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Abstract
This paper presents the control model of three phase grid- connected photovoltaic inverter based on the analysis of operating principle of two-stage conventional gridconnected inverter. The mathematical model of inverter under dq frame is set up and the overall control strategy of two-stage photovoltaic grid-connected inverter is proposed in this paper. To overcome the distortion general caused by switching effect on sensors, a Kalman filter is introduced. The control strategy was simulated on Matlab – Simulink to verify the steady and dynamic of model, improving the quality of electrical power to consumers.
Issue: Vol 18 No 3 (2015)
Page No.: 192-198
Published: Aug 30, 2015
Section: Engineering and Technology - Research article
DOI: https://doi.org/10.32508/stdj.v18i3.901
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