GA optimized design of stator voltage oriented integral sliding mode control for DFIG based wind energy conversion system

Vaish, Abhinav; Rastogi, Deependra; Kumar, T. K. Sunil

doi:10.1109/rteict.2017.8256729

Cited by 1 publication

(2 citation statements)

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“…Recently, there has been an increasing interest in the use of DFIG Sliding Mode control due to its robustness to the parameter of variations and disturbances under matching condition [28,29]. The SM controller was designed to force the controlled dynamics towards sliding surface and keeps it there [30]. In order to force the DFIG stator active and reactive power to track their corresponding references, the sliding surfaces are selected to equal the error between the desired dynamics and real ones by Eq.…”

Section: Dfig Proposed Control Strategymentioning

confidence: 99%

See 1 more Smart Citation

Robust Sliding Mode H∞ Controller of DFIG Based on Variable Speed Wind Energy Conversion System

Saihi¹,

Berbaoui²,

Glaoui³

et al. 2019

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

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In this study, a Sliding Mode (SM) methodology combined with a robust H∞ control scheme (SM-H∞) was proposed to control the stator active and reactive power generated by the Doubly Fed Induction Generator (DFIG). The purpose of the proposed controller is to improve the DFIG stator active and reactive power tracking performances by reducing chattering phenomena under variable wind speed, which provides major drawbacks of conventional SM controllers. The H∞ technique was used to define the SM attractive control part, which helps to reduce chattering phenomena and improves robustness in the presence of parameter variations and wind speed changing. The DFIG stator was directly connected to the grid and, its rotor was linked to the grid through a back-to-back converter. The proposed approach was tested using Matlab/Simulink and a comparison with the conventional SM and the SM fuzzy logic controllers was carried out. The results of simulation illustrated an effectiveness of the proposed SM-H∞ controller even in the presence of the DFIG parameter variations and speed changing compared with the other techniques.

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Section: Dfig Proposed Control Strategymentioning

confidence: 99%

“…Then, the expression of the equivalent control is calculated as: 14in Eq. (12), the sliding surfaces derivatives are obtained as [30,31]: To define n qr v and n dr v controls which are considered as an attractive control part of the SM controller, it is often selected as a relay shape defined as [14,19]…”

Section: Dfig Proposed Control Strategymentioning

confidence: 99%