The Research Of Security Economic Dispatch Of Wind Farm Based On Robust Optimization

With the development of wind power, more and more large wind turbine grid, to power system security and stability has brought new challenges, research into account the wind farm economic dispatch of power system security engineering with a very practical significance. Based on the traditional security model based on economic dispatch, taking into account wind uncertainty of input power for the mathematical quantification of the uncertainty, the traditional safe and economic operation model with uncertain variables into the safe and economic operation model, for In this model, robust optimization theory to be processed and used to simplify the dual optimization theory, and ultimately come to the uncertainty of wind energy security input power economic dispatch model. To improve the model through the IEEE-30 bus system simulation, for example, tested the constructed model is reasonable and feasible. Input power in the uncertainty of wind power economic dispatch model of security based on further consideration of the input power of the wind power grid and other uncertainties caused by the uncertainty of line parameters, the use of wind power output, such as dealing with uncertainty of safe and economical method of scheduling model is constructed taking into account the uncertainty of wind power output and the double line parameter uncertainty the uncertainty of security economic dispatch model, the model uncertainties into account the double impact of safety on the line According to the model constructed using the improved IEEE-30 bus system simulation, obtained an uncertain security economic dispatch region (USEDR), an independent system operation (ISO) can be based on safety and economy of reasonable assurance system disturbance indicators in the region scheduling.