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Variable Speed Compressor, HFC-134a Based Air Conditioning System for Electric Vehicles
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English
Abstract
The vast majority of cars and small trucks are sold with factory installed air conditioning (approximately 80% in 1989). For electric vehicles to succeed in the marketplace, air conditioning will need to be offered as optional equipment, along with adequate heating and defrosting systems. While providing the level of cooling performance expected by vehicle operators, it is important that the power consumption of the air conditioning systems used in electric vehicles be minimized, to minimize penalties to vehicle range and performance. Due to the ongoing CFC-12 phase-out, air conditioning systems intended for EV applications beyond the early 1990's must use an environmentally acceptable alternative refrigerant.
This paper summarizes the design of a variable speed Scroll compressor based prototype air conditioning system for an electrically powered mini-van. The system refrigerant is HFC-134a and high performance heat transfer components are utilized. The selected lubricant and special construction materials are discussed.
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Citation
Dieckmann, J. and Mallory, D., "Variable Speed Compressor, HFC-134a Based Air Conditioning System for Electric Vehicles," SAE Technical Paper 920444, 1992, https://doi.org/10.4271/920444.Also In
References
- Dieckmann, J.T. Mallory, D. Climate Control for Electric Vehicles SAE Technical Paper Series # 910250 February 1991
- Dieckmann, J.T. Mallory, D. Study of Long Term Options for Electric Vehicle Air Conditioning INEL Informal Report EGG-EP-9831 Arthur D. Little, Inc. July 1991
- Dieckmann, J.T. Teagan, W.P. Air Conditioning Systems for Electric Vehicles Phase I/II Final Report Arthur D. Little, Inc. May 1990
- Electric Vehicle Test Procedure SAE Recommended Practice, J227a
- Bessler, W. Forbes, F. Electrically Driven Automotive Air Conditioner SAE Technical Paper Series # 870035 February 1987
- Goodremote, C.E. et. al. Compact Air Cooled Air Conditioning Condenser SAE Technical Paper Series # 880445 March 1988
- Ikeda, S. Yoshii, Y. Tamura, Y. Air Conditioning Electric Vehicles with an Electronically Driven Variable Speed Scroll Type Compressor SAE Technical Paper Series # 901738 September 1990
- Akabane, H. et al. Evaluation of an Electrically Driven Automotive Air Conditioning System Using a Scroll Hermetic Compressor with a Brushless DC Motor SAE Technical Paper Series # 890308 February 1989