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  1. patayloruk

    Calculation of TRU input KVA

    Thanks all
  2. patayloruk

    Calculation of TRU input KVA

    The input is 4 wire 115/200 Y connection The efficiency of the TRU is 78%
  3. patayloruk

    Calculation of TRU input KVA

    Could someone help me work out the KVA input to a TRU using the following information? O/P DC amps=270 @ 28VDC Efficiency 78% Input is 115VAC 3 phase power factor is = or better than .97 I have done some calculations and come up with Iput Amps per phase of 17.092 and a KVA rating of 5.72, is...

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