Power distribution system damage and recovery dynamic process evaluation method under extreme event

The invention discloses a power distribution system damage and recovery dynamic process evaluation method under an extreme event, which solves the defects in the prior art, and comprises the following steps: S1, determining related parameters of a power distribution system and extreme event disaster information: S101, determining network topology parameters of the power distribution system, the parameters including line information, user information and power supply information; s102, determining disturbance intensity and duration of the extreme event; s103, according to the disturbance intensity of the extreme event and the element vulnerability curve, determining the fault rate of the power distribution system element and the repair rate of the fault element in the repair process; s2, simulating the fault process of the power distribution system; s3, simulating the recovery process of the power distribution system; s4, repeating the steps S2 and S3 for multiple times to obtain a plurality of damaged and rec