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  1. jordan__94

    Transformer impedance

    No one? Any idea?
  2. jordan__94

    Transformer impedance

    I have as known data, the ratio of zero-sequence X0/RO, the Ploss of core,the short-circuit applied voltage for positive and zero sequence (Uk1 and Uk0) for a transformer 50 MVA, 150/20 kV. So i found, Z1 and Z0 for positive and zero-sequence, but the simulation program, asks me for Z1 and Z2 of...
  3. jordan__94

    Transformer impedance

    Hi, i need some help guys. I have to simulate a transformer (DYn1) and i need as parameters the Zequal of winding 1, the Zequal of winding 2 and magnetization resistance and reactance. I have computed the R1,X1 for positive sequence(so negative) and R0,X0 for zero sequence, from known data. So...

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