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Record breaking electric race car relies on Lenze inverters

Record breaking electric race car relies on Lenze inverters

Grimsel is a record breaking electric racing car powered with MOBILE inverters from the Lenze Schmidhauser operation in Switzerland. This manufacturer of drive solutions for mobile use is a sponsor and supplier to the Formula Student motor sport competition for young engineers.

The Grimsel was developed in Zurich as a compact high performance racing car. It is remarkable for its world record breaking acceleration. The previous record of 0-100 km/h in 2.134 seconds was easily beaten at the end of 2014 with a time of only 1.785 seconds. This represents reaching a speed of 62 mph in a distance of only 30 metres.
The Grimsel electric racing car is the fifth electric vehicle developed and constructed by 30 students from ETH University in Zürich and the Luzern High School within one year.

"For Lenze Schmidhauser it is the second vehicle to use the MOBILE series inverter," comments Jonas Schuster, head of sales and marketing at Lenze Schmidhauser. "These inverters have been especially designed to power electric auxiliaries in commercial vehicles, but their compact construction also makes them suitable for use in the Formula Student racing car. We are of course delighted by the wins achieved by the young engineers."

The MOBILE inverters used on the Grimsel drive four wheel hub synchronous motors, each producing 37kW at a weight of 3.4kg. A planetary gearbox which is integrated into the upright transmits the accumulated torque of 1630Nm to the wheels. Using traction control and torque vectoring, the torque is individually controlled, increasing the agility of the vehicle.

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