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Motor Diagnostic Systems

Motor Performance Measurement Without a Dyno: A Portable Dynamometer

by R. Gene Smiley, PE

There are many scenarios where a quick, accurate validation of motor performance is valuable – R&D, vendor qualification, production, integration, commissioning, troubleshooting, or post-repair. Traditional methods for generating motor performance curves involve extensive time, effort, and resources for connection of the test motor to a loading device – which requires not only an alignment procedure but also significant infrastructure and resources to install, operate, and maintain the loading system. In the subject approach, none of the loading system infrastructure or resources are necessary. The results are quickly available after just a few uncoupled motor starts, including documentation of motor losses, in full compliance with IEEE and other standards, and the procedure is self-calibrating.

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February 14, 2019, 6:00:00 AM