System Design And Control Research Of Micro-Grid Based On Wind Generation

With the rapid development of economic,the human demand for energy increases year by year,and the crisis of energy and environmental is also becoming more and more highlighted.Therefore,the micro-grid technology combined with clean energy and distributed generation has been widely concerned around the world.Wind energy resources are rich in our country,with the breakthrough of hydraulic technology,the distribution micro-grid system mixed with new type hydraulic wind power technology has broad application prospects because of the environmental,efficiency and flexible.The micro-grid project in this paper is such an integrated power supply system,including wave energy generation and power storage.Micro-grid system's manage and control technology is one of main parts of the research on ocean energy micro-grids.On the one hand,the distributed power sources in micro-grid are intermittent and fluctuated;on the other hand,the use of electronic equipment has made the control strategy more complexity,both of which have make a challenge to the security of power quality.Therefore,the coordination of distributed generations and the security,economic and efficient of system operation should be based on reasonable strategy of manage and control.This paper firstly finished the study and design of structure,model and control strategy for the systems of wind power generation and energy storage,which are analyzed in model by MATLAB/Simulink software.And then the further research on manage and control strategy of micro-grid was made from distributed source control,micro-grid integrated control and energy schedule,which are suitable for the connection of renewable energy including wind.Finally,based on the intermittency and fluctuation of hydraulic wind generation,combining with the technology of energy storage control,the micro-grid control technology and strategy for the system is designed in this paper.The result of simulation proved the validity and effectiveness of the designed control strategy in multi conditions.