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  • Users: Doug W.
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  1. Doug W.

    Generator field ground protection alarm and trip setpoints

    For resistance based field ground protection, most literature says to alarm at 20 Kohms and trip at 5 Kohms. Does anyone know of a basis or any literature that may help with how these values were arrived at?
  2. Doug W.

    Generator fault current vs. output

    If a generator is running at 50% of its rated output, what will be the fault current contribution from the generator? Will it be the same or less than when the generator is running at 100% output when the fault occurs?

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