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  1. R

    FAT : zero sequence impedance measurement test

    Hello For a Star delta transformer YNd11, zero sequence impedance measurement test is relevant? I mean when no neutral point exists in Delta, how the test is done?
  2. R

    Zigzag earthig transformer+ NGR on the secondary side of a 132/33 kV Yd transformer.

    I am currently working on a 33 kV distribution system, and i must design a Zigzag earthig transformer+ NGR on the secondary side of a 132/33 kV Yd transformer. I need a sample calculation file. If you have any sample files available, I would greatly appreciate it if you could share one with me.

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