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    stephen88's Avatar
    stephen88 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Oct 29, 2011, 09:30 AM
    Principle of operation of a induction KWhr energy meter
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    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Oct 29, 2011, 10:29 AM
    Try:

    Electricity meter - Wikipedia, the free encyclopedia

    And:

    http://nptel.iitm.ac.in/courses/Webc...(EE)NPTEL).pdf
    sinnadurai's Avatar
    sinnadurai Posts: 127, Reputation: 2
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    #3

    Nov 6, 2011, 07:36 AM
    I think I already answered this sometime back. The meter has two coils(current and voltage. The induction disc moves freely in the field provided by the voltage coil at a speed proportional to the current or the load,thus rotating the counter which registers the reading. Nowadays they have digital meters too.
    dileeprbanger's Avatar
    dileeprbanger Posts: 1, Reputation: 1
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    #4

    Aug 13, 2012, 06:25 AM
    How electrical energy is measured in dc and ac circuits?
    sinnadurai's Avatar
    sinnadurai Posts: 127, Reputation: 2
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    #5

    Aug 13, 2012, 09:24 PM
    Quote Originally Posted by dileeprbanger View Post
    how electrical energy is measured in dc and ac circuits?
    In dc power is Vx I but in ac it is Vx I x pf.To get energy multiply by hrs.The kvh or energy meter is made to measure kwh. In DC there will be no kVA but in ac you get KVA,KW & KVAr.
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