Research On Multi-level Application Of Energy Storage Device In Distribution Network Side

In view of the urgent need to improve the supply capacity at the end of power grid,and ensure the safety and economic operation of distribution network,this paper conducts the research on the basic theory and systematic key technologies,and breakthroughs in key technologies such as application configuration of energy storage system and operation control of energy conversion device,develops monitoring and protection equipment of energy storage system,and builds application demonstration projects.Based on a thorough review of related literature at home and abroad,and mastering relevant field dynamics and the latest research information,learning from the latest international research progress and advanced experience of success,this paper introduces theoretical analysis,simulation analysis and the experimental verification method,combined with the accumulated research results and practical experience,through in-depth and rigorous theoretical research,simulation analysis and the necessary experimental studies,to complete research of the basic theory of ESS applications,energy conversion key technology and device,monitoring and protection technology,engineering application technology,key systems and equipment,and ultimately conduct a comprehensive assessment of the key technologies through the demonstration application.Based on the research of energy conversion technology and the development of the device,the foundation of equipment for energy storage station is established.Based on the monitoring and protection research of the ESS,the safe and stable operation security system of energy storage power plant is established.And the ESS engineering application technology research is taken as the support to provide technical support and solutions for the implementation of demonstration.Through the application of demonstration,basic theory,key equipment,and coordinated control strategy is validated.And in-depth study in accordance with the results of the operation is carried out to make a comprehensive assessment and summary of the project.