Small wind turbine emulator with separately excited DC motor using analog electronic circuit

Mahdy, A.M.; El-Hakim, S. M.; Hanafy, H. H.

doi:10.1049/cp.2011.0196

Cited by 12 publications

(5 citation statements)

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“…where ω re f is the velocity reference defined in (6) as desired velocity and ω m is the rotor velocity. From the DC motor model (10), the dynamics of the velocity error variable (16) takes the form:ε…”

Section: Sensorless Dc-motor Velocity Controllermentioning

confidence: 99%

“…Using the variable (18) and substituting the DC motor model (10), the velocity error variable (16), and the armature current (20) into Equation (19), the controllable canonical form is obtained as follows [24]:…”

Section: Sensorless Dc-motor Velocity Controllermentioning

confidence: 99%

“…Fuzzy logic control techniques and first-order sliding modes are used in [10,11], respectively. Additionally, a classical PI control has been widely used to regulate the DC motor velocity [12][13][14][15][16][17]. This controller has some disadvantages such as high overshoot, sensitivity to the parameter variation, and maintaining a steady-state error.…”

Section: Introductionmentioning

confidence: 99%

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Real-Time Sensorless Robust Velocity Controller Applied to a DC-Motor for Emulating a Wind Turbine

et al. 2021

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The wind power systems of variable velocity using a doubly-fed induction generator dominate large-scale electrical generation within renewable energy sources. The usual control goal of the wind systems consists of maximizing the wind energy capture and streamlining the energy conversion process. In addition, these systems are an intermittent energy source due to the variation of the wind velocity. Consequently, the control system designed to establish a reliable operation of the wind system represents the main challenge. Therefore, emulating the operation of the wind turbine by means of an electric motor is a common strategy so that the controller design is focused on the induction generator and its connection to the utility grid. Thus, we propose to emulate the dynamical operation of a wind turbine through a separately excited DC motor driving by a sensor-less velocity controller. This controller is synthesized based on the state-feedback linearization technique combined with the super-twisting algorithm to set a robust closed-loop system in the presence of external disturbances. A robust velocity observer is designed to estimate the rotor velocity based on the armature current measuring. Furthermore, a robust differentiator is designed for estimating the time derivative of the velocity error variable, achieving a reduction in the computational calculus. Experimental tests were carried using a separately excited DC motor coupled with a dynamometer to validate the proposed wind turbine emulator.

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Section: Sensorless Dc-motor Velocity Controllermentioning

confidence: 99%

Section: Sensorless Dc-motor Velocity Controllermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Real-Time Sensorless Robust Velocity Controller Applied to a DC-Motor for Emulating a Wind Turbine

et al. 2021

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“…In [13], real-time WT characteristics were emulated via a separately excited DC motor (SEDCM). The analog circuit concept was used to build the WT model mathematically.…”

Section: Introductionmentioning

confidence: 99%

Black Widow Optimization-Based Optimal PI-Controlled Wind Turbine Emulator

Premkumar¹,

Vishnupriya

Babu

et al. 2020

Sustainability

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In this article, the parameters of the proportional-integral (PI) controller of the wind turbine (WT) emulator, i.e., proportional and integral gain of the PI controller, are optimized using a black widow optimization algorithm (BWOA). The proposed system is developed and analyzed using MATLAB/Simulink environment. The performance of the BWOA optimized PI controller is compared with a BAT algorithm, particle swarm optimization, and genetic algorithm optimized PI controller to measure the effectiveness of the proposed control system. The developed system is tested for different operating conditions such as static wind speed settings, static pitch angle conditions, step-change in wind speed settings, and step-change in pitch angle settings. Finally, the proposed system is realized in real-time by hardware experimentations. The results of the experimentation are compared with simulation results as well. The presented simulation and hardware result shows good agreement, which confirms the effectiveness of the proposed method. Thereby, the proposed optimization-based PI-controlled wind emulator can be recommended for emulating the characteristics of any type of WT with a low-cost system.

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“…Various studies on wind energy emulators were performed. Some authors [1][2][3][4][5] have used separate excitation DC machine to emulate the behavior of turbines. In [6] and [7], asynchronous machines controlled by IGBT converters have been also used as turbine emulator.…”

Section: Introductionmentioning

confidence: 99%

Design and implementation of constant wind speed turbine emulator using Matlab/Simulink and FPGA

Moussa

Bouallegue

Khedher

2014

2014 Ninth International Conference on Ecological Vehicles and Renewable Energies (EVER)

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In this paper we present the interests of the hardware implementation of control algorithms for constant wind speed turbine emulator based on DCMachine. This system includes wind speed profile, mathematical model of a horizontal axis wind turbine, a separately excited DC-Machine and a fourth quadrant chopper. Modeling, simulation and implementation are realized in Matlab/Simulink environments. Unlike other works developed in this regards and through the tool XSG, algorithms will be implemented directly on FPGA. The features of this emulator are presented. Moreover, simulation results are analyzed and discussed using Simulink and XSG showing the benefits of our application.

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Small wind turbine emulator with separately excited DC motor using analog electronic circuit

Cited by 12 publications

References 0 publications

Real-Time Sensorless Robust Velocity Controller Applied to a DC-Motor for Emulating a Wind Turbine

Real-Time Sensorless Robust Velocity Controller Applied to a DC-Motor for Emulating a Wind Turbine

Black Widow Optimization-Based Optimal PI-Controlled Wind Turbine Emulator

Design and implementation of constant wind speed turbine emulator using Matlab/Simulink and FPGA

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