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High-Speed BLDC Motor Heating and Excess Current Draw (No Load)

hashiR
Associate III

Hello,

I am experiencing an issue with my high-speed BLDC motor (47,000 RPM, 24V, 180W). Even when running the motor with no load, it is heating up more than expected, and it is drawing more current than the no-load current specified in the motor's datasheet.

I am using the IHM08M1 motor driver along with the Nucleo F401RE to drive the motor. Could anyone help me understand why the motor is behaving this way? What could be causing the excess current draw and overheating, even when no load is applied?

I would appreciate any guidance or suggestions on how to resolve this issue.

Thank you!

hashiR_0-1737009524116.png

 

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