Transcription of Electrical Systems Analysis and Design for Industrial ...
1 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-1 Electrical Systems Analysisand Design for IndustrialPlantsIrwin LazarIrwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-2 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-3 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-4 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-5 PATH OF Electrical CURRENTBOTH BREAKERS TRIP OUTSECOND GROUND FAULTFIRST GROUND FAULTSECONDARY WINDINGFIGURE 3. DOUBLE LINE TO GROUND FAULT ON UNDERGROUND Systems RESULT IN OUTAGES OF TWO CIRCUITS AND HIGH LEVEL FAULT CURRENTS CAUSING SEVERE EQUIPMENT DAMAGEFULL LINE-TO-LINE VOLTAGENORMAL LINE-TO-GROUND VOLTAGENEUTRALGROUND POTENTIALNUETRALLINE-TO-GROUD VOLTAGE DURING FAULT (EQUAL TO FULL LINE-TO-LINE VOLTAGEA.)
2 NO FAULT system (NEUTRAL FLOATS AT GROUND POTENTIALB. SINGLE LINE-TO-GROUND FAULT ON system (ONE LINE AT GROUND POTENTIALFIGURE 4 LINE-TO-GROUND VOLTAGES FOR A SINGLE LINE-TO-GROUND FAULT ON AN UNDERGROUND NEUTRAL SYSTEMI rwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-6 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-7 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-8 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-9 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-10 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-11 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-12 Irwin Lazar Electrical Systems Analysis and Design for Industrial PlantsB-13))
