Infineon developed without the use of rare earth magnets motor inverter-integrated EV

Participation in research projects of high efficiency motors , Infineon , Siemens , ZF and Dresden University of Technology and other "MotorBrain", announced in the " Hannover Messe (HANNOVER MESSE)" on on April 8, 2014 , developed inverter-integrated electric vehicle (EV) motor .

MotorBrain dominant at Infineon , there are 30 companies and organizations in Europe nine countries participated , from the autumn of 2011 in order to improve EV travel distance and security, reduce dependence of rare earth research carried out for the purpose .

The development of the motor to the motor , gear and rolled into the inverter to achieve miniaturization, and does not use rare earths. The inverter motor against the side of the cylindrical formed integrally with the integrated motor . Size develop products only in 2011 that the project was originally developed products of 3/ 4 , can be placed in an ordinary tablet PCs and notebook backpack . The overall weight of less than 77kg, 90kg reduced than the original 13kg or more.

Due to reduced size and weight , EV can achieve miniaturization and efficiency , with a power output of 60kW for the motor in the car , charging time can travel a distance comparable to the current estimate of the average EV 150km extension of 30 ~ 40km.

Without using an expensive rare earth materials, is one of its characteristics. Development of products using the cheap but less than the magnetic properties of rare earth ferrite magnets, allegedly to compensate for the weakness is not strong magnetic motor rotor speed is increased by increasing the output power.


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