Overload dynamic decision generation method of power transmission network and related device

The invention discloses an overload dynamic decision generation method of a power transmission network and a related device, and the method comprises the steps: obtaining a power grid operation state and power flow data under a line overload condition according to a preset power grid simulation model, and the preset power grid simulation model comprises a power transmission network simplified circuit and a power distribution network simplified circuit; based on the Markov decision theory, a deep reinforcement learning model constructed based on the power flow data is trained according to the power grid operation state, a power transmission network topology regulation and control model is obtained, and the deep reinforcement learning model comprises a reward function composed of a load power shortage punishment, a fault punishment and an action cost; and performing decision analysis on the real-time line overload operation data through the power transmission network topology regulation and control model to obt