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Research Article Open access CC BY 4.0

Load Frequency Control Using Fuzzy Logic Based Controller for Multi-area Power System

D. K. Sambariya, Vivek Nath

Journal of Advances in Mathematics and Computer Science · pp. 1–19 · Published 28 Dec 2015

10.9734/BJMCS/2016/22899

Abstract

Load frequency control (LFC) is required for reliable operation of a large interconnected power system. The main work of load frequency control is to regulate the power output of the generator within a specified area with respect to change in the system frequency and tie-line power; such as to maintain the scheduled system frequency and power interchange with other areas in a prescribe limits. In this paper, study of LFC system for single area and double area non-reheat thermal system is carried out. Fuzzy logic controller is used for controlling the frequency and tie-line power deviation. The robustness of the fuzzy logic controller is seen for different loading condition. Frequency and tie-line power response of the interconnected areas have been compared on the basis of peak-overshoot, peak-undershoot and settling time. The result of the fuzzy logic controller is compared to that of with classical controller such as proportional derivative plus integral (PID) controller, and it is found that the convention controller response is slow as compared to the intelligent controller.

Load Frequency Control (LFC) Fuzzy Logic Control (FLC) Automatic Control Error (ACE) Proportional-Integral-Derivative (PID) controller.

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