Research on Steady-state Reactive Power Optimization Considering Synchronous Condensers for Wind Power Centralized Systems

In order to improve the voltage stability problem in wind power centralized systems, a steady-state reactive power optimization scheme based on Artificial Fish Swarm Algorithm (AFSA) is proposed. The improvement is achieved through the distribution of reactive power support among multiple reactive power compensation equipment such as wind turbines, Synchronous Condensers and Static Var Generators. Several objectives are satisfied such as the good controllability of the voltage of the grid-connected point, the improvement of the voltage safety margin of the whole system and the reduction of network loss of the wind farm. The proposed reactive power optimization and voltage control strategy provides an efficient way to improve the economy of the whole wind farm operation and ensures the safety and stability of the power grid.