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diff --git a/3760/CH1/EX1.34/Ex1_34.sce b/3760/CH1/EX1.34/Ex1_34.sce
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+clc;
+P=5000; // rated VA of transformer
+pc=40; // core loss , it remains fixed for whole day
+poh=100; // ohmic losses 
+// data for duration 7 A.M to 1 P.M
+p1=3000; // power consumed
+pf1=0.6 // power factor of load
+pk1=p1/pf1; // VA load
+poh1=poh*(pk1/P)^2; // ohmic losses for given duration
+// data for duration 1 P.M to 6 P.M
+p2=2000; // power consumed
+pf2=0.8 // power factor of load
+pk2=p2/pf2; // VA load
+poh2=poh*(pk2/P)^2; // ohmic losses for given duration
+// data for duration 6 P.M to 1 A.M
+p3=6000; // power consumed
+pf3=0.9 // power factor of load
+pk3=p3/pf3; // VA load
+poh3=poh*(pk3/P)^2; // ohmic losses for given duration
+// data for duration 1 A.M to 7 A.m =no load
+poht=poh1*6+poh2*5+poh3*7; // energy lost in ohmic losses
+pct=(pc*24); // daily energy lost as core loss
+ptl=poht+pct; // total energy lost
+po=p1*6+p2*5+p3*7; // output
+n=(1-(ptl/(ptl+po)))*100; 
+printf('All day efficiency is %f percent',n);