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Title: Fuzzy C-means load frequency controller in deregulated power environment

Authors: S. Srikanth; K.R. Sudha; Y. Butchi Raju

Addresses: Department of Electrical and Electronics Engineering, B.V.C. Engineering College, Odalarevu, A.P., India ' Department of Electrical Engineering, A U College of Engineering for Women, Andhra University, Visakhapatnam, India ' Department of Electrical and Electronics Engineering, Sir. C.R. Reddy College of Engineering, Eluru, A.P., India

Abstract: The load frequency control (LFC) problem has been a major subject in the power system design/operation. The evolution of many socialised companies for power generation affects the formulation of LFC problem. In the present paper, a fuzzy load frequency controller with minimum rule-base is proposed. The optimal rule base for the proposed controller is obtained from fuzzy C-means clustering technique. The efficacy of the proposed fuzzy C-means load frequency controller is verified and compared with existing techniques in the literature for a three area interconnected power system in deregulated environment for various operating conditions under different nonlinearities. The proposed controller is tested for practical generation plants (NTTPS, KTPS, and RTPS) in India.

Keywords: load frequency control; LFC; PID controllers; fuzzy control; fuzzy C-means clustering; deregulated power systems; India.

DOI: 10.1504/IJFCM.2016.077874

International Journal of Fuzzy Computation and Modelling, 2016 Vol.2 No.1, pp.27 - 49

Accepted: 31 Oct 2015
Published online: 20 Jul 2016 *

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