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Brintha Jane Justin
Rama reddy sathi

Abstract

Wind Energy Conversion System (WECS) which includes the Permanent Magnet Synchronous Generator (PMSG), the Single-Ended Primary-Inductor Converter (SEPIC) and the load is modeled, simulated and implemented. SEPIC is proposed to control the output voltage of WECS. A composite filter is proposed at the output of the SEPIC to minimize the ripple in the output voltage .The proposed wind energy conversion system, subjected to the variations in the wind can supply power to the connected loads. The main purpose is to generate 230-V/50-Hz supply to domestic appliances through a single-phase inverter. In this paper, the comparison of various controllers like Proportional Integral Derivative (PID) and Fuzzy Logic controller (FLC) for the control of SEPIC based micro wind energy conversion system is presented. The SEPIC is preferred to other converters for the wind energy conversion system as it provides low input current ripple compared with other converter. The voltage ripple in the proposed system is minimized using a composite filter. The Total Harmonic Distortion (THD) of SEPIC based WECS with linear and non-linear loads are analyzed. Fuzzy Logic control is proposed for the micro-wind energy conversion system, since it improves the damping characteristics of the wind energy system over a wide range of operating points. The simulation results and the experimental results are presented in this paper

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