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    suniljayarajan's Avatar
    suniljayarajan Posts: 10, Reputation: 1
    New Member
    		  
    #1

    Apr 11, 2009, 03:18 AM
    How to design a DG according to load
    I want to know how to design a Generator

    If suppose I need 480v; 3phase; 60hz

    What is the KVA of DG
    And how can I calculate
    sathe1963's Avatar
    sathe1963 Posts: 97, Reputation: 4
    Junior Member
    		  
    #2

    Apr 18, 2009, 08:37 AM
    Dear Sir,

    One has to look into max.inrush current capacity of DG set and parallelly, how much is the load. Next is what is the max kw capacity of load which would be started on genset when all other loads are ON.
    suniljayarajan's Avatar
    suniljayarajan Posts: 10, Reputation: 1
    New Member
    		  
    #3

    Apr 18, 2009, 09:18 PM
    It load is coming around 300A
    sathe1963's Avatar
    sathe1963 Posts: 97, Reputation: 4
    Junior Member
    		  
    #4

    Apr 18, 2009, 10:29 PM
    Dear friend,

    Apparently, you require 250 kva dg set. This could serve around 300 ampere load at 480 volts. + additional safe margin @ 20% to be considered according to standard rating available above the said rating. (one has to see that dg would feed to max. Capacity load when other loads are running and also to see that it is not under utilised... under loaded considering high running cost.
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