Browse Publications Technical Papers 2023-01-1038

Considering Electric Measurements for NVH – Voltage, Current, and Torque Ripple 2023-01-1038

Electric motors have different sources of noise than traditional powertrains. The motors and power electronics greatly influence the noise generated by the powertrain. The motors have interactions between the magnets and the stator, creating torque ripple. The electronics have solid-state switches, which create noise but also influence the forces experienced by the stator, which can result in noise and vibration. This session will discuss the value of measuring these electrical signals to understand the contributing factors to noise and vibration from the electronics.


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