AGENT-BASED APPROACH FOR ELECTRICITY DISTRIBUTION SYSTEMS Acknowledgements: Industrial Ontologies Group University of Vaasa University of Jyväskylä
Application area of Electricity Distribution Systems Fault occurs in the primary process Operator receives this information and performs the control operations needed
Web aware Electricity Distribution System Existing system Web aware system Context Information Providers Operator dashboard Geo information (map of area) Weather condition Process displays Alarm Lists Event Lists Trends Decision making Web. Services for SYS 600 Disturbance file information Network Control Center Micro. SCADA Pro Control System SYS 600 Micro. SCADA Pro Distribution Management System DMS 600 Web. Services for DMS 600 IEDs Electricity network nodes Fault Location algorithm 1 Fault Location algorithm 2
Operator dashboard, Web based Human System Interface Features: • To assist decision making • Integrating information from different sources • Integrating different application (Disturbance Draw) • Displaying information in suitable for the Operator: • user profile • positioning context • device context Events Substation Data Requirements for the underlying software products: • Open application programming interfaces (APIs) to integrate other applications • Web aware to enable Web. Services • Location information of objects (feeders, substations etc. ) should be accessible via some standard format List of fault events: Substation 486900730080 M 1 has fault Substation 477902467309 M 1 has fault Annotation The base of maintenance team N 1100 http: //support. abb. com/1100 See Online demonstration: http: //ttwin. techno. uwasa. fi/Dashboard Picture
Global Understanding Environment (GUN) platform Service Resources Fault Location web services Context information Providers Weather condition Web service (Algorithm 1) Geo information (map of area) Web service (Algorithm 2) Service Agents GUN Operator Dashboard Layers of GUN architecture: • resource • adapter • agent Expert Agents Device Agents COMTRADE Micro. SCADA Expert Resources Features: • Enables interfacing heterogeneous resources • devices • services • systems • human experts • documents • Arranges interaction between these resources • web-accessible • proactive • cooperative Device Resources
Entities in the prototype of Electricity Distribution System Feeder Geo Data Service Operator Network Structure Storage Fault Localization Service Risks Alert Service Directory Facilitator Ontology
Summary, Conclusions and Future work Summary: • GUN platform was used as a future test bed for electricity distribution system • Possible scenerios for importing and exporting information between different domains were recognized • Utilizing the learning capabilities of agents, e. g. faults of the power network and their solutions can be shared between the agents Conclusions: • Interoperability, automation and integration features of GUN platform were utilized • Context information supports expert (Operator) in decision making process Future work: • More complicated features of agents and their collaboration in Multiagent system (MAS) • Dashboard hides the underlying applications and Web. Services that provide the online information Thank you! Whether some more information is needed, contact: marko. viitala@fi. abb. com
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