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A control strategy for the grid-connected PV system using a Z-source inverter

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6 Author(s)

This paper presents the MPPT (maximum power point tracking) and PCC (point of common coupling) current control strategy for grid-connected PV system using the ZSI (Z-source inverter). Several requirements of an inverter for PV-system and the shoot-through effect of the ZSI are analyzed. And then, the MPPT algorithm and PWM method for the ZSI are suggested. The feasibility is studied through the simulation and experiment with 3 kW system.

Published in:

Power and Energy Conference, 2008. PECon 2008. IEEE 2nd International

Date of Conference:

1-3 Dec. 2008