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Server Psu + battery

Discussion in 'Electronic and hardware generally' started by Simon_lebel, Aug 18, 2015.

  1. Simon_lebel

    Simon_lebel Member

    Joined:
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    Levis, Quebec
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    My Motion Simulator:
    2DOF, DC motor, JRK, 4DOF
    It may have been already covered but, I have two psu out of a server that shut down under stress. All i have to do is unplug and plug them back. Would it be a good choice to put a battery in parallel with the supply output? No need for a basic dc lesson, i'm a electrodynamics technician but still i don't know the answer... A charger is not only a supply, i think the voltage has to be a little bit higher than the battery, right? If you guys think it would work, how big does it have to be? I have some ups 12v battery maybe i could use them...

    Thanks hope somebody can help me
    Simon_lebel, Aug 18, 2015
    #1
  2. Ville Pesonen

    Ville Pesonen Active Member

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    My Motion Simulator:
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    I had the same problem as you have. I resolved it by adding 27000uF capacitor parallel to the psu. I think that a battery would work also but I have no idea of the size needed. Maybe a motorcycle/car battery would work.
    • Agree Agree x 1
    • Useful Useful x 1
    Ville Pesonen, Aug 18, 2015
    #2
  3. bsft

    bsft

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    yes, just unplug the PSU from the battery after use
    • Agree Agree x 1
    bsft, Aug 19, 2015
    #3
  4. matthewdtwo

    matthewdtwo New Member

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    Some large electrolytic capacitors would do the trick as well. The kind most often used in car audio would be a good choice, but any decently sized (>10,000uF) would help out a bit. If you do want to go the battery route, I'd recommend a blocking diode in series between the PSU and battery to keep it from feeding back in when the PSU is turned off. There is likely some internal protection, but diodes are cheaper than PSUs so I wouldn't risk it.
    • Informative Informative x 1
    matthewdtwo, Oct 10, 2015
    #4