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Robust Optimization of Reactive Power for Voltage of Power Grids With a High Proportion of Distributed New Energy Access

Distributed power generation has been widely used in power system in recent years. Under the influence of wind speed and light intensity, the output of distributed power source is random. In this paper, robust optimization of reactive power for voltage of power grids with a high proportion of distributed new energy access is studied. Firstly, the reactive power optimization model for voltage of power grid with distributed new energy is established, and the power flow balance equation is linearized. The random fluctuation of actual wind speed adds uncertain parameters to the reactive power optimization model. In this paper, based on the robust peer model of linear programming and the box set of uncertainties, the robust optimization model of reactive power for voltage of power grids with distributed new energy with the elimination of uncertain parameters is obtained. The simulation results show that the proposed model can maintain the reliability and robustness of reactive power for voltage of power grids with distributed new energy with uncertain parameter fluctuations.