Internet of things and smart grid

In view of China's smart grid construction and development characteristics,the authors introduce the application of smart grid sensor technology,communication network technology and data fusion technology and Internet application technology,and the supporting power interconnection of electric power optical fiber network,electric power wireless networks and telecommunication wireless broadband network long distance data transmission network are in detailed description.Finally we discuss the power of networking application scenes in the transmission line on-line monitoring technology,variable transmission power distribution intelligent patrol system,intelligent compound electric energy data acquisition system and electric vehicle auxiliary management system of 4technical paper.The four techniques are of great significance to enhance the level of information management of power system,and its infrastructure.