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Joe Seabrook Puget Sound Energy, Inc.

MSRATF (for MVWG) (Modeling SPS and RAS Ad Hoc Task Force) Update and Two Approval Items November, 2013. Joe Seabrook Puget Sound Energy, Inc. MSRATF Engagement. MSRATF formed in August last year by TSS, assignment from PCC Chair – Responsive to Sep 8, 2011 event

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Joe Seabrook Puget Sound Energy, Inc.

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  1. MSRATF (for MVWG)(Modeling SPS and RAS Ad Hoc Task Force)Update and Two Approval ItemsNovember, 2013 Joe Seabrook Puget Sound Energy, Inc.

  2. MSRATF Engagement • MSRATF formed in August last year by TSS, assignment from PCC Chair – Responsive to Sep 8, 2011 event (Perform contingency events in WECC cases across the system with a few mouse clicks) • Details in Needs Statement, Scope Statement approved by PCC • Includes vendor participation by GE, Siemens/PTI, PowerWorld, V&R, and PowerTech • WECC groups helping include TSS, RPSOTF, MVWG, SRWG, RASRS, Relay WG • WECC web site for documents: WECC > Committees > Standing Committees > PCC > TSS > Documents > MSRATF Documents http://www.wecc.biz/committees/StandingCommittees/PCC/TSS/Shared%20Documents/Forms/AllItems.aspx

  3. MSRATF Meetings • Since August 2012, multiple face-to-face meetings and many WebEx sessions • Formed three subgroups with vendor representation in each group • RAS • Contingency Definitions (& Breaker Node Topology) • Relays (& Modeling Sequence Component Networks) • Additional tasks • Breaker Node Topology • Modeling Sequence Component Networks

  4. RAS Subgroup James O’Brien (BPA) • Developed (an evolving) Generic RAS specification • WECC contracted PowerWorld • PowerWorld • Developed format for RAS that meets the Generic RAS specification • Wrote conversion and made improvements in its program • Issued document to WECC

  5. RAS Subgroup PowerWorld document sent to MSRATF Other programs being asked to build conversion tool and make necessary improvements in their programs 5

  6. RAS Subgroup Colstrip owners are developing an Acceleration Trend Relay (ATR) RAS specification – Eric Bahr PAC (and IPC) is developing a Bridger RAS specification – Jason Wilson 6

  7. RAS Subgroup • To demonstrate responsiveness to 9/2011 Outage Report recommendations TSS was asked to post and share Conditional RAS model files we currently use: • Under 2013 Base Cases, folder at bottom of web page: Contingency and Remedial Action Scheme Files (Various Formats)

  8. Contingency Definitions Subgroup Jonathan Young (CG) • Developed a Contingency Definitions generic specification • Contingency file will be a common format, read & write by all programs • Editing, sorting, selecting will be done within the programs

  9. Contingency Definitions Subgroup WECC contracted PowerWorld PowerWorld Developed format for Contingency Definitions that meets the Contingency Definitions specification Wrote conversion and made improvements in its program Issued document to WECC PowerWorld document sent to MSRATF Other programs being asked to build conversion tool and make necessary improvements in their programs 9

  10. Contingency Definitions Subgroup • Developing specification to import / export in Contingency Definitions in BCCS • Beginning to develop Breaker-Node Topology for WECC planning cases • Writing a white paper of anticipated issues and benefits • Explore changes to contingency definitions and relay models (bus / branch)

  11. END

  12. Relays Subgroup Amos Ang (SCE) • 3Φ Over-Current, directional Relays • directional • TSS Motion: Approve generic specification for 3Φ, directional relay element

  13. Relays Subgroup Generic 3Φ Distance relay directional and load encroachment TSS Motion: Approve generic specification for 3Φ, Distance Relay 13

  14. Relays Subgroup After that – 3Φdifferential & generator relays Then – Model unbalanced sequence networks in WECC planning cases And – 1Φ Directional Over-Current and Distance relays 14

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