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Modified phase locked loop for grid connected single phase inverter
2019
International Journal of Electrical and Computer Engineering (IJECE)
Connecting a single-phase or three-phase inverter to the grid in distributed generation applications requires synchronization with the grid. Synchronization of an inverter-connected distributed generation units in its basic form necessitates accurate information about the frequency and phase angle of the utility grid. Phase Locked Loop (PLL) circuit is usually used for the purpose of synchronization. However, deviation in the grid frequency from nominal value will cause errors in the PLL
doi:10.11591/ijece.v9i5.pp3934-3943
fatcat:6yfewi4r2reqlpvyilcynwsbbi