1 files changed, 24 insertions, 0 deletions
diff --git a/2231/CH2/EX2.12/Ex_2_12.sce b/2231/CH2/EX2.12/Ex_2_12.sce
new file mode 100755
index 000000000..67e91ca5b
--- /dev/null
+++ b/2231/CH2/EX2.12/Ex_2_12.sce
@@ -0,0 +1,24 @@
+//Example 2_12
+clc;
+clear;close;
+
+//Given data: 
+Vs=230;//V
+f=50;//Hz
+alfa=90;//degree
+
+//Solution :
+Vm=Vs*sqrt(2);//V
+Vdc=Vm/%pi*(1+cosd(alfa))//V
+disp(Vdc,"Vdc in V");
+Vrms=Vm/sqrt(2)*sqrt(1/%pi*[%pi-%pi/2+sin(%pi)/2]);//V
+disp(Vrms,"Vrms in V");
+Is_by_I=sqrt(1-%pi/2/%pi);
+Is1_by_I=2*sqrt(2)/%pi*cos(%pi/4);
+HF=sqrt((Is_by_I/Is1_by_I)^2-1);//unitless
+disp(HF,"Harmonic factor");
+theta1=-alfa/2*%pi/180;//radian
+DF=cos(theta1);//unitless
+disp(DF,"Displacement factor");
+PF=(Is1_by_I/Is_by_I)*DF;//lagging
+disp(PF,"Power factor(lagging)");