1 files changed, 16 insertions, 0 deletions
diff --git a/3760/CH4/EX4.13/Ex4_13.sce b/3760/CH4/EX4.13/Ex4_13.sce
new file mode 100644
index 000000000..0e19f3bb0
--- /dev/null
+++ b/3760/CH4/EX4.13/Ex4_13.sce
@@ -0,0 +1,16 @@
+//The answer given in book for this question is wrong.
+
+clc;
+P=4;//No of poles
+Ia=120;//armature current
+A=4;//No of parallel paths for armature conductor
+L=0.02//inductance in mH
+//Et=L*(di/dt),Transformer emf in coil
+//di=2*Ia/A,change of current during commutation
+//dt=Tc,time of commutation
+//Et=0.02*0.001*(60/Tc) ....(1)
+//Er=2*(Bav*l*v),rotational emf in single turn coil
+//Er=2*(phi_c/Tc) ....(2),phi_c is the avg value of flux in the commutating zone
+//For linear commutation, Er=Et, from equation (1)&(2)
+phi_c=60*0.02*0.001/2;//phi_c is the avg value of flux in the commutating zone
+printf('THE AVG. VALUE OF FLUX IN THE COMMUTATING ZONE IS %f Wb.',phi_c)