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Modelling, Simulation and Fuzzy Self-Tuning Control of D-STATCOM in a Single Machine Infinite Bus Power System

[ Vol. 12 , Issue. 1 ]

Author(s):

Chaib Habib*, Allaoui Tayeb, Brahami Mustapha and Mouloud Denai   Pages 5 - 11 ( 7 )

Abstract:


Background: In recent years, demand for electricity has increased considerably, while the expansion of generation and transmission has been very slow due to limited investment in resources and environmental restrictions.

Methods: As a result, the power system becomes vulnerable to disturbances and instability. FACTS (Flexible AC Transmission Systems) technology has now been accepted as a potential solution to this problem. This paper deals with the modelling, simulation and fuzzy self-tuning control of a DSTATCOM to enhance the stability and improve the critical fault clearing time (CCT) in a single machine infinite bus (SMIB). A detailed modelling of the D-STATCOM and comprehensive derivation of the fuzzy logic self-tuning control is presented.

Results: The dynamic performance of the power system with the proposed control scheme is validated through in a simulation study carried out under Matlab/Simulink and SimPowerSystems toolbox.

Conclusion: The results demonstrate a significant enhancement of the power system stability under the simulated fault conditions considered.

Keywords:

Critical fault clearing time, D-STATCOM, FACTS, fuzzy self-tuning control, PSS, stability, voltage control.

Affiliation:

Department of Electrical Engineering, Laboratory of Energetic Engineering and Computer Engineering, IBN Khaldoun University, TIARET, Department of Electrical Engineering, Laboratory of Energetic Engineering and Computer Engineering, IBN Khaldoun University, TIARET, Department of Electrical Engineering, Laboratory of Intelligent Control and Electrical Power Systems ICEPS DJILALI LYABBES University, Sidi Bel Abbes, School of Engineering and Technology, University of Hertfordshire, Hatfield

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