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Permanent Magnet Dc Motors


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setting up maintenance program and need to decide if it makes sense to do annual meggering of a piece of clean room equipment. This piece of equipment contains some permanent magnet D.C. motors and we are not sure on the correct way you would megger the rotor of this type of motor. Any answers would be appreciated. Thanks RPDodd
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  • 4 weeks later...



you have to test the connections without electronic drive, obviously.

In a clean room, without problems of moisture, a possible failure is due to carbon powder coming from brushes, that could create a conductive path to the earthed parts.




Mario Maggi - Italy - http://www.evlist.it - https://www.axu.it

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