| Intelligent substation is the latest development of substation automation technology under the background of the development of smart power grid in the world.results.Based on the theory and technical requirements of the smart grid,intelligent substation has been innovative in the system once and the secondary side,such as GIS bus,electronic transformer,main equipment auxiliary monitoring device,relay protection system,communication and automation systems,etc.Intelligent substation design and operation are required to reference standards and procedures different from traditional.In this paper,by studying the development of smart grid and intelligent substation technology,the advantages and disadvantages of intelligent substation technology and development direction are mastered.Based on the above understanding,firstly,main circuit system of intelligent substation is studied,including the intelligent substation system structure,functional distinction and equipment composition,intelligent substation primary and secondary equipment and systems are analyzed too,then the design points of intelligent substation are determined.From the substation site selection,load analysis,access system and construction scheme,electrical main wiring scheme to start,the tasks such as electrical main wiring design,short circuit calculation,electrical equipment selection,insulation coordination and over-voltage protection design,the electrical plane and power distribution equipment layout,station power and power lighting settings,cable and fiber optic cable laying,lightning protection and grounding settings and other major systems design,as well as supporting construction site,ventilation and air conditioning,hydraulic and fire control,environmental protection facilities,and other auxiliary system design,are finished successively.Finally,the above research and design scheme are summarized and analyzed,and the development prospect of intelligent substation technology is prospected. |
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