1 files changed, 41 insertions, 0 deletions
diff --git a/3775/CH3/EX3.3/Ex3_3.sce b/3775/CH3/EX3.3/Ex3_3.sce
new file mode 100644
index 000000000..82ba6d895
--- /dev/null
+++ b/3775/CH3/EX3.3/Ex3_3.sce
@@ -0,0 +1,41 @@
+//Ex 3.3 page 119
+
+clc;
+clear;
+close;
+
+//v2t = 325*sin(w*t)
+R=20;// ohm
+alfa=45;// degree
+vm=325;// V
+V=230;// V
+printf('part (a)\n')
+Vo=vm/2/%pi*(1+cosd(alfa)) ;// V
+Io=Vo/R;// A
+printf(' dc voltage Vo = %.1f V',Vo)
+printf('\n & Current Io = %.3f A',Io)
+printf('\n\n part (b)\n')
+Vor=vm/2/sqrt(%pi)*sqrt((%pi-%pi/180*alfa)+1/2*sind(2*alfa));// V
+Ior=Vor/R;// A
+printf(' rms voltage Vor = %.3f V',Vor)
+printf('\n & Current Ior = %.3f A',Ior)
+printf('\n\n part (c)')
+Pdc=Vo*Io;// W
+Pac=Vor*Ior;// W
+eta=Pdc/Pac;// rectification efficiency
+printf("\n dc Power = %.2f W", Pdc)
+printf("\n ac Power = %.2f W", Pac)
+printf("\n Rectification efficiency = %.4f", eta)
+printf('\n\n part (d)')
+FF=Vor/Vo;// form factor
+RF=sqrt(FF**2-1)
+printf('\n Form factor = %.3f ',FF)
+printf('\n Ripple factor = %.3f ',RF)
+printf('\n\n part (e)')
+VA=V*Ior;// VA
+TUF=Pdc/V/Ior;// Transformer Utilization factor
+printf("\n VA rating = %.1f VA", VA)
+printf("\n Transformer Utilization factor = %.4f", TUF)
+printf('\n\n part (f)')
+Vp=vm;// V
+printf("\n Peak inverse voltage = %d V",Vp)