//To Determine the Voltage dip due to 10hp single phase motor //Page 493 clc; clear; Skva=6.3*(10^3); //Starting kVA per HP of the Motor HPmotor=10; //Power Rating Vll=7.2*(10^3); //Line Voltage I3phi=1438; //Fault Current Sstart=Skva*HPmotor; //Starting kVA VDIP=120*Sstart/(I3phi*Vll); //Voltage Dip printf('\na) The Voltage dip due to the motor start is %g V\n',VDIP) printf('b) From the Permissible voltage flicker limit curve, The Voltage dip of 0.73 V\nwith a frequency of 15 times per hour is in the satisfactory flicker zone\n and therefore is not objectionable to the immediate customers\n')