Fuzzy logic controller in interconnected electrical power systems for load-frequency control

This study presents an application of a fuzzy gain scheduled proportional and integral (FGPI) controller for load-frequency control of a two-area electrical interconnected power system. Model simulations of the power system show that the proposed FGPI controller is effective and suitable for damping...

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Bibliographic Details
Published in:International journal of electrical power & energy systems 2005-10, Vol.27 (8), p.542-549
Main Authors: KOCAARSLAN, Ilhan, CAM, Ertugrul
Format: Article
Language:English
Subjects:
Applied sciences
Electric power plants
Electrical engineering. Electrical power engineering
Electrical machines
Electrical power engineering
Exact sciences and technology
Fuzzy logic control application
Load-frequency control
Miscellaneous
Power networks and lines
Power plant
Regulation and control
Theory. Simulation
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Summary:This study presents an application of a fuzzy gain scheduled proportional and integral (FGPI) controller for load-frequency control of a two-area electrical interconnected power system. Model simulations of the power system show that the proposed FGPI controller is effective and suitable for damping out oscillations resulted from load perturbations. The current FGPI results were compared against those from a conventional proportional and integral (PI) controller, a fuzzy logic controller and a FGPI controller proposed by Chang and Fu (Chang C. S., Fu W. Area load-frequency control using fuzzy gain scheduling of PI controllers. Electr Power syst Res 1997; 42: pp. 145–152). Two performance criteria were utilized for the comparison: settling times and overshoots of the frequency deviation and absolute error integral. The comparison study indicated that the proposed FGPI controller has better performance than the other three controllers.
ISSN:0142-0615
1879-3517
DOI:10.1016/j.ijepes.2005.06.003