Question: Two rectangular copper bus bars, each 1/4 in. thick 4 in. wide with facing flats, are separated by a 1/2-in. space between the flats.

Two rectangular copper bus bars, each 1/4 in. thick × 4 in. wide with facing flats, are separated by a 1/2-in. space between the flats. Determine per foot run of bus bars:

(1) The resistance and leakage inductance at 75°C and

(2) The mechanical force under a fault current of 50-kA peak, assuming the bar shape factor K = 0.7.

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1 Conductor crosssection area 14 4 1 in 2 which has the equivalent diameter 4 1 1128 in or 1128 2 12732 10 6 circular mils 12732 kcmil Using Equation ... View full answer

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