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  • Users: b_gibb
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  1. b_gibb

    Rigid bus simplified short-circuit calculation

    I'm trying to follow the IEEE 605 example for calculating the cantilever force on a rigid bus insulator due to short-circuit. I understand the example with the exception of how they determined the equivalent forces (F1, F2, F3 in Figure F.2) from the Fsc. Example: F3 = 3 x Fsc_corrected * L /...
  2. b_gibb

    CT saturation — I'm missing something

    Hi! I want to determine if my 600:5 CT will saturate. I have all the information but I feel like my formula is not correct. I understand it to be: Vs = ( Ifault / CTratio ) * ( Burden of CT and leads and relay ) * ( 1 + X/R ) Where, Vs = is the voltage developed on the secondary of the CT...

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