1 files changed, 52 insertions, 0 deletions
diff --git a/Working_Examples/154/CH12/EX12.6/ch12_6.sce b/Working_Examples/154/CH12/EX12.6/ch12_6.sce
new file mode 100755
index 0000000..039e4f5
--- /dev/null
+++ b/Working_Examples/154/CH12/EX12.6/ch12_6.sce
@@ -0,0 +1,52 @@
+clc
+disp("Example 12.6")
+printf("\n")
+
+printf("Given")
+disp("The system CBA is WYE connected")
+disp("Maximum line voltage is 150V")
+disp("The three impedances are 6(0 deg),6(30 deg),5(45 deg)")
+ZAmag=6;ZAph=0;
+ZBmag=6;ZBph=30;
+ZCmag=5;ZCph=45;
+//Let maximum line voltage is Vmax
+Vmax=150
+//Let the line to neutral voltage magnitude be Vn
+Vn=Vmax/sqrt(3)
+//From fig 12.7(b)
+//VAN=Vn(-90 deg)
+//VBN=Vn(30 deg)
+//VCN=Vn(150 deg)
+
+//From figure 12.16
+IAmag=Vn/ZAmag
+IAph=-90-ZAph
+printf("\nIA=%3.2f(%d deg)A\n",IAmag,IAph);
+
+IBmag=Vn/ZBmag
+IBph=30-ZBph
+printf("\nIB=%3.2f(%d deg)A\n",IBmag,IBph);
+
+ICmag=Vn/ZCmag
+ICph=150-ZCph
+printf("\nIC=%3.2f(%d deg)A\n",ICmag,ICph);
+
+//Now to calculate IN
+//IN=-(IA+IB+IC)
+x=IAmag*cos((IAph*%pi)/180);
+y=IAmag*sin((IAph*%pi)/180);
+z=complex(x,y)
+
+x1=ICmag*cos((ICph*%pi)/180);
+y1=ICmag*sin((ICph*%pi)/180);
+z1=complex(x1,y1)
+
+x2=IBmag*cos((IBph*%pi)/180);
+y2=IBmag*sin((IBph*%pi)/180);
+z2=complex(x2,y2)
+
+IN=-(z+z1+z2)
+
+[R,Theta]=polar(IN)
+
+printf("\nIN=%3.2f(%d deg)A\n",R,Theta*(180/%pi));