The Control Strategy and Simulation of Three-Phase Grid-Connected Photovoltaic System

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Abstract:

Firstly the research situation for grid-connected photovoltaic (PV) is introduced, then, the engineering mathematical model of PV cells is introduced. The perturbation and observation algorithm is chosen as the maximum power point tracking (MPPT) algorithm. The SPWM double-loop control strategy with outer voltage loop and inner current loop is described and a three-phase grid-connected photovoltaic model is established. The simulation results demonstrate the validity and correctness of the simulation model built in this paper.

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Periodical:

Advanced Materials Research (Volumes 608-609)

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164-168

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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