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Evaluation of Freon modules for power electronics designed for a locomotive traction drive

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2 Author(s)
Desai, P.H. ; Gen. Motors, La Grange, IL, USA ; Wiegner, G.

A technological trend of using freon-cooled power electronics for traction application has developed. The unique advantages offered by the Freon immersion technique, especially for diesel-electric locomotives applications, are described. Experimental data pertaining to recently developed Freon modules used for cooling high-power semiconductors are presented. A procedure based on a well-known caloric method is used to determine the component losses for the high-performance power converter and inverter designs with calculated efficiency values higher than 98%

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Industry Applications, IEEE Transactions on  (Volume:26 ,  Issue: 3 )