reason for demagantise

Thread Starter

hemanth

Joined Aug 17, 2009
1
hello friends i am facing problem of getting demagantised frequently of DC motor it wont run even for 15 days after getting recharged of permanent magnet so pls help me in this matter
 

BillB3857

Joined Feb 28, 2009
2,493
What is the application? If a bi-directional servo, the bias setting on the drive may be too high actually applying a high level AC to the windings. Normally it is a low level that provides "Stiffness" to the loop.
 
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