Analysis on Stability of Integration of Wind Farms into Power Systems

By case study, an in-depth study on the characteristic of transient stability is made when wind farms are connected to the power grid. Combined with the transient characteristics of wind turbine, the impacts on the power system and wind turbine have been studied when the three short-circuit fault occurring in the power grid. The different impacts on the stability of power system and the bus voltage are analyzed and compared on condition that different capacity of wind farms are connected at the same point of the power grid, as well as the varying degrees of influence when wind farm connected at different points. The impact of the bus voltage is studied when the access point between the wind farm and power grid broke down. Under the premise of guaranteeing the safety of static binding of the power grid and dynamic security requirements of large disturbance cases, it will provide the basis of the best wind power capacity connected to the power grid.