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  • Users: Ftx
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  1. Ftx

    Cable size , service size, Ampere , voltage drop

    Hi I asked to move 3 phase transformer to new pole. This 3 phase transformer is feeding apartment building from pole to underground service. Currently this tx 3-50kva ,600/347 V, 4-4/0 Al. they gave me the peak load on tx is 135 kva. 77 residents in apartment all 120/240. But i don't know the...
  2. Ftx

    Transformer Impedance and voltage drop

    I am trying to calculate voltage drop on my transformer... Primary voltage 16000V ,Secondary voltage 120/240 TX= 100 KVA %z=3.3 1phase Can anyone help me how to calculate voltage drop on transformer. The result of my calculation is given me 3.28% voltage drop, However my Supervisor...

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