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  • We all know that universal motors run on both AC and DC power sources.

    now if a universal motor requires 12 V DC to work, then what would be the corresponding AC voltage input for the same machine. ?

    is there any empirical relationship between the sources ?
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  • Ramani Aswath

    Member • Oct 7, 2013

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  • zaveri

    Member • Oct 7, 2013

    The link no longer works . any replies anybody else.
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  • Saandeep Sreerambatla

    Member • Oct 8, 2013

    Search in google with ee lamar universal motor, you will be directed to a PDF where in you can check few details.

    As far as I know there is no empirical formula defined for DC and AC.
    But what works in DC , I think we need to have more voltage in case of ac to compensate the series impedance of the universal motor.

    PS. The above link doesnt work, but when i search with above combination,I get the same pdf as the results!!

    PPS. Updated the link.
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  • Ramani Aswath

    Member • Oct 9, 2013

    zaveri
    The link no longer works . any replies anybody else.
    Works well for me. The info is now available here:
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