Analysis of Off-Board Powered Thermal Preconditioning in Electric Drive Vehicles: Preprint

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Following a hot or cold thermal soak, vehicle climate control systems (air conditioning or heat) are required to quickly attain a cabin temperature comfortable to the vehicle occupants. In a plug-in hybrid electric or electric vehicle (PEV) equipped with electric climate control systems, the traction battery is the sole on-board power source. Depleting the battery for immediate climate control results in reduced charge-depleting (CD) range and additional battery wear. PEV cabin and battery thermal preconditioning using off-board power supplied by the grid or a building can mitigate the impacts of climate control. This analysis shows that climate control loads can ... continued below

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10 p.

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Barnitt, R. A.; Brooker, A. D.; Ramroth, L.; Rugh , J. & Smith, K. A. December 1, 2010.

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Following a hot or cold thermal soak, vehicle climate control systems (air conditioning or heat) are required to quickly attain a cabin temperature comfortable to the vehicle occupants. In a plug-in hybrid electric or electric vehicle (PEV) equipped with electric climate control systems, the traction battery is the sole on-board power source. Depleting the battery for immediate climate control results in reduced charge-depleting (CD) range and additional battery wear. PEV cabin and battery thermal preconditioning using off-board power supplied by the grid or a building can mitigate the impacts of climate control. This analysis shows that climate control loads can reduce CD range up to 35%. However, cabin thermal preconditioning can increase CD range up to 19% when compared to no thermal preconditioning. In addition, this analysis shows that while battery capacity loss over time is driven by ambient temperature rather than climate control loads, concurrent battery thermal preconditioning can reduce capacity loss up to 7% by reducing pack temperature in a high ambient temperature scenario.

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10 p.

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  • Presented at the 25th World Battery, Hybrid and Fuel Cell Electric Vehicle Symposium and Exposition, 5-9 November 2010, Shenzhen, China

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  • Report No.: NREL/CP-5400-49252
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 1001443
  • Archival Resource Key: ark:/67531/metadc846734

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 1, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • April 4, 2017, 12:53 p.m.

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Barnitt, R. A.; Brooker, A. D.; Ramroth, L.; Rugh , J. & Smith, K. A. Analysis of Off-Board Powered Thermal Preconditioning in Electric Drive Vehicles: Preprint, article, December 1, 2010; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc846734/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.