clear // //given za=50 zb=15 //j15 zc=-15 //-j15 vl=440 vab=440 //with an angle of 0 vbc=440 //with an angle of -120 vca=440 //with an angle of -240 //applying kvl to meshes as in the diagram we get the following equations //50i1+j15(i1-i2)-440(angle 0)=0,j15(i2-i1)+(-j15)i2-440(angle 120)=0 //solving the above 2 eqns we get the values of ia,ib and ic as follows printf("\n ia=29.33A") printf("\n ib=73.83A") printf("\n ic=73.82A") //the voltage drops across vr,vl and vc which are voltages across resistance ,inducctance and capacitance are given as follows printf("\n vr=1466.5V") printf("\n vl=73.83V") printf("\n vc=73.83V") //the potential of neutral point printf("\n vn=1212.45V")