Integral variable structure direct torque control of doubly fed induction generator

Chen, S.Z.; Cheung, N.C.; Wong, Kwok-Chuen; Wu, Jinyi

doi:10.1049/iet-rpg.2009.0021

Cited by 51 publications

(37 citation statements)

References 13 publications

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“…In order to overcome the drawbacks of the vector control, direct torque control (DTC) has been presented [3,6]. In the conventional direct torque control (C-DTC), torque and flux can be directly controlled by using switching table and hysteresis controllers.…”

Section: Introductionmentioning

confidence: 99%

A novel direct torque control using second order continuous sliding mode of a doubly fed induction generator for a wind energy conversion system

Boudjema¹,

Taleb²,

Djeriri³

et al. 2017

Turk J Elec Eng & Comp Sci

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Abstract:In this paper a new robust direct torque control strategy based on second order continuous sliding mode and space vector modulation of a doubly fed induction generator integrated in a wind energy conversion system is presented.The conventional direct torque control (C-DTC) with hysteresis regulators has significant flux and torque ripples at steady-state operation and also the switching frequency varies in a wide range. The proposed DTC technique based on second order continuous sliding mode control reduces flux, current, and torque ripples. It also narrows down the switching frequency variations in induction machine control. Two different sliding surfaces such as flux and torque sliding surfaces are used to control them. The error between reference and actual values are driven to respective sliding surfaces where the error is enforced to zero. Simulation results show the effectiveness of the proposed direct torque control strategy comparatively to the C-DTC one.

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Section: Introductionmentioning

confidence: 99%

A novel direct torque control using second order continuous sliding mode of a doubly fed induction generator for a wind energy conversion system

Boudjema¹,

Taleb²,

Djeriri³

et al. 2017

Turk J Elec Eng & Comp Sci

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show abstract

“…The dq-axis vector control schemes are used for the GSC and the RSC of the DFIG wind turbine systems [15], [20]- [22]. The control structure of the GSC consists of the outer DC-link voltage control and reactive power control…”

Section: A Control Of Back-to-back Pwm Convertersmentioning

confidence: 99%

Flicker Suppression Scheme for Variable-Speed Wind Turbine Systems

Van¹,

Nguyễn²,

Lee³

2012

Journal of Power Electronics

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This paper proposes a strategy of flicker mitigation for doubly-fed induction generator (DFIG) wind turbine systems. In the weak grid system where the grid impedance ratio is low, the reactive power compensation only cannot suppress the flicker sufficiently due to the limited power capacity of the converters or the DFIG. For the full suppression of flickers, the active power smoothening using the energy storage system (ESS) needs to be utilized together with the reactive power compensation. The effectiveness of the proposed method is verified by PSCAD/EMTDC simulation results for a 2[MW] DFIG wind turbine system and by experimental results for a 3[kW] wind turbine simulator.

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“…Whereas, analysis of fault current characteristics of the DFIG is very difficult due to complicated result of dynamic response of AC / DC / AC converter under fault condition. The fault current of DFIG was studied under the condition that excitation current will be constant before and after the fault occurrence [20,21].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Modeling and Control of DFIG for Wind Energy Conversion System Using Feedback Linearization

Kaloi¹,

Wang²,

Baloch³

2016

Journal of Electrical Engineering and Technology

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-This paper presents a dynamic modeling and control of doubly fed induction-generator (DFIG) based variable speed wind-turbine. The dynamic model of DFIG is incorporated with all system components which provide simple design and controls. The penetration of wind power is increasing into electrical networks, which necessitates more comprehensive studies to recognize the interaction between the wind farms and the power grid. This paper presents the dynamic model of a DFIG based wind turbine connected to the grid system in the dq-synchronous reference frame. In this article, the feedback linearization method has proposed a controller in order to reduce the oscillation and stabilize the wind turbine system parameters based on feedback linearization concepts. Based on the nonlinear control system, the proposed approach is applied to the rotor side converter and grid side converter. The damping of the DFIG is improved in transient response. In addition, the oscillation of the stator current and DC link voltage during the generator voltage dip are reduced. To the best of author's knowledge, the proposed control outcomes compared with conventional controller verified the effectiveness, having better performance through simulation tool Matlab.

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Integral variable structure direct torque control of doubly fed induction generator

Cited by 51 publications

References 13 publications

A novel direct torque control using second order continuous sliding mode of a doubly fed induction generator for a wind energy conversion system

A novel direct torque control using second order continuous sliding mode of a doubly fed induction generator for a wind energy conversion system

Flicker Suppression Scheme for Variable-Speed Wind Turbine Systems

Dynamic Modeling and Control of DFIG for Wind Energy Conversion System Using Feedback Linearization

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