induction generator (DFIG) and its power control is presented. Finnaly, to ensure the attitude of these controls the simulations is presented in the Matlab/Simulink environment.</p>

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“…Doubly Fed Induction Generators (DFIGs) are widely used for variable speed wind system due to its benefits, such as the reduction of power converter size, possibility of stator active and reactive power control independently, and decoupling between mechanical speed and grid frequency [4]. The most known electric configuration for the DFIG based Wind Turbine (WT) is when the DFIG stator is linked directly to the grid, its rotor is connected to the grid via back-to-back power converter [5]; this configuration ensures the energy generation at nominal grid voltage and frequency values independently of mechanical speed changes [6].…”

Section: Introductionmentioning

confidence: 99%

Robust Sliding Mode H∞ Controller of DFIG Based on Variable Speed Wind Energy Conversion System

Saihi¹,

Berbaoui²,

Glaoui³

et al. 2019

Period. Polytech. Elec. Eng. Comp. Sci.

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In this study, a Sliding Mode (SM) methodology combined with a robust H∞ control scheme (SM-H∞) was proposed to control the stator active and reactive power generated by the Doubly Fed Induction Generator (DFIG). The purpose of the proposed controller is to improve the DFIG stator active and reactive power tracking performances by reducing chattering phenomena under variable wind speed, which provides major drawbacks of conventional SM controllers. The H∞ technique was used to define the SM attractive control part, which helps to reduce chattering phenomena and improves robustness in the presence of parameter variations and wind speed changing. The DFIG stator was directly connected to the grid and, its rotor was linked to the grid through a back-to-back converter. The proposed approach was tested using Matlab/Simulink and a comparison with the conventional SM and the SM fuzzy logic controllers was carried out. The results of simulation illustrated an effectiveness of the proposed SM-H∞ controller even in the presence of the DFIG parameter variations and speed changing compared with the other techniques.

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Backstepping Controller for a Variable Wind Speed Energy Conversion System Based on a DFIG

Cited by 21 publications

References 7 publications

A direct power control of a DFIG based-WECS during symmetrical voltage dips

A direct power control of a DFIG based-WECS during symmetrical voltage dips

Direct and indirect vector control of a doubly fed induction generator based in a wind energy conversion system

Robust Sliding Mode H∞ Controller of DFIG Based on Variable Speed Wind Energy Conversion System

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