| Distribution network is the key link and end link in power supply chain,and it is also a window for power supply enterprises.As the basic supporting technology of distribution network,distribution automation is the key technology to realize intelligent and active distribution network,and it is also an important technical means to improve the level of distribution network operation and management.The most important purpose of the construction of distribution automation is to improve the reliability of power supply,that is,to reduce the time of power failure in distribution network,to make full use of the functions of real-time monitoring of distribution network running state,fast location of fault section,automatic recovery of non-fault section,remote control and so on.To reduce labor intensity and economic benefits win-win.Distribution automation planning needs to be adapted to the division of power supply area and power supply reliability target,to be connected with distribution network planning and communication planning,to coordinate with primary network structure and equipment,and to have a large area coverage to bring its effect into full play.It involves thousands of terminal equipments,and its construction process is a huge comprehensive project,so it needs scientific and reasonable layout planning and design to lay a good foundation for the construction of reliable,practical and economical distribution automation system.Based on the distribution network planning in Yichang area,according to the relevant standards and norms formulated by the relevant state departments and industries,and according to the 13 th Five-Year Plan of the Yichang area,under the premise of the optimization of the grid structure,Carry out distribution automation planning and benefit analysis.Firstly,this paper expounds the background and significance of distribution automation in Yichang area,expounds the basic concept and system function of distribution automation system,and analyzes the load development situation and reliability requirements of power supply in Yichang area combined with economic and social development planning.Based on the evaluation and analysis of the distribution network structure and equipment,that is,the present situation of distribution automation application,the main problems of distribution network in Yichang area and the demand of distribution automation construction are put forward.The planning objectives and technical principles of distribution automation for Yichang area are established.According to the problems solved by the demand,the functions and the standards to be followed,this paper makes a comprehensive plan for the construction of distribution automation in Yichang area,and formulates the plan and project list from the aspects of main station,terminal,information exchange,information security and so on.At the end of the paper,the effect of distribution automation is analyzed,and some suggestions are put forward for the future construction and professional management of distribution automation in Yichang Power supply Company. |
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