Reactive Power Compensation Technologies, Stateof- the-Art Review This paper presents an overview of the state of the art in reactive power compensation technologies.

High penetration of wind energy into the grid may introduce stability and power quality problems due to the fluctuating nature of the wind and the increasing complexity of the power system. By implementing advanced functionalities in power converters

statcom在风电场中的应用，提供无功补偿，维持风电场的稳定运行。-statcom wind farm reactive power compensation to maintain the stable operation of the wind farm.

single-phase grid-connected inverter system based on LCL filter is established，which combines the features of inverter and active power filter. A composite control strategy for grid-connected inverter with the function of implementing reactive po