Predictive Control of Variable Speed Wind Energy Conversion System with Multi Objective Criterions

Chikha, Said; Barra, Kamel

doi:10.3311/ppee.8873

Cited by 11 publications

(7 citation statements)

References 21 publications

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“…6 for better visibility). where k = 1, 2, 3 …, 6 and ν dc is the DC-bus voltage [37,38]. In each PWM-period the reference voltage vector (v ̅ 1 (n) on Fig.…”

Section: Space Vector Modulationmentioning

confidence: 99%

A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

Vajsz¹,

Számel²,

Rácz³

2017

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

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Direct torque control with space vector modulation (DTC-SVM IntroductionDirect torque control with space vector modulation is a modification of the original direct torque control (DTC) method [1][2][3]. The excellent dynamic torque-control capabilities of traditional DTC are well known in the literature for permanent magnet synchronous motors and for other motor types as well [4][5][6][7][8][9]. However, there are serious disadvantages and among them the most important are: varying switching frequency and the excessive amount of torque-ripple generated [10][11][12]. DTC-SVM solves these problems, as it uses fixed switching frequency and the torque-ripple is significantly reduced compared to DTC, while the dynamics of the torque-control is essentially identical to that of traditional DTC [13][14][15]. Therefore, DTC-SVM is currently considered as one of the most promising alternatives of the nowadays widely used field-oriented control [16,17].DTC-SVM was introduced in [1][2][3]. These publications highlighted the main advantages of DTC-SVM. Since then many investigations have been carried out for this method. Special applications requiring high dynamic performance, excellent efficiency and high precision have been examined such as artillery speed servo systems [18], electric vehicles [19], electric pitch servo systems for wind generators [20]. Also, asymmetric permanent magnet synchronous machines have been investigated and special solutions have been invented for these machines [21]. In order to improve the performance of DTC-SVM several modifications have been developed. Most of the modifications aim at reducing the torque-ripple, increasing the dynamic performance and the efficiency of the method [22][23][24][25][26][27][28]. Sensorless methods using extended Kalman-filter have also been invented [29].However, the overload-capabilities of DTC-SVM and its stability during overloading have not been investigated yet. This article deals with these issues and suggests a modified DTC-SVM (MDTC-SVM) method which has significantly improved overload-capabilities and it is stable during overloading.

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“…6 for better visibility). where k = 1, 2, 3 …, 6 and ν dc is the DC-bus voltage [37,38]. In each PWM-period the reference voltage vector (v ̅ 1 (n) on Fig.…”

Section: Space Vector Modulationmentioning

confidence: 99%

A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

Vajsz¹,

Számel²,

Rácz³

2017

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

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“…The turbine captures the energy of the wind passing through the blades and transforms it into mechanical energy. If the wind turbine is facing the wind, the mechanical power can be expressed by [17]:…”

Section: Description Of the Wind Turbine Modelmentioning

confidence: 99%

Improved Super Twisting Based High Order Direct Power Sliding Mode Control of a Connected DFIG Variable Speed Wind Turbine

Zouheyr¹,

Baghli

Boumédiène³

2021

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

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This work presents the theoretical and practical comparison of linear and nonlinear control laws for the direct power control of a grid-connected double fed induction generator (DFIG), based wind energy conversion system (WECS) under different operating modes. We will show the improvement brought by the super twisting based high order sliding mode control to mitigate the chattering phenomenon, due to the high switching frequency. It will also avoid the hyperlink of the controller settings to the system’s mathematical model and will reduce the sensibility to external disturbances. The overall structure of the proposed control requires the use of the DFIG simplified model with field-oriented control (FOC). This last allows an instantaneous decoupled control of the DFIG stator active and reactive power by acting on dq rotor currents (Iqr , Idr ) respectively. In the preliminary tests, a comparative study is conducted to verify the superior performance of the proposed WECS control scheme during various operating modes including the maximum power point tracking MPPT mode. The study reveals the effectiveness of each implemented control law with its advantages and drawbacks.

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“…The mathematical equations of the DFIG in complex-domain can be defined by referring all the rotor and stator quantities of the DFIG to the stator-windings as (Abad et al, 2011 ; Chikha & Barra, 2016 ). The stator and rotor voltage equations of the DFIG are where , , and represent the voltage in stator and rotor, the currents in stator and rotor, respectively.…”

Section: Mathematical Models Of Dfig and Rscmentioning

confidence: 99%

Finite-State Predictive Current Control of a Standalone DFIG-Based Wind Power Generation Systems: Simulation and Experimental Analysis

Chabani

Benchouia

Goléa

et al. 2021

J Control Autom Electr Syst

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This paper presents an improved stator voltage magnitude and frequency control for standalone doubly fed induction generators (DFIGs) based wind power generation systems (WPGSs). The proposed technique uses a simple finite-state predictive current control (FS-PCC). In this control method, the switching vector for the IGBT is selected to minimize the error between the reference value and the predicted value of the rotor current. Moreover, the discrete-time models of (DFIG) are needed to predict the future value of the rotor current for all possible voltage vectors generated by the rotor-side converter (RSC). Since the classic control methods in the literature use inner control loops and are based on pulse width modulation (PWM), this method does not require complex modulation stages and omits the current control loops, which reduces the control requirements. The main objective in a standalone DFIG system is to keep the stator voltage has constant in amplitude and frequency and equal to the reference value, regardless of the changes in rotor speed or load. The proposed control strategy was implemented through a 3 kW DFIG prototype platform-based dSPACE 1104 card. The simulation and experimental results show that the proposed FS-PCC offers excellent reference tracking with less total harmonic distortion (THD) in stator voltages and rotor currents. KeywordsStandalone DFIGs • WPGSs. FS-PCC • Field-oriented control (FOC) • Rotor-Side Converter RSC • dSPACE 1104 card.

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Predictive Control of Variable Speed Wind Energy Conversion System with Multi Objective Criterions

Abstract: Abstract

Cited by 11 publications

References 21 publications

A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

A Novel Modified DTC-SVM Method with Better Overload-capability for Permanent Magnet Synchronous Motor Servo Drives

Improved Super Twisting Based High Order Direct Power Sliding Mode Control of a Connected DFIG Variable Speed Wind Turbine

Finite-State Predictive Current Control of a Standalone DFIG-Based Wind Power Generation Systems: Simulation and Experimental Analysis

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