diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1938/CH2/EX2.14/2_14.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1938/CH2/EX2.14/2_14.sce')
| -rwxr-xr-x | 1938/CH2/EX2.14/2_14.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/1938/CH2/EX2.14/2_14.sce b/1938/CH2/EX2.14/2_14.sce new file mode 100755 index 000000000..cf610f216 --- /dev/null +++ b/1938/CH2/EX2.14/2_14.sce @@ -0,0 +1,24 @@ +clc,clear
+printf('Example 2.14\n\n')
+
+R_a=0.08, E_b1=242 , V=250
+//part(i)
+I_a1= (V-E_b1)/R_a
+printf('(i)Armature current = %.0f A',I_a1)
+
+//part(ii)
+N=0
+E_b=0 //because N=0
+I_a_start=V/R_a
+printf('\n(ii)Starting armature current = %.0f A',I_a_start)
+
+//part(iii)
+I_a2=120
+E_b2=V-I_a2*R_a
+printf('\n(iii)Back emf if armature current is changed to 120 A= %.1f V',E_b2)
+
+//part(iv)
+I_a=87,N_m=1500
+E_g=V + I_a*R_a //induced emf
+N_g=N_m*(E_g/E_b1)//as E (prop.) N
+printf('\n(iv)Generator speed to deliver 87 A at 250 V = %.1f rpm',N_g)
|