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EMI Coupling from Automotive Traction Systems

: Weber, S.-P.; Hoene, E.; Guttowski, S.; John, W.; Reichl, H.


IEEE Electromagnetic Compatibility Society; International Union of Radio Science -URSI-, Commission Electronics and Photonics:
IEEE International Symposium on Electromagnetic Compatibility, EMC 2003. Symposium record. Vol.1 : 11 - 16 May 2003, Istanbul, Turkey
Piscataway, NJ: IEEE Service Center, 2003
ISBN: 0-7803-7779-6
International Symposium on Electromagnetic Compatibility (EMC) <2003, Istanbul>
Conference Paper
Fraunhofer IZM ()

Electric drive systems for vehicles are integrated into today's passenger cars by almost every car manufacturer. From the EMC point of view, the integration of electric drive systems into cars represents a substantial challenge. The conventional EMC procedures and techniques are not appropriate for the new components. In this paper, an electric drive system is investigated which is source of electromagnetic interference within a passenger car. A model for simulating coupling paths in the frequency domain, for standard cables as well as for shielded cables is developed and confirmed by measurements. The obtained results have been used to determine the acceptable noise level emitted by the power converter on the highvoltage cables of a drive system.