Big Data Storage Technology for Smart Distribution Grid Based on Neo4j Graph Database

In the smart distribution grid, deep integration of power system and information system is the development direction. In order to effectively excavate the potential value of massive data generated in planning and operation phases, the storage of big data is one of the key technologies. This paper proposes a big data storage method for smart distribution grid based on neo4j graph database. Use the common information model (CIM) of power system for reference to establish topology model of smart distribution grid. The storage method of multivariate heterogeneous data is presented integrated the advantages of graph database and relational database. Simulation results on the IEEE standard test systems show that the proposed big data storage method is able to effectively improve data storage and analysis efficiency of smart distribution grid, and a practical citizen power grid is adopted to verified the effectiveness.