Power system simulation method considering line icing and insulator flashover

The invention discloses a power system simulation method considering line icing and insulator flashover. The method comprises the following steps: S1, constructing a simulation system; S2, acquiring meteorological data, constructing a disturbance model based on the meteorological data, processing the meteorological data through the disturbance model, and acquiring meteorological electrical data; S3, building a fault rate model based on the meteorological electrical data, and judging the meteorological electrical data; S4, acquiring power grid information, acquiring transient data based on the power grid information, and performing transient simulation based on the transient data; and S5, repeatedly executing the step S2 based on a transient simulation result until an iteration condition is met, carrying out load flow calculation based on the power grid information, obtaining the system charge loss amount, carrying out fault statistics according to the meteorological electrical data judgment result and the tra