Direct Power Control for Three-level NPC Based PWM AC/DC/AC Converter in Doubly Fed Induction Generators Based Wind Turbine

Boulahia, Abdelmalek; Nabti, K.; Benalla, H.

doi:10.11591/ijece.v2i3.284

Cited by 8 publications

(9 citation statements)

References 7 publications

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“…If the grid voltage is constant, and neglecting the stator resistance, the amplitude c s and the angular speed v cs of the stator flux stay constant. Substituting equations (8), (9) and (12) into equation 14, the stator active power can be expressed by…”

Section: Mathematical Model Of Dfigmentioning

confidence: 99%

“…9 Direct control techniques have interesting advantages, of which the most important are the high performances, robustness and low sensitivity to the system parameter variations. The DPC strategy applied to the DIFG has been presented by Boulahia et al 9 and Kadri et al, 10 where the authors proposed a DPC strategy applied to control a DFIG generation system. The rotor-side converter (RSC) is controlled by selecting the appropriate voltage vector based on the instantaneous errors between the reference and the estimated values of the active and reactive powers and the estimated rotor flux position.…”

Section: Introductionmentioning

confidence: 99%

“…Among the control techniques widely used in AC drives, we can cite the vector-oriented control (VOC) 7 and the direct control techniques, such as direct torque control (DTC) 8 and direct power control (DPC). 9 Direct control techniques have interesting advantages, of which the most important are the high performances, robustness and low sensitivity to the system parameter variations. The DPC strategy applied to the DIFG has been presented by Boulahia et al 9 and Kadri et al, 10 where the authors proposed a DPC strategy applied to control a DFIG generation system.…”

Section: Introductionmentioning

confidence: 99%

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Implementation of direct power control based on stator flux estimation using low-pass filter estimator for doubly fed induction generator–wind energy conversion system

Kadri

Marzougui

Bacha

2018

Proceedings of the Institution of Mechanical Engineers, Part I:

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This article deals with the direct power control strategy applied for a grid-connected variable speed wind turbine based on doubly fed induction generator. The proposed method is based on a stator flux estimation algorithm which allows to control the rotor-side converter of the doubly fed induction generator. Several methods of stator flux estimation are based on the integration of the stator back electromotive force signal. However, in practice, the pure integration can cause various problems due to noises, stator resistance uncertainty, unknown initial conditions and measurement errors. Several algorithms, reported in the literature and used to estimate machine stator fluxes, are reviewed and compared. Particular attention is drawn to the low-pass filter–based algorithms that show good performances. In this article, the novelty of the proposed approach is the development of the direct power control–based stator flux estimation method with a low-pass filter. Theoretical analysis and implementation procedures of the proposed method are developed in detail. Simulation results of a variable speed wind turbine based on doubly fed induction generator are performed in MATLAB/Simulink software in order to evaluate the dynamic performances of the proposed control method under wind speed variations. The adopted control strategy is implemented using dSPACE 1104 board and tested for a wind turbine emulator. Experimental results show the effectiveness and the originality of the proposed control strategy.

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Section: Mathematical Model Of Dfigmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Implementation of direct power control based on stator flux estimation using low-pass filter estimator for doubly fed induction generator–wind energy conversion system

Kadri

Marzougui

Bacha

2018

Proceedings of the Institution of Mechanical Engineers, Part I:

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“…In DTC, the electromagnetic torque and the rotor flux are the directly controlled variables, while in DPC, the active and reactive powers are directly controlled by selecting the optimum switching state of the converter [83][84][85][86][87] .…”

Section: Direct Power Control Of Gscmentioning

confidence: 99%

Improved control strategy of DFIG-based wind turbines using direct torque and direct power control techniques

Kouadria

Berkouk

Messlem

et al. 2018

Journal of Renewable and Sustainable Energy

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“…Generated electric power from wind is growing at an increasing annual rate worldwide in the last decade as its cost has decreased considerably. Widespread use of wind power can largely reduce production costs, reduce carbon emissions, contribute to resolving global warming calls, and reduce the dependency on fossil fuels [1].…”

Section: Introductionmentioning

confidence: 99%

Gravitational-Search Algorithm for Optimal Controllers Design of Doubly-fed Induction Generator

Albatran¹,

Alomoush²,

Koran³

2018

IJECE

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Recently, the Gravitational-Search Algorithm (GSA) has been presented as a promising physics-inspired stochastic global optimization technique. It takes its derivation and features from laws of gravitation. This paper applies the GSA to design optimal controllers of a nonlinear system consisting of a doubly-fed induction generator (DFIG) driven by a wind turbine. Both the active and the reactive power are controlled and processed through a back-to-back converter. The active power control loop consists of two cascaded proportional integral (PI) controllers. Another PI controller is used to set the q-component of the rotor voltage by compensating the generated reactive power. The GSA is used to simultaneously tune the parameters of the three PI controllers. A time-weighted absolute error (ITAE) is used in the objective function to stabilize the system and increase its damping when subjected to different disturbances. Simulation results will demonstrate that the optimal GSA-based coordinated controllers can efficiently damp system oscillations under severe disturbances. Moreover, simulation results will show that the designed optimal controllers obtained using the GSA perform better than the optimal controllers obtained using two commonly used global optimization techniques, which are the Genetic Algorithm (GA) and Particle Swarm Optimization (PSO).

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Direct Power Control for Three-level NPC Based PWM AC/DC/AC Converter in Doubly Fed Induction Generators Based Wind Turbine

Cited by 8 publications

References 7 publications

Implementation of direct power control based on stator flux estimation using low-pass filter estimator for doubly fed induction generator–wind energy conversion system

Implementation of direct power control based on stator flux estimation using low-pass filter estimator for doubly fed induction generator–wind energy conversion system

Improved control strategy of DFIG-based wind turbines using direct torque and direct power control techniques

Gravitational-Search Algorithm for Optimal Controllers Design of Doubly-fed Induction Generator

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