reason for demagantise

Discussion in 'General Electronics Chat' started by hemanth, Aug 19, 2009.

  1. hemanth

    Thread Starter New Member

    Aug 17, 2009
    1
    0
    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
     
  2. BillB3857

    Senior Member

    Feb 28, 2009
    2,400
    348
    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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