Transmission Capacity of Grid-Connecting Channel for the Second Phase of 3 GW Jiuquan Wind Power Base Project and Configuration of Its Reactive Power Compensation Equipments

Due to the randomness and fluctuation of wind power output,the grid-connection of large-scale wind farms brings a puzzle to power grid to accommodate the wind power.In allusion to the accommodation of the second phase of 3 GW Jiuquan wind power base project,taking the typical pattern of planned construction as example,the characteristics of reactive power and voltage of power grid are analyzed and on this basis the configuration schemes of reactive power compensation equipments under two typical conditions are researched,and the transmission capacity of grid-connecting channel for the second phase of 3 GW Jiuquan wind power base project is discussed in two aspects.Based on various influencing factors,the sensitivities of configuration schemes of reactive power compensation equipments and transmission capacity are further demonstrated,and then feasible measures and suggestions are given.