5、ulation,IconductThree-phaseshort-circuitcurrentcalculation,andworkoutshort-circuitcurrentatthetimeofphase short circuitaccordingtoThree-phaseshort-circuitcurrent.Accordingtotheresultofloadcalculationandshort-circuitcurrentcalculation,Iconductselectionandvalidationoftherelatedelectricfac