Application of hybrid fuzzy PID controller for three-area power system with generation rate constraint
Source: International Journal of Energy Technology and Policy, Volume 8, Number 2, April 2012 , pp. 159-173(15)
Publisher: Inderscience Publishers
Abstract:This paper presents a new approach for load frequency control of three-area interconnected reheat thermal power system with the consideration of generation rate constraint (GRC). The PID-type fuzzy controller is combined with a conventional PID controller to enhance the performance and robustness of the controller. The proposed controller called hybrid fuzzy PID (HFLPID) controller has been designed for a three-area connected power system. Two performance criteria were utilised for the comparison. First, settling times and overshoots of the frequency deviation were compared. Later, integral of time multiplied absolute error (ITAE) analysis was carried out to compare all the controllers. All the models were simulated by MATLAB 7.0/Simulink software. The simulation results show that the proposed controller developed in this study performs better than the other controllers. Robustness of proposed controller is checked by analysing the system response with varying system parameters.
Document Type: Research Article
Affiliations: 1: Department of Electrical and Electronics Engineering, Maharaja Surajmal Institute of Technology, New Delhi, 110058, India. 2: Department of Instrumentation and Control Engineering, Netaji Subhas Institute of Technology, New Delhi, 110078, India. 3: Department of Electrical and Electronics Engineering Maharaja Surajmal Institute of Technology, New Delhi, 110058, India
Publication date: April 1, 2012
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