Research On 10kV Integrated Automation System Of Distribution Network Based On GIS Technology

Electric energy has become a necessary energy for human life,and distribution network is the basic unit of power transmission and supply.With the accelerated development of urbanization,the scale of distribution network is becoming larger and larger.This increases the complexity of power grid management.If advanced automation technology and GIS technology are used to realize the control and management of distribution network.Then it can reduce the workload of manual management and improve the efficiency of power grid operation.The 10 kV grade power grid is almost directly facing the users' distribution lines.It has a large number and a wide coverage area,which is an important guarantee of distribution reliability.This paper mainly studies the design of integrated automation system of 10 kV distribution network based on GIS technology,expands the automation of distribution network to 10 kV grade power grid,and realizes the automation management of this grade power grid.Firstly,the background and significance of the topic are analyzed.It discusses the development status of distribution automation system at home and abroad and the existing problems.Secondly,it studies the overall architecture and key technologies of distribution automation system.Through the analysis of the basic structure of distribution network,it clarifies the relevant factors that restrict the development of 10 kV distribution automation system.It discusses the choice of communication mode of distribution automation system,the influence of GIS technology on distribution automation and the basic information acquisition mode of GIS system.On the basis of technical analysis,it completes the overall design of distribution automation system based on GIS technology.The electrical design scheme and wireless communication mode of distribution automation system are determined.It designs a scheme for obtaining geographic coordinate information.This paper focuses on the design of field communication node of 10 kV distribution automation system.Based on the analysis of the requirement of the communication node,it completes the implementation scheme of the optical fiber private network communication network and the implementation scheme of the network communication.It introduces in detail the overall design of field communication access unit,the comparative selection of microcontrollers,the basic circuit design and the design of other interface circuits.At the end of the paper,the integrated scheme design of distribution automation system based on GIS technology is discussed.Based on the analysis of the technical requirements of information system integration,the integration of GIS system and distribution automation system is analyzed,and the flow chart of information exchange is drawn.It focuses on the integration of distribution automation system and production PMS system,and the integration of distribution automation system and centralized control system.This paper solves the problems of the realization of the distribution automation system based on GIS technology,the realization of the automation of 10 kV grade distribution network,the integration of the system and the communication between the equipment and the system,and basically realizes the design of the integrated automation system of 10 kV distribution network based on GIS technology.The system will effectively improve the stability of 10 kV power grid and reduce the cost of operation and maintenance.