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NERC System Protection and Control Task Force

NERC System Protection and Control Task Force. Status Report May 15, 2006. Outline. Recently completed activities Current ongoing SPCTF Work Current ongoing related work Outstanding Industry Requests Upcoming Work. Recent Completed Work. Report on pros and cons of use of Zone 3 relays

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NERC System Protection and Control Task Force

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  1. NERCSystem Protection and Control Task Force Status Report May 15, 2006

  2. Outline • Recently completed activities • Current ongoing SPCTF Work • Current ongoing related work • Outstanding Industry Requests • Upcoming Work

  3. Recent Completed Work • Report on pros and cons of use of Zone 3 relays • Recommendations on use of load-encroachment characteristics • Review of Regional Reports of Zone-3 Review and Mitigation Plans • Development of Relay Loadability SAR • Request to IEEE PSRC to develop standards on underfrequency performance of distance relays (TR-18)

  4. Terminals Reviewed Nonconforming terminals Percentage of Nonconforming Terminals Technical Exceptions Terminals Requiring Mitigation 10,914 2,182 20.0% 297 1885 Summary of Zone 3 Review 200 kV and above

  5. Setting Changes Disable Function Equipment Replacement Other 1,520 (2-5 K$ each) 65 (2-5 K$ each) 287 (50-300 K $ each) 13 Breakdown of 1,885 Terminals Requiring Mitigation

  6. Summary of 2005 results • Of the 1885 terminals • 80 projects scheduled for 2005 were not completed on schedule • 130 temporary exceptions. All to be completed before Dec. 2007 • Most additional temporary exceptions are one of a kind issues • 33 setting changes delayed due to hurricane (to be complete early 2006)

  7. Current Ongoing SPCTF Work • Development of white paper providing guidance of use of SOTF (TR-17) • Expansion of Load Encroachment White Paper to address variety of load mitigation techniques • Develop report on three-terminal lines (TR-19) • Develop SAR on Redundancy of Transmission Protection Systems

  8. Related Ongoing Work • Development of Relay Loadability Standard • NERC Wind-Generation Task Force • Coordination with IEEE PSRC

  9. Upcoming Work • Review of all Regional submittals related to Beyond-Zone-3 • Review and report on advantages and disadvantages of EHV auto-reclosing methods including High Speed Reclosing (TR-20) • Evaluate and Implement Coordination Requirements for Generator Backup Protection Responses in Cohesive Generation Groups (TR-22) • Review of all PRC-series Reliability Standards for necessary changes • Development of SARS for missing PRC-series standards

  10. Outstanding Industry Requests • UVLS Survey due to NERC by 6/2/06 • Beyond-Zone-3 for 200 kV and above due to Regions on 6/20/06 and NERC by 8/31/06 • Beyond-Zone-3 for SOTF and 100 – 200 kV operationally-significant circuits due to Regions on 12/31/06 and NERC by 3/31/07

  11. Charles Rogers Mark Carpenter John Mulhausen Joseph Burdis Bill Miller Philip Tatro Phil Winston Fred Ipock Baj Agrawal Jon Daume Jon Sykes Deven Bhan Dave Angell John Ciufo Bill Kennedy Jim Ingleson Evan Sage J D Roberts Bob Stuart Tom Wiedman Hank Miller Bob Cummings Mike McDonald SPCTF Membership

  12. Questions? • Published documents are on NERC web site • http://www.nerc.com/~filez/spctf.html or • www.nerc.com • Committees – Planning Committee – SPCTF – Related Files • Charles Rogers (Consumers Energy) – Chairman, SPCTF • Bob Cummings (NERC) – Director of Event Analysis and Information Exchange • Your “Regional Representative” or any other SPCTF Member

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