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Automatic HF model generation and impedance optimization for low voltage DC motors

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3 Author(s)
Benecke, J. ; AE/EMC2, Robert Bosch GmbH, Buhlertal ; Linde, A. ; Dickmann, S.

This paper presents a high frequency (HF) generic electrical model for low voltage DC motors. A software model generator creates an electrical circuit which reproduces the high frequency impedance Z of any common DC motor within a frequency range from 150 kHz to 1 GHz. Z is calculated only from construction and material parameters, like e.g. armature geometry and winding wire radius. With this model, it is possible to perform sensitivity analyses of motor construction parameters and optimize its design by finding parameters which best match a desired impedance curve. This can help finding a motor design with lower conducted electromagnetic interference (EMI).

Published in:

Electrical Machines, 2008. ICEM 2008. 18th International Conference on

Date of Conference:

6-9 Sept. 2008