Efficient Heat Pump System for PHEV/BEV

Paper #:
  • 2017-01-0188

Published:
  • 2017-03-28
DOI:
  • 10.4271/2017-01-0188
Citation:
Higuchi, Y., Kobayashi, H., Shan, Z., Kuwahara, M. et al., "Efficient Heat Pump System for PHEV/BEV," SAE Technical Paper 2017-01-0188, 2017, doi:10.4271/2017-01-0188.
Pages:
6
Abstract:
As vehicle emission regulations become increasingly rigorous, the automotive industry is accelerating the development of electrified vehicle platforms such as Battery Electric Vehicles (BEV) and Plug-in Hybrid Electric Vehicles (PHEV). Since the available waste heat from these vehicles is limited, additional heat sources such as electric heaters are needed for cabin heating operation. The use of a heat pump system is one of the solutions to improve EV driving range at cold ambient conditions. In this study, an efficient gas-injection heat pump system has been developed, which achieves high cabin heating performance at low ambient temperature and dehumidification operation without the assistance of electric heaters in ’17 model year Prius Prime.
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