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Recent content by djb79

  1. djb79

    Transformer Ground Fault Question

    Hi All, Thanks for all the sweet info and helping re-skill and embedded designer. Whilst working as a grad embedded designer I loved the fact that I never had to deal with anything over 12V. Through working as an EIC commissioning engineer, as heap of instruments, PLC chains as well as 415V...
  2. djb79

    Transformer Ground Fault Question

    Hi All, Thanks for the posts, makes a lot more sense when you draw out the vectors. I realise now that my issue was that I was assuming that the Neutral point of the star transformer was bonded to ground as this is the way I've always seen them. In Australia (were I'm from, I assume this is a...
  3. djb79

    Transformer Ground Fault Question

    Hi All, I'm trying to get it right in my head as to why when a single phase on the secondary side of the transformer goes to ground (earth fault), the remaining 2 phases increase in voltage by a factor of sqrt3? I know it's a relatively elementary question, but I'm in the process of a career...
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