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Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Photovoltaic (PV) grid-connected system is the development trend of photovoltaic systems. According to the PV grid-connected system characteristics, analyzes the PV grid-connected inverter control and maximum power point tracking (MPPT) control strategy based on two-stage power conversion architecture, proposed a novel MPPT control algorithm, presents the design of a photovoltaic grid-connected inverse system based on the digital signal processor TMS320F2407. The experiment results verify that the system can track the maximum power point quickly, the grid-connected current wave achieves our need and the wave of grid-connected current has the same frequency and phase as the utility voltage.