Distributed voltage optimization control method and system for high and medium voltage distribution network

The invention discloses a distributed voltage optimization control method and system for a high and medium voltage distribution network, and the method comprises the steps: collecting power grid data, and building a voltage global optimization control model for the high and medium voltage distribution network; and carrying out convexity on the model, and establishing a linear power flow model through an IDL-PF method. And solving the voltage global optimization control model of the high and medium voltage distribution network. According to the distributed voltage optimization control method and system for the high-and-medium-voltage power distribution network, the voltage stability and the operation efficiency of the high-and-medium-voltage power distribution network are effectively improved. Through the global optimization control model, coordinated control of the high and medium voltage distribution network voltage can be realized, the operation state of the power grid is optimized, and the voltage fluctuat