Special Issue Article
Modeling Of Grid Connected Hybrid System With Fuzzy Logic Controller For Voltage Regulation
Department of Electrical and Electronics Engineering, K.L.N College of Engineering, Madurai, India.
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This paper presents the voltage regulation of hybrid power system with the inter connection of PV system, wind energy conversion system and battery system. The voltage regulation is done with the help of fuzzy logic controller through simulations using MATLAB / SIMULINK. In the proposed system the solar energy and wind energy is combined to produce electrical energy and a battery source is used for charging and discharging of energy. Then power electronic converters are used for the conversion of ac to dc and dc to ac. A PWM inverter is used for the conversion of dc to ac supply. In which a control circuit is designed using fuzzy logic controller for gate signals for the voltage regulation of the hybrid energy system. Then the hybrid energy system is connected to the grid from which the energy is supplied to the loads. The voltage regulation is done for both AC and DC loads.