VOLTAGE STABILITY ANALYSIS METHOD AND SYSTEM BASED ON MULTI-SWING CHARACTERISTICS OF VOLTAGE DISTURBANCE CURVE, ELECTRONIC DEVICE, STORAGE MEDIUM, AND COMPUTER PROGRAM PRODUCT

The embodiments of the present disclosure provide a voltage stability analysis method based on multi-swing characteristics of a voltage disturbance curve, comprising: a main server obtaining a voltage disturbance curve of at least one node, and analyzing each voltage disturbance curve on the basis of multi-swing characteristics to determine analysis time and the number of curve wavelet package decomposition processing layers corresponding to each voltage disturbance curve; the main server establishing an analysis task corresponding to each node and issuing the analysis task to at least one sub-server; for any sub-server, on the basis of the analysis time and the number of curve wavelet package decomposition processing layers, performing wavelet package analysis on the voltage disturbance curve to obtain a wavelet decomposition coefficient of each layer corresponding to the voltage disturbance curve; for said sub-server, determining the characteristic value of each layer on the basis of the wavelet decompositi