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Quick Solenoid Question

Discussion in 'Electronic Design' started by [email protected], May 29, 2007.

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  1. Guest

    I'm trying to decide what solenoids I need for a project I'm working
    on and I have one quick question...

    will a 24V solenoid running on 24V strike with the same force as a 12V
    solenoid running on 12V? (is it a voltage ratio thing, or just a total
    voltage level thing).

    thanks,
    Tom
     
  2. Tim Wescott

    Tim Wescott Guest

    All else being equal, no. Once you have the magnetic circuit designed and
    you've given a certain space claim to the copper, winding the magnet for
    28V will take two times the length of wire that's 1/2 the area, it'll have
    4 times the resistance, half the current, the same power and the same
    force. The only place where this won't hold is if the solenoid
    manufacturer can't get just the right gauge of wire, the wire is so small
    there's more enamel than copper in the wind, or the wire is so big there's
    more air than copper in the wind.

    --
    Tim Wescott
    Control systems and communications consulting
    http://www.wescottdesign.com

    Need to learn how to apply control theory in your embedded system?
    "Applied Control Theory for Embedded Systems" by Tim Wescott
    Elsevier/Newnes, http://www.wescottdesign.com/actfes/actfes.html
     
  3. Gary Tait

    Gary Tait Guest

    wrote in @k79g2000hse.googlegroups.com:
    Its a power thing. You will need the same amount of power to pull or push
    the same load. You just need more current at 12V, which means heavier wires
    and drivers.
     
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