Range and Fuel Use Impact of a Thermal Load Reduction System in a Hyundai Sonata PHEV

Paper #:
  • 2018-01-1186

Published:
  • 2018-04-03
Abstract:
Increased adoption of electric drive vehicles requires overcoming hurdles including limited vehicle range. Vehicle cabin heating and cooling demand for occupant climate control requires energy from the main battery and has been show to significantly degrade vehicle range. During peak cooling and heating conditions, climate control can require as much or more energy as propulsion. As part of an ongoing project, NREL and project partners Hyundai America, Gentherm , Pittsburgh Glass Works, PPG Industries, Sekisui, and Hanon Systems developed a thermal load reduction system in order to reduce the range penalty associated with electric vehicle climate control. Solar reflective paint, solar control glass, heated and cooled/ventilated seats, heated surfaces, and heated windshield with door demisters were integrated into a Hyundai Sonata plug-in hybrid electric vehicle. Cold weather field-testing was conducted in Fairbanks, AK while warm weather testing was conducted in Death Valley, CA to assess the system performance in comparison to the baseline production vehicle. In addition, environmental chamber testing at peak heating and cooling conditions was performed to assess the performance of the system in standardized conditions compared to the baseline. The experimental results will be presented, providing key quantitative information for climate control technology adoption for increased market penetration of electric drive vehicles.
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