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Recent content by djsw

  1. djsw

    Transformer zero sequence reactance

    It not help me a lot. So, I need to make calculation of the zero sequence impedance (Ohms per phase) for a few different 3-phase distribution transformer designs: YNzn, ZNyn and ZNzn vector group.
  2. djsw

    Transformer zero sequence reactance

    Hello, How to calculate transformer zero sequence impedance (Ohms per phase) for YNzn and ZNzn vector group?
  3. djsw

    Zigzag transformers - leakage reactance

    I need to calculate reactance of zigzag earthing transformer, i.e. ZNzn vector group transformer. I have designed before star/zigzag transformer (ZNyn) and I know how to calculate leakage reactance of that type vector group transformer. But, now I need formula for leakage reactance X for...
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