SYNCHRONIZATION CONTROL FOR RECONNECTING MICROGRID TO MAIN GRID AFTER ISLANDING

摘要

A method and system are provided. The method includes synchronously reconnecting a microgrid to a main grid after islanding of the microgrid. The synchronously reconnecting step includes calculating a phase angle difference between synchrophasor measurements collected from a common coupling on the main grid and synchrophasor measurements collected from a common coupling on the microgrid. The synchronously reconnecting step further includes calculating, by a controller, a frequency reference deviation based on the phase angle difference. The synchronously reconnecting step also includes adjusting a frequency of the diesel generator based on the frequency reference deviation.

主权项

1. A method, comprising:
synchronously reconnecting a microgrid to a main grid after islanding of the microgrid, wherein said synchronously reconnecting step comprises:
calculating a phase angle difference between synchrophasor measurements collected from a common coupling on the main grid and synchrophasor measurements collected from a common coupling on the microgrid;calculating, by a controller, a frequency reference deviation based on the phase angle difference; andadjusting a frequency of the diesel generator based on the frequency reference deviation.