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    zeeguitarman's Avatar
    zeeguitarman Posts: 2, Reputation: 1
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    #1

    Dec 6, 2006, 01:13 PM
    Three phase vs. single phase
    What benefits would you have running a three phase service as opposed to running single phase.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Dec 6, 2006, 05:15 PM
    A 3 phase service can deliver more power (wattage) at less voltage with smaller gauge conductors, thus saving copper and installation costs are more efficient than a single phase service.

    This is more evident when used for larger commercial or industrial equipment. A single phase motor larger than 10 HP is rare, where 3 phase motors can be much larger.

    Chosing between either depends on the total load and types of loads that need to be served.
    waweru's Avatar
    waweru Posts: 1, Reputation: 1
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    #3

    May 24, 2007, 11:43 PM
    In terms of running costs, which is more expensive
    dumle29's Avatar
    dumle29 Posts: 1, Reputation: 1
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    #4

    Mar 21, 2011, 12:52 PM
    I was just reading some 2 year old question, and they talked about 3phase being rarely seen in ordenary houses. Here in Denmark, we use 3 phase for our tumble-driers dishwashers washing mashines. Its pretty normal to have everywhere here.

    So I quess its pretty cost effective.

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