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http://dx.doi.org/10.6113/TKPE.2016.21.5.381

Recent Progress Trend in Motor and Inverter for Hybrid Vehicle  

Kim, Sung-Jin (Dept. of Control & Motor Drive Lab., Postech)
Hong, Sueng-Min (Dept. of Control & Motor Drive Lab., Postech)
Nam, Kwang-Hee (Dept. of Control & Motor Drive Lab., Postech)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.21, no.5, 2016 , pp. 381-387 More about this Journal
Abstract
Many efforts have focused on the improvement of power density and efficiency by downsizing the motor and inverter. Recently, Toyota, Honda, and GM realized that the compact-sized motor uses the hairpin structure with increased space factor. Reducing the maximum torque from high-speed technique also makes it possible to design the high-power density model. Toyota and Honda used the newly developed power semiconductor IGBT to decrease conduction loss for high-efficiency inverter. In particular, Toyota used the boost converter to increase the DC link voltage for high efficiency in low-torque high-speed region. Toyota and GM also used the double-sided cooling structure for miniaturization of inverter for high-power density.
Keywords
Power density; Hair-pin structure; Conduction loss; DC-link voltage; Double sided cooling;
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