Development of High power & High efficiency Motor for EV using magnetic field analysis.

Takeshi Ikemi
EV Technology Development Division EV Powertrain Engineering Department Electric Motor Engineering Group, NISSAN MOTOR CO.,LTD


We introduce the development of the drive motor used on a newly developed electric vehicle (EV) that has been specifically designed and engineered as the world’s first mass-produced EV. Producing maximum power of 80kW, this synchronous motor was selected as the first electrified powertrain to be named to Ward’s 10 Best Engines list for 2011. In developing this motor, magnetic field analysis were conducted in the process of adopting the following in-house technologies to achieve a compact motor size, high output and high efficiency. We will explain the study of Leaf’s motor development by using magnetic field analysis.

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