Design of Decentralized Fuzzy Logic Load Frequency Controller | Zendy

K.A. Ellithy | Zendy; K.A. El-Metwally | Zendy

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Design of Decentralized Fuzzy Logic Load Frequency Controller

Author(s) -

K.A. Ellithy,

K.A. El-Metwally

Publication year - 2012

Publication title -

international journal of intelligent systems and applications

Language(s) - English

Resource type - Journals

eISSN - 2074-9058

pISSN - 2074-904X

DOI - 10.5815/ijisa.2012.02.08

Subject(s) - fuzzy logic , control theory (sociology) , computer science , overshoot (microwave communication) , controller (irrigation) , frequency domain , automatic frequency control , control engineering , power (physics) , pid controller , control (management) , engineering , artificial intelligence , temperature control , agronomy , biology , telecommunications , physics , quantum mechanics , computer vision

This paper presents a novel approach for designing a decentralized controller for load frequency control of interconnected power areas. The proposed fuzzy logic load frequency controller (FLFC) has been designed to improve the dynamic performance of the frequency and tie line power under a sudden load change in the power areas. The effect of generation rate constraint (GRC) for both areas has been considered in the controller design. The proposed FLFC consists of two internal fuzzy logic controllers namely, the PD- like fuzzy logic controller and the PI-like fuzzy logic controller. The FLFC has been co-coordinated with the conventional integral controller. Time-domain simulations using MATALB/SIMULINK program has been performed to demonstrate the effectiveness of the proposed FLFC. The simulation results show that the proposed FLFC can provide good damping and reduce the overshoot even in the presence of the GRC.

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