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11.20 Determine the maximum short-circuit current in amperes of an electric power system having one main transformer rated at 300 kV A, 480 V, three-phase.
11.20 Determine the maximum short-circuit current in amperes of an electric power system having one main transformer rated at 300 kV A, 480 V, three-phase. The transformer impedance is 3 percent. 11.21 If the system secondary voltage is 240 V in lieu of 480 V, what is the maximum short-circuit value
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