Study On Some Key Technologies Of Shanghai 220kv Transformer Substation Intelligent Reformation

As the important point of transmission network and the data acquisition source, intelligent substation is an important part of a smart grid. Intelligent substation is the focus of the development of smart grid.For the actual needs of the Luding station intelligent transformation project, the intelligent substation retrofit scheme were discussed in this paper.All domestic intelligent substation development process was introduced through compared with conventional substation, and the characteristics and advantages of intelligent substation framework analyzed. According to the technical requirements of intelligent substation, the intelligent substation design standard system are used to constructing intelligent substation. In this paper, electronic transformer intelligent terminal, merging unit, intelligent substation typical equipment were analyzed. IEC61850 protocol application and key nodes are introduced, considering a Shanghai pilot Luding intelligent substation construction. The proper technical advancement, the safe and reliable application solutions, and advanced application functions were discussed. For conventional substation intelligent transformation, combined with the whole life cycle, the primary device, the secondary device, automation and other aspects, have discussed considering the realization of conventional substation intelligent transformation of different schemes. At last, the paper proposed the present temporary problems and future development direction.