//Chapter-5, Example 5.46, Page 210 //============================================================================= clc clear //INPUT DATA Vl=400;//voltage in volts Il=20;//current in A f=50;//freq in hz pf=0.3//power factor //CALCULATIONS Ip=Il/sqrt(3);//phase current in A Z=Vl/Ip;//impedance in each phase in ohms phi=acos(0.3);//angle in radians Zb=Z*(cos(phi)+(%i)*sin(phi));//impedance connected in each phase mprintf("Thus impedance connected in each phase in ohms"); disp(Zb); //=================================END OF PROGRAM======================================================================================================