diff options
Diffstat (limited to '1938/CH2/EX2.8')
| -rwxr-xr-x | 1938/CH2/EX2.8/2_8.jpg | bin | 0 -> 20616 bytes | |||
| -rwxr-xr-x | 1938/CH2/EX2.8/2_8.sce | 16 |
2 files changed, 16 insertions, 0 deletions
diff --git a/1938/CH2/EX2.8/2_8.jpg b/1938/CH2/EX2.8/2_8.jpg Binary files differnew file mode 100755 index 000000000..6cf199a23 --- /dev/null +++ b/1938/CH2/EX2.8/2_8.jpg diff --git a/1938/CH2/EX2.8/2_8.sce b/1938/CH2/EX2.8/2_8.sce new file mode 100755 index 000000000..ad9725647 --- /dev/null +++ b/1938/CH2/EX2.8/2_8.sce @@ -0,0 +1,16 @@ +clc,clear
+printf('Example 2.8\n\n')
+
+R_a=0.2, R_se =0.3 //Resistance of armature and series field winding
+//following variables correspond to load 1
+V=250
+N_1=800
+I_1=20, I_a1=I_1,I_se1= I_a1
+E_b1= V - I_a1*(R_a+R_se)
+//following variables correspond to load 2
+I_2=50, I_a2=I_2
+E_b2= V - I_a2*(R_a+R_se)
+
+//from speed equation it can be derived that,
+N_2 = N_1 * (E_b2/E_b1) * (I_a1/I_a2)
+printf('Speed on motor on no load is %.0f r.p.m',N_2)
|
