Modeling and PI Control Strategy of DFIG Based Wind Energy Conversion Systems

Kharchouf, Ibtissam; Essadki, Ahmed; Arbaoui, Mohammed; Nasser, Tamou

doi:10.1109/irsec.2017.8477348

Cited by 3 publications

(3 citation statements)

References 6 publications

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“…where, NP D and DP D are, respectively, the numerator and denominator of the developed power from Equation (20). From Equation (54), the partial derivative of the developed power P D is obtained as a function of slip, s. In this calculation, A D and B D are considered as defined in Equations (9) and (10). Thus, the solution of Equation 54is…”

Section: Velocity Of the Control Variables Trajectorymentioning

confidence: 99%

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Direct Voltage Control of a Doubly Fed Induction Generator by Means of Optimal Strategy

et al. 2020

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The major objective of the investigation reported in this article is to demonstrate the feasibility of controlling a Doubly Fed Induction Generator actuating directly on the rotor voltage produced by the Rotor Side Converter, as its reference value may be determined analytically, after definition of the control objective. Two usual objectives are here considered: maximum power extraction from wind (MPPT) and stator reactive power equal to zero. This last objective defines the reference slip to be considered in the formulation of developed power that, jointly with the reactive power equation, forms the system to calculate the rotor reference voltages. The process is completed by specifying the desired dynamical response. Thus, the angular velocity of the rotor should quickly reach its reference value, which requires maximal power acceleration at the beginning, but respects the restriction that no overshoot should be allowed. This is achieved by means of a constrained optimization process solved in real time. Following recent trends, only measurements obtained from stator (voltages and currents) sensors are used. This way, angular velocity and rotor currents are estimated in real time. An algorithm for inductance estimation is also included, which prevents deviations of nominal values that could lead to false reference voltages.

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Section: Velocity Of the Control Variables Trajectorymentioning

confidence: 99%

“…where, NQ S and DQ S are, respectively, the numerator and denominator of the stator reactive power Equation (14). A D and B D are considered as shown in Equations (9) and (10). Thus, the solution of Equation (61) is…”

Section: Velocity Of the Control Variables Trajectorymentioning

confidence: 99%

Direct Voltage Control of a Doubly Fed Induction Generator by Means of Optimal Strategy

et al. 2020

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“…In wind turbine-based power generation stations, the Doubly-fed Induction Generator (DFIG) is the most adopted and installed configuration by leaders in wind turbine construction around the world. Indeed, it has many advantages due to its ability to supply energy at constant voltage and frequency for a variable rotor speed, which allows maximum power extraction regardless of the wind speed [1], [2].…”

Section: Introductionmentioning

confidence: 99%

Improved control for DFIG based wind power system under voltage dips using ADRC optimized by genetic algorithms

Elmouhi

Essadki

Elaimani

2022

Int. j. electr. comput. eng. syst. (Online)

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Many countries have focused on the study of the electrical energy production using wind generators. These studies include maintaining the production under disturbed conditions at the grid connection point of wind farms, and maintaining production during voltage dips. Electrical grid operators have established different requirements for connecting renewable energy production systems to electrical grids. In this research paper, we are interested in the study of the wind power system based on the Doubly Fed Induction Generator during a voltage dip. We are also developing a control approach based on Active Disturbance Rejection Control and Genetic Algorithms, which aims to control the stator flux variations which should be taken into account during the current controllers computing. This control strategy will allow the wind power system to remain connected to the grid under voltage dips, and to resume the normal operation after the fault disappearance. The model of the wind power system and the proposed control strategy, are tested in the MATLAB-Simulink software.

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