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Recent content by crossconduction

  1. crossconduction

    Zero Sequence current during XFMR inrush?

    In the last few years I've been transitioning more to power electronics (merging 450V power system world to the SCR / IGBT electronics world). I once thought that transformers were the most beneign device in any electrical system and pales to the complexity of electronics. I had no idea how...
  2. crossconduction

    Zero Sequence current during XFMR inrush?

    Heriv, regards, so inrush decay profile is a LR time constant of the primary side (with L on secondary being reflected to the primary side which is influenced by R on secondary side) ?? Let me put it a different way: what are all the factors which can reduce the time it takes for inrush to...
  3. crossconduction

    Zero Sequence current during XFMR inrush?

    With regards to transformer inrush. I have an application involving D - D 450 to 450 transformer. The 3ph transformer is formed from separate single phase transformers. The transformer is feed by solid state source transfer device. The SCRs sometimes cross-conduct during source transfer...

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