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Journal of Applied Sciences
Year: 2014  |  Volume: 14  |  Issue: 17  |  Page No.: 1928 - 1935

Fuzzy Controller Based Switched Boost Converter with Reduced Harmonics for Micro Grid Application

R. Balasubramanian, K. Parkavi Karthirvelu, N. Divya, Rengarajan Amirtharajan and S. Palani    

Abstract: Z source converter is the improved version of Voltage Source Inverter (VSI) which utilizes shoot through state of the switches and can be operated in both buck and boost mode of operation. The major drawbacks of Z Source Converter (ZSC) is the high cost, more space and not suitable for lower power applications. In order to overcome these disadvantages, Switched Boost Converter (SBC) is proposed. The proposed converter overcomes the limitations of the conventional ZSC such as lower cost, compact space and less use of passive components. This feature of SBC makes it appropriate for micro grid applications. In this study, SBC is designed for micro grid applications with Proportional-integral controller as well as fuzzy logic controller and total harmonic distortions are compared.

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