Design And Application Research Of 110kV Huachen Intelligent Substation

Smart grid is the trend and direction of development of the power grid,It is the foundation and guarantee national energy strategy implementation.Intelligent substation is an important part of the smart grid,it represents the developing direction of new technology of substation,is an important support to the construction of strong smart grid.This paper describes the background and actual situation of Smart Substation in substation development process,The difference of function between digital substation and intelligent substation in comparison with traditional substation,Highlight many advantages of Smart Substation,The computer control,communication technology,power electronic transmission and other technologies are integrated,Finally,it is convenient to maintain,convenient to upgrade and convenient to expand the application requirements,Through the integration of various functions within the substation,Realization of information sharing between substation and other equipment in power grid,Optimize station resources,Further improve the safety and reliability of substation operation.Firstly,the related technologies of intelligent substation are analyzed systematically,Based on the working principle and function of the first and two equipments in the intelligent substation,The virtual loop system and cockpit technology of IEC61850 are described in detail.Then take the first 110kV Huachen Smart Substation in Kunming as a case,Adopting innovative design concepts and methods,The system architecture of 110kV Huachen Smart Substation is proposed,and the configuration of equipment and network structure of integrated automation system are presented.Finally,the implementation of intelligent design scheme in 110kW Huachen substation is expounded,Aiming at the intelligent component which interfaces with the primary electrical equipment,the merging unit is studied in terms of technology and Application,The implementation methods of network system and cockpit technology are proposed,and the implementation methods of advanced application functions are analyzed.The project example of 110KV brilliance substation is analyzed,The successful experience that can be used for subsequent projects is summarized,Valuable experience for the construction of Smart Substation in the future,It also provides useful reference value for the construction of intelligent substation with higher voltage level.