The Research On Data Exchange Of Power System Model Based On CIM/DAF

The continuous improvement of the automation of Electric power system in information age renders Standardization as an inexorable trend for Energy Management Sysetm (EMS). Common information model (CIM) of IEC-61970 provided a common model for exchanging in different EMS. Based on CIM, Component Interface Specification (CIS) of IEC-61970 afford a standard interface for data accessing and employed the International standard Data Access Facility (DAF) released by the OMG as its basic interface.CIM/XML,as a carrier of exchange information on EMS systems is essentially based on RDF technology. In the development of EMS, JENA technology that focused on RDF has been introduced to process CIM/XML. JENA can automatically produce CIM/XML data, and highly effective query helping to Implementation of CIS. JENA technology provides a new and effective way to practical for IEC 61970 standard.In the chapter 1, the purpose and background of this paper are introduced.In the chapter 2, the IEC-61970 Specification as well as the CIM and CIS interface is presented.In the chapter 3, the key technology used in the EMS system on the basis of CIM, which includes RDF, JENA and CORBA is illustrated.In the chapter 4, JENA technology is used for CIM data processing, the procedure of export data from EMS database to CIM/XML file is discussed in details and a new object database of CIM was created based on JENA technology.In chapter 5, DAF and distributed component technology based Common Object Request Broker Architecture (CORBA) is further discussed in the first place and then the main interface service RDF of CIS was implemented with the use of SparQL inquiry language on the basis of JENA.