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Open AccessArticle

Newly Developed Motor Cooling Method Using Refrigerant

Mitsubishi Motors Corporation, Tokyo 108-8410, Japan
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2019, 10(2), 38;
Received: 9 April 2019 / Revised: 13 May 2019 / Accepted: 1 June 2019 / Published: 4 June 2019
One of the greatest issues for electric vehicles such as an electric vehicle (EV), a hybrid vehicle (HV), a plug-in hybrid electric vehicle (PHEV) and a fuel cell vehicle (FCV) is further improvement of effective motor cooling, since higher rated torque is achieved with higher cooling performance. In this paper, we introduce and propose a newly developed motor cooling method we tested using refrigerant, comparing with conventional water cooling. Test results show higher cooling performance of refrigerant cooling, which achieved the rated torque 60% higher than that of water cooling. View Full-Text
Keywords: refrigerant; motor cooling; electric vehicle refrigerant; motor cooling; electric vehicle
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Fujita, H.; Itoh, A.; Urano, T. Newly Developed Motor Cooling Method Using Refrigerant. World Electr. Veh. J. 2019, 10, 38.

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