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Energized Downed Conductor - High-Impedance Fault

110

Years in Electric Utility Service

5K

Employees

4MM

Customers

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Business Need

  • Directed by PUC (Public Utilities Commission) to develop technologies to reduce the probability of public fatalities
  • Cost of incident
  • Public reputation

Challenge

  • New technology using AMI data
  • Competing for resources allocated to other methods
  • Limited number of verified EDC cases
  • Pilot required upload of new configuration to all meters
  • Extensive data set to analyze
  • Analytics needed to address multiple classes of EDCs, including load site, source side, and compound incidents
  • Pilot integration with the Utility’s systems needed to include an electrical connectivity model
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Business Strategy Image

Solution and
Results

  • Tools developed to analyze data
  • New meter configuration uploaded to all meters to enable meters to provide real-time data
  • Identified new analytics to include pattern analytics; increased confidence
  • Methods developed to reduce false positives
  • Regression showed the analytics identified a high percentage of EDCs, their precise locations, and an accurate confidence level