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    subarn's Avatar
    subarn Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 16, 2011, 02:52 AM
    What is the defferent between 3phase 3 wire and 3 phase 4 wire energy meter?
    What is the different between 3phase 3 wire and 3 phase 4 wire energy meter?
    fansofkar's Avatar
    fansofkar Posts: 4, Reputation: 3
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    #2

    Sep 16, 2011, 03:03 AM
    It means the first one is 3 phase meter with 3 wires and the second one has a nuetral too. The former can be used for delta connected load and the latter for star connected load
    sinnadurai's Avatar
    sinnadurai Posts: 127, Reputation: 2
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    #3

    Sep 17, 2011, 07:46 AM
    In any installation,there is lighting or single phase load too. The utility usually install 4 wire kwh meter including neutral. Can you give an example where 3wire kwh meter is used.
    cva.guru's Avatar
    cva.guru Posts: 1, Reputation: 1
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    #4

    Feb 3, 2012, 11:09 PM
    The difference is star & Delta connection
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