• Modified impedance source inverter for power conditioning system

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    • Keywords


      Modified impedance source inverter; power conditioning system; cross conduction period; modified space vector pulse width modulation; field programmable gate array.

    • Abstract


      Based on classical impedance source inverter concept, this paper presents a modified impedance source inverter controlled by different pulse width modulation control strategies for solar PV/battery-powered applications. A brief topology analysis, generalized discussion and design of impedance network elements are presented. Comparison with the classical impedance source inverter is presented. Using simulation, analytical results are presented that ensure stability. The proposed voltage type inverter has reduced inrush current at startup, less capacitor voltage stress and minimum inductor current ripples. DC link voltage boost, reduced total harmonic distortion of output current and voltage, better voltage gain and wide range of output voltage controlcan be achieved easily with improved power quality. Experimental set-up of the modified impedance source inverter with Field Programmable Gate Array (FPGA) controller has been constructed to ascertain the results.

    • Author Affiliations



      1. Department of Electrical and Electronics Engineering, Government College of Engineering, Tirunelveli 627007, India
    • Dates

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