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Smart stator tooth design with novel control and safety functions in electric vehicle drivetrains

 
: Brockerhoff, P.; Burkhardt, Y.; Egger, K.; Rauh, H.

MESAGO PCIM GmbH, Stuttgart:
PCIM Europe 2015. CD-ROM : International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, 19 – 21 May 2015; Proceedings
Berlin: VDE Verlag, 2015
ISBN: 978-3-8007-3924-0
8 pp.
International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management <2015, Nuremberg>
English
Conference Paper
Fraunhofer IISB ()

Abstract
The paper shows a new approach for combining power electronics and electric motor in an (H)EV application. In the realized drive unit, each stator coil of the motor has its own power electronics and control module. Coil, power electronics and control module are combined in a smart stator tooth (SST). This SST-approach provides advantages in functionality, installation space, weight and interfaces. Furthermore, the SST improves system availability and safety, which is very important in vehicle applications. The paper discusses the behavior of the SST system for certain important failure cases. A finite elements simulation of motor currents and torques shows, that the system is fail-operational.

: http://publica.fraunhofer.de/documents/N-379686.html