Summarize research findings in all aspects of digital substation proposed definition and characteristics

Traditional substation digital technology use limitations, summarize all aspects of research findings presented digital substation definition and characteristics, discusses the digital substation models and functional stratification, investigation of the digital substation  electric meter  status, a preliminary study of the digital substation core technology the communication network construction and step implementation of the electronic transformer composition, theory and use situation, focus on the low-power electronic transformer principles, characteristics and  Air circuit breaker  for low power electronic voltage transformer sub-pressing issues an innovative practical solutions, and finally for the Shanghai power grid, this paper proposes a low-voltage power grid in specific applications, with  electri cenergy meter . Based on IEC61850 standard digital substation, refers to the substation once the electrical equipment to achieve digital communications, digital primary equipment and secondary smart devices are in accordance with the station uniform standard platform for data modeling and communication, and on this platform, based on the mutual interoperability between.