summaryrefslogtreecommitdiff
path: root/1445/CH8/EX8.10
diff options
context:
space:
mode:
Diffstat (limited to '1445/CH8/EX8.10')
-rw-r--r--1445/CH8/EX8.10/ch8_ex_10.sce55
1 files changed, 55 insertions, 0 deletions
diff --git a/1445/CH8/EX8.10/ch8_ex_10.sce b/1445/CH8/EX8.10/ch8_ex_10.sce
new file mode 100644
index 000000000..8ecea55db
--- /dev/null
+++ b/1445/CH8/EX8.10/ch8_ex_10.sce
@@ -0,0 +1,55 @@
+//CHAPTER 8- DIRECT CURRENT MACHINES
+//Example 10
+
+disp("CHAPTER 8");
+disp("EXAMPLE 10");
+
+//VARIABLE INITIALIZATION
+P=6; //number of poles
+I=80; //current per conductor in Amperes
+Z=400; //tottal number of conductors
+phi=0.020; //flux per pole in Wb
+N=1800; //in rpm
+
+//SOLUTION
+
+//soluion (a): for wave connected
+disp("(a) For Wave connected");
+
+//(i)
+A=2; //A=number of parallel paths
+I_a=I*A;
+disp(sprintf("(i) The total current is %f A",I_a));
+
+//(ii)
+E_a=(phi*Z*N*P)/(60*A);
+disp(sprintf("(ii) The emf is %f V",E_a));
+
+//(iii)
+p=E_a*I_a;
+disp(sprintf("(iii) The power developed in armature is %f kW",p/1000));
+w=(2*%pi*N)/60;
+T_e=p/w;
+disp(sprintf("The electromagnetic torque is %f N-m",T_e));
+
+
+//soluion (b): for lap connected
+disp("(b) For Lap connected");
+
+//(i)
+A=P;
+I_a=I*A;
+disp(sprintf("(i) The total current is %f A",I_a));
+
+//(ii)
+E_a=(phi*Z*N*P)/(60*A);
+disp(sprintf("(ii) The emf is %f V",E_a));
+
+//(iii)
+p=E_a*I_a;
+disp(sprintf("(iii) The power developed in armature is %f kW",p/1000));
+w=(2*%pi*N)/60;
+T_e=p/w;
+disp(sprintf("The electromagnetic torque is %f N-m",T_e));
+
+//END