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Wind-Storage Joint Multi-Objective Reactive Optimization Considering Ramp Events of Wind Power

The violent fluctuations of ramp events of wind power will bring great harm to the safe operation of the power systems. For limit the impact from the ramp events of wind power, the application of energy storage system (ESS) to balance the active power system is very popular in the current research. However, ramp events of wind power also influence the reactive power balance and cause the voltage offset of the power systems. Based on this, a wind-storage joint multi- objective reactive optimization model is proposed to comprehensively suppress the fluctuations of active and reactive power resulted from ramp events of wind power. The model is solved by using the Pareto archive multi-objective particle swarm algorithm combined with the niche algorithm. Through the simulation and result analysis of the IEEE-33 node system in Matlab, the model can effectively suppress the impact of power systems resulted from ramp events of wind power, which can reduce both the active power loss and the voltage offset of the power systems.