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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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