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    BSelff's Avatar
    BSelff Posts: 11, Reputation: 1
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    #1

    May 5, 2007, 04:59 PM
    Phase Converters
    Currently I am using a static phase converter on my LeBlonde lathe, and have just purchase a 3ph radial arm saw. I am curios about rotary converters. I have seen ads on the internet and read articles pertaining to them be are hesitant. Please correct me if I am in error; I understand you have to start a motor(in my case 5hp) and pick up the 3rd leg in which I can feed a sub panel (my case 3 30amp breakers) to run my equipment (one at a time). Is this to cumbersome and costly to have this motor running all the time while I am running the lathe or saw?

    Thanks,
    Bob
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    May 6, 2007, 04:22 AM
    You are correct, the 5HP rotary converter is running along with the motor you are driving. A 5HP motors draws about 7000 watts, and at 10 cents per kilowatthour, it will cost 70 cents per hour to run.
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