Electric Vehicle Interaction at the Electrical Circuit Level

This project evaluated the impacts of electric vehicles (EVs) on the electricity distribution grid. After conducting a literature review on the current state of EV charger technology and on over-voltage mitigation, a transient time domain model of a sub-circuit service area has been developed. This model integrates EV charging and PV load generation into the utility grid and utilizes EV charging as a means of mitigating transient over-voltages (TOVs) in various scenarios. A novel methodology for early detection of TOVs demonstrates that the technical topology of the charging station combined with the connected load of the EV can be used to prevent and eliminate over-voltage peaks. This effect can then be used to improve the response time and reliability of inverter-based islanding detection and, thus, increase grid reliability. The proposed over-voltage detection and prevention methodology is currently being verified for practicability with measured residential data sets. The project results are presented in three published reports. Continuing work involves collecting residential data to understand load variability and disaggregation of load.

• Record URL:
  http://evtc.fsec.ucf.edu/research/project12.html

Language

• English

Project

• Status: Active
• Funding: $253045.00
• Contract Numbers:

  DTRT13-G-UTC51

• Sponsor Organizations:

  Research and Innovative Technology Administration

  University Transportation Centers Program
  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Project Managers:

  Block, David

• Performing Organizations:

  University of Hawaii, Manoa

  College of Engineering, Department of Civil and Environmental Engineering
  2540 Dole Street, Holmes Hall 383
  Honolulu, HI  United States  96822
• Principal Investigators:

  Ghorbani, Reza

• Start Date: 20131001
• Expected Completion Date: 0
• Actual Completion Date: 20180930
• Source Data: RiP Project 36186

Subject/Index Terms

• TRT Terms: Electric batteries; Electric vehicle charging; Electric vehicles; Grids (Transmission lines); Life expectancy; Literature reviews; Voltage
• Geographic Terms: Hawaii
• Subject Areas: Energy; Highways; Vehicles and Equipment; I15: Environment;

Filing Info

• Accession Number: 01562879
• Record Type: Research project
• Source Agency: Electric Vehicle Transportation Center
• Contract Numbers: DTRT13-G-UTC51
• Files: UTC, RIP
• Created Date: May 13 2015 1:00AM