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Mitsubishi Electric develops EV motor drive system with built-in silicon carbide inverter

13 February 2014

Mitsubishi Electric Corporation has developed a prototype electric vehicle (EV) motor drive system with a built-in silicon-carbide inverter. The EV motor drive system, the smallest of its kind, will enable manufacturers to develop EVs offering more passenger space and greater energy efficiency.

Prototype motor. Click to enlarge.

Mitsubishi Electric plans to commercialize its new EV motor system after finalizing technologies for motor/inverter cooling, further downsizing and additional efficiency.

The cylindrical shape of the power module accommodates parallel cooling ducts for motor and inverter.

Pending patents for the technology number 94 in Japan and 29 abroad.

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