initial commit / add all books

4 files changed, 63 insertions, 0 deletions

diff --git a/1049/CH10/EX10.2/ch10_2.sce b/1049/CH10/EX10.2/ch10_2.sce
new file mode 100755
index 000000000..222a9413b
--- /dev/null
+++ b/1049/CH10/EX10.2/ch10_2.sce
@@ -0,0 +1,12 @@
+clear;

+clc;

+V_s=230;

+V_m=sqrt(2)*V_s;

+R=10;

+a=30;

+V_or=(V_m/sqrt(2))*sqrt((1/%pi)*(%pi-a*%pi/180+sind(2*a)/2));

+I_or=V_or/R;    printf("rms value of o/p current=%.2f A",I_or);

+printf("\nrms value of o/p current for each convertor=%.2f A",I_or/sqrt(2));

+printf("\nrms value of o/p current for each thyristor=%.3f A",I_or/2);

+I_s=I_or;

+pf=(I_or^2*R)/(V_s*I_s);    printf("\ni/p pf=%.4f",pf);
\ No newline at end of file
diff --git a/1049/CH10/EX10.4/ch10_4.sce b/1049/CH10/EX10.4/ch10_4.sce
new file mode 100755
index 000000000..4c8c00aee
--- /dev/null
+++ b/1049/CH10/EX10.4/ch10_4.sce
@@ -0,0 +1,15 @@
+clear;

+clc;

+V_s=400;

+V_ph=V_s/2;

+a=160;

+r=cosd(180-a);

+m=3;

+V_or=r*(V_ph*(m/%pi)*sin(%pi/m));    printf("rms o/p voltage=%.3f V",V_or);

+R=2;

+X_L=1.5;

+th=atand(X_L/R);

+Z=sqrt(R^2+X_L^2);

+I_or=V_or/Z;    printf("\nrms o/p current=%.2f A",I_or);

+printf("\nphase angle of o/p current=%.2f deg",-th)

+P=I_or^2*R;    printf("\no/p power=%.2f W",P);

diff --git a/1049/CH10/EX10.5/ch10_5.sce b/1049/CH10/EX10.5/ch10_5.sce
new file mode 100755
index 000000000..a97bda417
--- /dev/null
+++ b/1049/CH10/EX10.5/ch10_5.sce
@@ -0,0 +1,16 @@
+clear;

+clc;

+V_s=400;

+V_ph=V_s/2;

+V_l=V_ph*sqrt(3);

+a=160;

+r=cosd(180-a);

+m=6;

+V_or=r*(V_l*(m/%pi)*sin(%pi/m));    printf("rms o/p voltage=%.2f V",V_or);

+R=2;

+X_L=1.5;

+th=atand(X_L/R);

+Z=sqrt(R^2+X_L^2);

+I_or=V_or/Z;    printf("\nrms o/p current=%.2f A",I_or);

+printf("\nphase angle of o/p current=%.2f deg",-th)

+P=I_or^2*R;    printf("\no/p power=%.2f W",P);

diff --git a/1049/CH10/EX10.7/ch10_7.sce b/1049/CH10/EX10.7/ch10_7.sce
new file mode 100755
index 000000000..42d8f87f8
--- /dev/null
+++ b/1049/CH10/EX10.7/ch10_7.sce
@@ -0,0 +1,20 @@
+clear;

+clc;

+V_l=400;

+V_ml=sqrt(2)*V_l;

+m=6;

+f=50;

+w=2*%pi*f;

+L=.0012;

+I=40;

+disp("for firing angle=0deg");

+a=0;

+V_or=(V_ml*(m/%pi)*sin(%pi/m))*cosd(a);

+V_omx=V_or-3*w*L*I/%pi;

+V_rms=V_omx/sqrt(2);    printf("rms value of load voltage=%.2f V",V_rms);

+

+disp("for firing angle=30deg");

+a=30;

+V_or=(V_ml*(m/%pi)*sin(%pi/m))*cosd(a);

+V_omx=V_or-3*w*L*I/%pi;

+V_rms=V_omx/sqrt(2);    printf("rms value of load voltage=%.2f V",V_rms);