//Book Name:Fundamentals of Electrical Engineering //Author:Rajendra Prasad //Publisher: PHI Learning Private Limited //Edition:Third ,2014 //Ex7_9.sce. clc; clear; Vp=220; //primary voltage in V Vs=250; //secondary voltage in V Ns=2000; //number of secondary turns printf("\n (a)") Np=(Vp/Vs)*Ns; //number of Primary turns tapping_point=Ns-Np; //number of turns from C to A in figure printf("\n The position of tapping point=%d turns \n",tapping_point) printf("\n (b)") Po=10e3; //output power in KVA Is=Po/Vs; //secodary current in A Ip=(Vs/Vp)*Is; //primary current in A approximate_current=Ip-Is; printf("\n The approximate value of current in each part of the winding:\n") printf("\t Is=%d A\n",Is) printf("\t Ip=%2.2f A\n",Ip) printf("\t Ip-Is=%1.2f A\n",approximate_current) printf("\n (c)") copper_saved=Vp/Vs; printf("\n copper saved=%1.2f p.u",copper_saved)