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Optimizing EV Powertrain Test Instrumentation and Improving Measurement Results

Presented by:

  • Tom Doerr, Director, Business Development and Marketing, CSM Products Inc.

  • Paul VanOphem, President, CSM Products Inc.

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Oct 19, 2021, 9:30 am EDT

This presentation will demonstrate how test instrumentation of electric vehicle powertrains has been simplified while improving accuracy with innovative new measurement technology from CSM. The challenges associated with instrumenting test benches and electric vehicles are numerous, and are primarily associated with safely measuring current and voltage at many points throughout the high-voltage powertrain—such as between the battery and the inverter, and also between the inverter and the 3-phase motor(s).

CSM's innovative High Voltage Breakout Module 3.3 can resolve many technical issues, such as maintaining well-synchronized data from different measurement sensors, limiting inductive interferences among those sensors, eliminating noise in the data, and managing complex instrumentation cabling. The HV BM 3.3 also performs the task of a gateway, enabling the measurement system to include other high-speed EtherCAT or CAN-based measurement data, which is converted to XCP-on-Ethernet for real-time analysis via Vector's eMobility Analyzer function library. The compact HV BM 3.3 eliminates the need to install large power analyzers in vehicles.


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