dc motor runs too fast

Discussion in 'General Electronics Chat' started by gjo, Jun 17, 2013.

  1. gjo

    Thread Starter New Member

    May 22, 2013
    28
    0
    On my troubleshooting chart it says if your dc motor runs too fast its probably that you made improper connections. What do they mean by improper connections?
     
  2. Kermit2

    AAC Fanatic!

    Feb 5, 2010
    3,780
    934
    It usually means that there is more than one wiring config. and you have not made the correct connections for the voltage/torque operational mode you are using.

    A usual config is for 90/180 VDC motor opertion to have a jumper or multiple taps that must be wired for opertion at one voltage or another.

    putting 90 volts on a motor wired for 180 volt operation would be one example of mis-wiring that could cause your problems. Check the manual closely and be sure all of the needed connections are present.
     
  3. Ramussons

    Active Member

    May 3, 2013
    557
    92
    If you wire up a Shunt motor as a Series motor, it will race up drastically.

    Ramesh
     
  4. wmodavis

    Well-Known Member

    Oct 23, 2010
    737
    150
    Or maybe you hooked it up to too high of DC voltage.
     
  5. Shagas

    Active Member

    May 13, 2013
    802
    74
    In motors Voltage = Speed .
     
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