Electric power system voltage stability evaluation method based on high permeability variable flow type power supply grid connection

The invention discloses an electric power system voltage stability evaluation method based on high permeability variable flow type power supply grid connection, and relates to the technical field of high permeability variable flow type power supply grid connection, and the method comprises the following steps: collecting a plurality of data when an electric power system carries out upward adjustment and downward adjustment, comprising a high-permeability power supply response curve coefficient, a power grid load fluctuation coefficient and a power system monitoring platform input and output signal difference coefficient, establishing a data analysis model, and generating a voltage stability evaluation coefficient; comparing and analyzing the voltage stability evaluation coefficient and a preset voltage stability threshold value, judging the voltage stability condition of the power system during upward adjustment and downward adjustment, giving out an early warning prompt for the hidden danger of low voltage s