Resonance Control Method of Grid Connected Wind Power Generation System Based on Robust Control
With the increasing amount of wind and photovoltaic power generation,the absorption of electric energy has be-come a current hot spot.Sending wind power and photovoltaic abundant electricity into the grid is the key to solving power consump-tion,but at the same time,it will affect the quality of grid connected output power.This paper proposes a resonance control method based on robust control strategy for wind power grid connected systems,which can effectively improve the output power quality of grid connected systems.Firstly,based on the system performance requirements,the weighting function and the system structure un-certainty description function are selected to establish a mathematical model of the wind power grid connected system.Finally,a ro-bust controller is obtained through solving.On the Matlab/Simulink simulation platform,the proposed control method is compared with the traditional PI control method,and it is verified that the proposed control method has strong robustness to the resonance con-trol of wind power grid connected systems.
grid connected inverterLCL type filterresonance suppressionrobust control
国家科技期刊平台
NSTL
万方数据
