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Northern States Power Company

Northern States Power Company. ICCP Real-Time Data Access for Distribution, Transmission, and Generation. David Maier NSP Northern States Power Company http://www.nspco.com/ david.w.maier@nspco.com (612) 330-6445. George Clemmer Cycle Software, Inc. www.livedata.com

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Northern States Power Company

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  1. Northern States Power Company ICCP Real-Time Data Access for Distribution, Transmission, and Generation David Maier NSP Northern States Power Company http://www.nspco.com/ david.w.maier@nspco.com (612) 330-6445 George Clemmer Cycle Software, Inc. www.livedata.com gclemmer@livedata.com (617) 576-6506

  2. Northern States Power • Generation, transmission and distribution • 1.4 million customers • Minnesota, Twin Cities, Wisconsin, North Dakota, South Dakota, and Michigan

  3. ICCP Background at NSP • Early 1990’s NSP & EPRI research project • Before NERC mandated ICCP • Connected EMS to corporate mainframe • ICCP provided flexibility & performance • Analyses showed long term benefits • NSP planned to increase use • Next NSP installed ICCP from 2 vendors • Field tested for 3 years • Judged ready for production 1996

  4. Distribution • Bring detailed data back to Siemens Distribution Management System (DMS) • Off-the-shelf DMS ICCP option • 5 LiveData ICCP Servers on Windows NT provide link to CellNet radio WAN • Each server certified to support 500 Cap banks and switch controls • 10-30+ discrete status and measurement values per control - Total 75,000 points

  5. ICCP Benefits • Off-the-shelf non-proprietary protocol • Fast and easy to implement • Flexible and applicable to requirements • Windows NT makes it easy to manage • Software updates provide technology advances to meet emerging needs

  6. Substations • Distribution & Transmission substations • Substation automation with Modbus Plus LAN, 984 PLCs, Bitronics Meters • LiveData ICCP Server runs in Modicon Quantum controller Ethernet module • Off-the-shelf ICCP options in DMS & EMS • Standard for all new substation projects

  7. Generation • Highbridge, Blackdog, & Riverside Plants • Westinghouse WDPF DCS control systems • Westinghouse integrated and delivered LiveData ICCP Server • Off-the-shelf ICCP link to EMS

  8. Generation • Inver Hills peaking generation station • 6 combustion turbines rated 72 MW winter, 55 MW summer • GE Fanuc controllers & Wonderware operator interface • LiveData ICCP Server integrated by control vendor • Off-the-shelf ICCP link to EMS

  9. ICCP at NSP Today Control Center Siemens Energy Management System Generation Plants Routed WAN ICCP ICCP LiveData ICCP Server Transmission Substations LiveData ICCP Server Siemens Distribution Management System ICCP Routed WAN I C C P Distribution Substations Capcitor & Switch Controls LiveData ICCP Server LiveData ICCP Servers CellNet Radio WAN

  10. ICCP at NSP Today • ICCP is NSP’s communication interface standard for • external utilities,external marketing entities, power pool types of interfaces • internal emerging business applications. • ICCP for connectivity to other utilities and power plants, as well as to internal systems • NSP has implemented more than 20 discrete instances of ICCP

  11. ICCP Benefits • Increased flexibility and capability • Retrieve more information from substations and distribution automation • Feed data into control center via open, standard protocols • Minimize investment in legacy protocols • Less proprietary, more modular, more easily enhanced over time

  12. ICCP Benefits • Dramatic time savings • adding a new system takes 40 person-hours versus the 3-12 person-months typical of old custom solution approach • With a standardized integration environment, everyone knows ‘the rules’ • System upgrades don’t take the system down

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