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Anitha Neve Staff Engineer, Operations. Western Interconnection Results Reliability-based Control Field Trial February 15, 2011 Webinar. Criteria for Evaluation of FT. Manual Time Error Corrections Unscheduled Flow Magnitude of Accumulated NERC Inadvertent Interchange

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Anitha neve staff engineer operations

Anitha Neve Staff Engineer, Operations

Western Interconnection Results

Reliability-based Control Field Trial

February 15, 2011

Webinar


Criteria for evaluation of ft
Criteria for Evaluation of FT

  • Manual Time Error Corrections

  • Unscheduled Flow

  • Magnitude of Accumulated NERC Inadvertent Interchange

  • Magnitude of Accumulated Primary Inadvertent Interchange

  • Frequency Performance (Jamie Murphy presentation)

  • Path Flows

  • ADI transfers/schedules


Manual time error corrections mtec
Manual Time Error Corrections (MTEC)

  • Trends Noticed in 2010

    • Total MTEC

      • No increase in the number of corrections

      • Small increase in the hours of corrections (excluding 2008 as unusual year)

    • Slow and Fast MTEC

      • Increase in slow MTEC

      • Decrease in fast MTEC

    • Minutes/seconds of Time Error Achieved

      • Increase in the number of minutes/seconds corrected





Unscheduled flow
Unscheduled Flow

  • No noticeable increase in Unscheduled flow on the qualified paths


Nerc inadvertent interchange
NERC Inadvertent Interchange

  • Increase in off-peak value for few RBC participants

  • Increase in the absolute off-peak values for RBC participants in WECC


Primary inadvertent interchange
Primary Inadvertent Interchange

  • Numbers will be available once the WIT calculations are validated


Transmission issues
Transmission Issues

  • Path 3 flows affected by RBC

    • OTC exceeded several times in Jan- Feb 2011

    • Recent issue brought to PWG attention by BCHA

    • PWG yet to review this incident

  • BAs encouraged to bring such events to PWG and SDT attention





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