At present,distributed photovoltaic is growing explosively in rural area.Firstly,this paper introduces the situation of the demonstration area,and points out the problems applying the urban grid transformation scheme to the rural grid;Secondly,from two aspects of low-voltage AC/DC grid structure and active support technology,it introduces the characteristics of AC/DC transformation scheme such as flexibility,controllable power flow and low cost.After that,it introduces the distributed energy aggregation platform from the two aspects of the system architecture and data fusion;Thirdly,scheme and rural power grid digitalization is verified through laboratory test data and field applications;Finally,the demonstration project of low-carbon digital transformation of rural power grids and the future development direction are analyzed and summarized.
关键词
农村电网/分布式光伏/低压交直流电网/分布式能源聚合/示范工程
Key words
rural power grid/distributed photovoltaic/low-voltage AC/DC power grid/distributed energy aggregation/demonstration project
维普
万方数据