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Communication in the Substation Domain

Communication in the Substation Domain. IEC 61850. one world one technology one standard. HV. busbar. coupler. Transformer. Line. Line. coupler. busbar. MV. feeder. Single line diagram of a Substation. HM I. Processinterface. Processinterface. Processinterface.

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Communication in the Substation Domain

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  1. Communication in the Substation Domain IEC 61850 one world one technology one standard

  2. HV busbar coupler Transformer Line Line coupler busbar MV feeder Single line diagram of a Substation

  3. HM I Processinterface Processinterface Processinterface Typical Substation Automation System Station Central Gateway Functions Station bus Protection Protection Bay control Protection Bay control & Control Process bus

  4. HM I Protection 1 Protection 1 Protection 2 Protection 2 Processinterface Processinterface Processinterface Example: Protection 1 and Protection 2 from different manufacturers Station Central Gateway Functions Station bus Protection Protection Bay control Protection Bay control & Control Process bus

  5. HM I Protection 1 Protection 2 Protection 1 Protection 2 Processinterface Processinterface Processinterface Today: Different Protocols Station Central Gateway Functions FIELDBUS DNP LON PROFIBUS 60870-5 -101/4 60870-5 -103 MODBUS Protection & Control others MVB,CAN

  6. Ideal ? MODBUS PROFIBUS UCA2 proprietary 60870-5 -103 LON proprietary 60870-5 -101/4 FIELDBUS proprietary DNP MVB proprietary

  7. EPRI-Project UCA.2 The international Goal Experience with IEC 60870-5 and -6 The Goal: A global Standard IEC 61850 Global consideration • Needs • Experience • Know-how

  8. One Protocol • for all the needs in the substation • flexible configuration • no gateways required • Quicker project execution • comprehensive data model • clear, standardised project- and equipment description • Configuration of substation in XML • Efficient maintenance • robust data modelling • self-descriptive equipment • automation-configuration in XML IEC 61850: Cost Advantages

  9. ETHERNET • & • TCP/IP • adoptedworldwide • scalabletechnology • commonuse of infrastructure • Separation from • Application und • Communication • data and application stay secure • independent from communication-systems • unconstrained further development of the technology • Innovation • & • Expansion • firm rules forthe descriptionof new data-objects and functions • interoperability is maintained IEC 61850: A Future-proof Investment

  10. Terna - the Company • Terna is the Enel’s Group high voltage transmission system owner (95% of the total Italian grid) • 37000 km transmission lines • 267 Substations • 1 Headquarter • 10 Business Units • 60 Operating Groups (O&M) • Scalable range of business services

  11. Distributed Intelligence • Standard Hardware • Standardised protocol with IEC61850 Technology Economy Functionality • Backward Compatibility • Integration with remote control • Simplification/Streamlining • Bay/Station standard concepts • Best cost/performance • Plant control • Manufacturers certification Terna’s Expectations for the SICAS-System using IEC61850 SICAS

  12. IEC 61850 SICAS Roadmap • First digital approach (STADIO 99) • Starting SICAS Specifications (2001) • First tenders/experience • SICAS Target architecture/protocols (2002) • Manufacturers cooperation (2002) • ABB, Alstom, Siemens • SICAS communication using IEC61850 • Technological architecture improvement (2003)

  13. The new RWE about 7,000 employees 185,000 km of electricity network 1,500 communities 130 distributors area 36,800 km² inhabitants 7.4 millions turnover 52,735 M€

  14. IEC 61850: Advantages & Expectations for RWE • Stability and durability(longer operation life-span) • Manufacturer and Application independent • Possibility of combining equipment from different manufacturers • Good Applicability and Extendibility • Investment protection

  15. IEC 61850 Activities of RWE Net AG • active member on the standardisation • representation of users‘ interests • standards accompanying Project OCIS • user-oriented definitions, needs, station modelling Near the completion of the standard, a concrete pilot-project for verifying • technical/economical alternative to the present station control technique • definition of a ‘compatible‘ process bus • generality in the sense of sTCA(Seamless Telecontrol Communication Architecture)

  16. Statement from American Electric Power John Burger, principal engineer of AEP responsible for substation automation communication Video Clip : Please follow the separate link on the ‘presentations’ site AEP largest utility in US looking for interoperabel solutions for more than 6 years supporting the utility initiative for UCA will switch to IEC61850 if this global standard is ready

  17. “Committee Drafts for vote” “Final drafts International Standard” “International Standard” IEC 61850 2003 2004 2002 2001 Common work on the standard and on the interoperability ABB, ALSTOM, SIEMENS with the first interoperable products on the market IEC 61850 Time-scale one world one technology one standard

  18. INTEROPERABILITY One manufacturer…private Two manufacturers…by chance Three manufacturers … interoperability !

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