An Improved Switched-Inductor Z-Source Inverter

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Abstract:

This paper presents an improved switched inductor (SL) Z-source inverter, which is derived from the classical SL Z-source inverter. To decrease the input current ripple, the proposed inverter employs an LC boost impedance network between the source and Z-source network. Compared with the SL Z-source inverter, the proposed inverter has the constant input current from the source and increases voltage boost inversion ability significantly. Topology analysis in the steady state is given, and simulation results verify the theoretical analysis results.

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1538-1541

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February 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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