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+clc;
+
+//V/f ratio is same for every case hence hysteresis losses and eddy current losses can be calculated separately
+// data for column 1
+vt1=214; // terminal voltage
+f1=50; // frequency in hz
+p1=100; // power input in Watts
+vp1=vt1; // per phase voltage
+pv1=p1/3; // per phase power
+pc1=pv1/f1; // core loss per cycle
+// data for column 2
+vt2=171; // terminal voltage
+f2=40; // frequency in hz
+p2=72.5; // power input in Watts
+vp2=vt2; // per phase voltage
+pv2=p2/3; // per phase power
+pc2=pv2/f2; // core loss per cycle
+// data for column 3
+vt3=128; // terminal voltage
+f3=30; // frequency in hz
+p3=50; // power input in Watts
+vp3=vt3; // per phase voltage
+pv3=p3/3; // per phase power
+pc3=pv3/f3; // core loss per cycle
+// data for column 4
+vt4=85.6; // terminal voltage
+f4=20; // frequency in hz
+p4=30; // power input in Watts
+vp4=vt4; // per phase voltage
+pv4=p4/3; // per phase power
+pc4=pv4/f4; // core loss per cycle
+// Values of k1 and k2 have been obtained from graph
+k1=0.39;
+k2=(pc1-k1)/50;
+F1=60; //frequency at which losses has to be calculated
+ph1=k1*F1; //per phase hysteresis loss at 60 hz
+pe1=k2*F1^2; // per phase eddy curent loss at 60 hz
+pht=3*ph1; // total hysteresis loss
+pet=3*pe1; // total eddy current loss
+printf('Total hysteresis and eddy current losses at 60 hz are %f W and %f W respectively\n',pht,pet);
+F2=40; //frequency at which losses has to be calculated
+ph2=k1*F2; //per phase hysteresis loss at 40 hz
+pe2=k2*F2^2; // per phase eddy curent loss at 40 hz
+pht=3*ph2; // total hysteresis loss
+pet=3*pe2; // total eddy current loss
+printf('Total hysteresis and eddy current losses at 40 hz are %f W and %f W respectively',pht,pet);