The Research And Application Of The Grid Based On The Common Information Model

Power system of informatization in China started in the 1960 s,some in the light of the demand of the electric power enterprises from their different information management system is established,and the construction of these systems,greatly improve the automation of electric power enterprise internal business processes and operational efficiency of the enterprise.However,because of the existing various manufacturers to develop information system is not open,more and more,large and small "information island",data exchange interface between application systems become a big problem in the development of the enterprise information management.To this end,the international electrotechnical commission(IEC)57 branch introduced a common information model(CIM),for the power information system integration and open laid a foundation.Based on CIM modeling of power grid information for further research and application of exploration is of great importance.In this paper,through carefully reading a large number of references,understand the grid informatization current development situation at home and abroad,according to the outstanding problems existing in the development of grid informatization,points out that network information model based on common information model has important theoretical and practical significance.IEC61970 and IEC61968 as the theoretical basis for the latest version of the international electrician committee’s recent release,and the basic concepts of the public information model are studied.In order to better the public information model itself and the grid based on common information model and create,modify,and maintain information model,through the comparison of multiple development software,finally selected the Enterprise Architect software tools,it is from the requirements,analysis,design model to track in the whole process of the implementation and deployment capabilities.Based on object-oriented unified modeling theory,based on common information model is constructed in detail information model of power grid,the grid entity object mapping with public information model class;Based on the public information model,the information model of the power grid was established,and the effect of real-time query,activity recording,state tracking and power network asset management was realized.Based on the common information model,the grid topology information model is established,which is the key node of the build model based on the endpoint,the connection node,and the topology node.Based on the public information model,the model of grid computing information was established.Then,the network topology analysis algorithm was studied,and the global layered topological analysis and local topological analysis were proposed.In order to guarantee the model three parts can better adapt to the needs of the development of future power grid information,puts forward a set of logical model extension method and the extension principle,makes building grid information model is more reasonable and more complete.In the case of the 10 k V IV bus in the large port area,the information modeling based on CIM is carried out,by means of SVG combined with CIM implementation power grid graphics and graphic topology data exchange,finally obtain the accurate graphical information and the derivation of the complete program,which is based on common information model of power grid graphics interaction to verify.Finally gives the create real need to adopt the technology architecture of digital power grid,key technologies and implementation function,is the further extension of power grid information model application.