The Connotation, Characteristics and Development of Digitized Distribution Network: A Review

With the continuous expansion of power grid construction scale, it has entered the era of power big data, realizing the deep integration of advanced digital technology and power system. The construction of digital power grid is an important path to promote the digital transformation of power grid. Focusing on the basic concept of digital power grid, this paper expounds the technical connotation and characteristics of digital power grid in detail, constructing the technical framework of digital power grid, including sensor measurement, edge computing, information connection, digital platform, cross domain intelligence and system security. The paper analyzes the connotation, characteristics and supporting technologies of digital power grid, and constructs the digital power grid architecture. Finally, it prospects the development prospects.