Volabo shrinks 48V intelligent-stator drive motor : Page 2 of 2

January 20, 2020 //By Christoph Hammerschmidt
Volabo shrinks 48V intelligent-stator drive motor
With the fourth generation of its innovative electric drive, Munich-based start-up Volabo GmbH has been able to reduce the size and weight of the integrated power electronics by more than 50 %.

Volabo's 48V concept for the electric drive differs from conventional electric drives, the start-up company claims. ISCAD is an electrically safe and cost-effective drive without rare earth magnets. Instead of copper windings in the stator, the fixed part of the electric motor, Volabo uses aluminium rods that can be individually controlled. This allows the drive to adapt dynamically to the load profile, which makes it very efficient, especially in the partial load range.

The complete integration of the control electronics into the power electronics has further increased the degree of integration in particular. The drive is now being tested on the test bench and in a vehicle in which the original drive has been replaced by the ISCAD prototype. With a length of only 33 centimeters, the entire motor including the associated electronics, i.e. the converter with control unit, is housed very compactly, as Volabo managing director Florian Bachheibl explains: "This way we achieve a high power density and the drive unit can be easily installed on the axle, as we have shown with the example of the demo vehicle. The new generation also consists of fewer components, which makes the power electronics both more cost-effective and more robust. With this fourth generation, Volabo is taking an important step towards the product".

More information: www.volabo.com

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Compact drive unit for 48V vehicles


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