Abstract
This paper analyses the needs of smart grids for smart substation automation systems, studies and proposes a new scheme for smart substation automation systems, which applies vertical integration of intervals to reduce the implementation of protection and monitoring functions, improve system reliability and ease of maintenance; Adopting network parallel redundancy protocol to improve the reliability and standardization of information transmission in the station; applying service-oriented monitoring function to improve the level of information sharing and coordination and interaction between substations and control centres. The key technology of the system is expounded, and its application prospect is prospected. Finally, the discussion and analysis of some problems that may exist when the system is popularized and applied.
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