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Gene Henneberg, Chair Remedial Action Scheme Reliability Subcommittee

Gene Henneberg, Chair Remedial Action Scheme Reliability Subcommittee. RASRS Report to Operating Committee October 24-25 , 2013 Anaheim, California. RASRS Scheme Reviews (9 Entities, 21 schemes). RASRS Scheme Reviews. RASRS Scheme Reviews. RASRS Scheme Reviews.

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Gene Henneberg, Chair Remedial Action Scheme Reliability Subcommittee

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  1. Gene Henneberg, ChairRemedial Action Scheme Reliability Subcommittee RASRS Report to Operating Committee October 24-25, 2013 Anaheim, California

  2. RASRS Scheme Reviews(9 Entities, 21 schemes)

  3. RASRS Scheme Reviews

  4. RASRS Scheme Reviews

  5. RASRS Scheme Reviews

  6. PRC-(012-014)-WECC-CRT-2 • The revised criterion requires owners to increase tracking and reporting periodic assessments of schemes • WSC approved drafting team’s proposal • Voting closed June 27, Approved. • WECC Board approved at September meeting • Effective date January 1, 2014

  7. WECC RAS Review Procedure • Revision to the RAS criterion also necessitates some minor revisions to the RAS review procedure • Criterion Attachment B data • Periodic assessment review processexplanation • OC review/approval March 2014(?)

  8. WECC RASRS Charter Charter scheduled for review at Oct 28-30 meeting Expect minor modifications for review and approval at March 2014 OC meeting

  9. RAS & Protection System Oversight Task Force (RPSOTF) • Task Force provides oversight of PCC/TSS MSRATF activities • Co-chairs: Don Watkins, Dave Angell • Membership drawn from: • RAS Reliability Subcommittee • Relay Work Group • Technical Studies Subcommittee • WECC and RC Staff • Technical Support, Standards, and others

  10. Modeling SPS & Relays Adhoc Task Force • The Task Force is organized under TSS (and PCC), Joe Seabrook, chair: • RAS modeling group • Relay modeling group • Contingency definition group

  11. UV Load Shedding vs RAS • NERC is writing a new UVLS standard and proposing a (first ever) definition for UVLS • Automatic UVLS Program – A coordinated automatic load shedding program consisting of distributed controls or relays that protects the Bulk-Power System (BPS) from the potential effects of severe undervoltage conditions. The following are excluded: • Centrally-controlled or centrally-armed UVLS controls or relays • UVLS controls or relays that are used to address localized undervoltage conditions that would not adversely affect the BPS

  12. UV Load Shedding vs RAS UVLS definition reasonably parallels the UFLS definition—essentially each site operates independently of other sites. Some present UVLS schemes under the first “exclusion” bullet may need to be re-classified as SPS/RAS.

  13. NERC SPS/RAS Standards NERC’s 2014-16 Standards Work Plan does not include writing new SPS/RAS standards. IEEE PSRC Working Group has begun work on a Guide (lowest “Standard” level within IEEE) covering similar material. This work should be well along by the time NERC officially begins their Standard writing effort.

  14. Next RASRS Meeting October 28-30, 2013, Salt Lake City, UT (next week!) • Review schemes from 8(?) members • RC RAS modeling and data collection • Other RASRS business

  15. Remedial Action Scheme Reliability Subcommittee October2013 Questions?

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