1 files changed, 28 insertions, 0 deletions
diff --git a/3760/CH1/EX1.9/Ex1_9.sce b/3760/CH1/EX1.9/Ex1_9.sce
new file mode 100644
index 000000000..5ca3a7246
--- /dev/null
+++ b/3760/CH1/EX1.9/Ex1_9.sce
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+clc;
+P=10000; //rated power of transformer
+E1=2500; // rated primary side voltage
+E2=250; // rated secondary side voltage
+// initialising primary side parameters
+r1=4.8; // primary resistance in ohm
+x1=11.2; // primary leakage reactance in ohm
+//initialising secondary side parameters
+r2=0.048; // secondary resistance in ohm
+x2=0.112; // secondary leakage reactance in ohm
+k=E2/E1; // turn's ratio1
+z=5+%i*3.5;
+re2=r2+r1*k^2; //resistance referred to secondary
+xe2=x2+x1*k^2; //reactance referred to secondary
+ze2=re2+%i*xe2;
+zt=z+ze2; // total load on secondary
+Z=abs(zt);
+I2=E2/Z; // load current on secondary
+disp ('case a');
+V2=round(I2*abs(z));
+printf('secondary terminal voltage is %f V\n',V2 );
+disp ('case b');
+pf=0.8; // power factor
+I2l=P/E2; // rated current of secondary side
+VD=I2l*(re2*pf+xe2*sqrt(1-pf^2)); // voltage drop in transformer leakage impedance
+Vt=E2-VD;
+printf('secondary terminal voltage is %f V',Vt)
+