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  1. francisd

    Acceptable value for earth resistan

    The earth grid has two major functions: 1. Complete circuit for earth fault current return 2. Safety Of which 2. is the most important. Providing ohm values as guideline values for earth grid safety ignores basic safety issues and is irresponsible. Providing safe ground resistivity values...
  2. francisd

    Power generation, circulating current problem

    Have you measured the 'circulating' current to check if its 3rd harmonic? Are both generators grounded?
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