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Study on Residential Electric Vehicle Charging. SWEDE Conference 2012 Ron Shipman. Introduction. Impact of EV chargers on our system? Problems? Severity? Required Actions?. Selection of Study Sites. Study Parameters. Modeled Distribution System Coincident Peak AMS Data

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study on residential electric vehicle charging

Study on Residential Electric Vehicle Charging

SWEDE Conference 2012

Ron Shipman

introduction
Introduction
  • Impact of EV chargers on our system?
  • Problems?
  • Severity?
  • Required Actions?
study parameters
Study Parameters
  • Modeled Distribution System
  • Coincident Peak AMS Data
  • Simulated Chargers
    • Level 2 Charging
    • Penetration Levels
    • Multiple Scenarios
cyme subdivision modeling cont d
CYME Subdivision Modeling (cont’d)
  • Maximum local transformer impedance
  • Minimum service size
  • Modeled Triplex
results
Results
  • Fuse Loading
  • Primary Cable Loading
  • Transformer Loading
  • Secondary Cable Loading
  • Service Cable Loading
  • Voltage Drop
  • Localized Issues
locations ev and evgo requested
Locations EV and EVGO Requested
  • 2011 – 157 Locations
  • 2012 - 25 Locations to Date
  • Addressed (2) Transformers
  • Addressed (1) Secondary Cable
  • Installed 19 EVGO Locations
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