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Thread: Capacitor concerns

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  1. 11-15-2009, 10:12 PM #1
    MSGMachine
    MSGMachine is offline Registered
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    Capacitor concerns

    I am retrofitting my knee mill with an Ajax controller. Ajax has a nice cap and bridge unit that is 12,000mf that they claim I can wire up to my transformer. But my calculations (using the ol' C=(80,000*I)/V formula)) my 85v power supply needs a 19000mf capacitor. So my question is if I use the Ajax Cap like they want me to how will this effect my system?

    Thanks in advance.
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  2. 11-17-2009, 12:32 AM #2
    Larken
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    12000 should be ok, but depends on how much current your pulling.
    or You can just add an other in parallel.
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  3. 11-17-2009, 01:56 AM #3
    pfred2
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    Yes caps in parallel lower your ESR too don't they? To a point more can't hurt.
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  4. 11-17-2009, 02:54 AM #4
    MSGMachine
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    ESR?
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  5. 11-17-2009, 05:01 AM #5
    pfred2
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    Glossary Definition for ESR:
    http://www.maxim-ic.com/glossary/def...rm/esr/gpk/114
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