chopping frequency disturbances

10 years 8 months ago #29527251 by softelectro

I have a DC motor controller (MDC 2250).

When the engine runs, I have a disturbances back to power supply corresponding to the chopping frequency.

I twisted the motor cables, the power supply cable, I put a ferrite ring around the motor cables. But no improvement.

How can I eliminate these disturbances?

Thank you in advance

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