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Transformer Riddle No.49 – Transformer per phase ohmic value

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  • 2021-08-03 at 11:08 am #572
    Kazi

      Can anyone teach how to calculate the per phase ohmic value of a 220/132 kV, 160MVA T/F with an example for different taps?
      Can anyone teach how to calculate the per phase ohmic value of a 220/132 kV, 160MVA T/F with an example for different taps?

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    • 2021-08-03 at 11:08 am #2166
      Hamid

        For calculation the resistance of the winding of transformer you need a lot of technical data about your transformer. You can follow calculation procedure below which submitted in a reference book (Spotlight on Modern Transformer Design written by Pavlos S. Georgilakis) to compute the resistance of the LV winding of a 630 kVA distribution transformer having the input data shown in Tables.

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