Feed-forward control method and device for grid-connected inverter and computer readable storage medium

The invention provides a feed-forward control method and device for a grid-connected inverter and a computer readable storage medium. The feed-forward control method comprises the following steps of extracting a harmonic signal within a first preset frequency range from the capacitance voltage of a capacitor in a filter connected with the output end of the grid-connected inverter, determining the frequency corresponding to the maximum value of the harmonic amplitude based on the harmonic amplitude of each frequency of the harmonic signal in the first preset frequency range, acquiring a harmonic voltage component by carrying out band-pass filtering with the frequency as the center frequency on the capacitance voltage, and acquiring a feed-forward voltage control component based on the fundamental voltage component and the harmonic voltage component of the capacitance voltage. According to the feed-forward control method and the feed-forward control device of the grid-connected inverter provided by the embodime