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Diffstat (limited to '2252/CH19/EX19.10/Ex19_10.sce')
| -rwxr-xr-x | 2252/CH19/EX19.10/Ex19_10.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/2252/CH19/EX19.10/Ex19_10.sce b/2252/CH19/EX19.10/Ex19_10.sce new file mode 100755 index 000000000..363416c44 --- /dev/null +++ b/2252/CH19/EX19.10/Ex19_10.sce @@ -0,0 +1,11 @@ +
+V=500//applied voltage
+N1=700//initial speed of motor
+Ia1=50//armature current
+Ra=.4//effective armature resistance
+Eb1=V-Ia1*Ra
+N2=600//reduced speeed of motor
+Ia2=Ia1//as torque and flux remains same
+//back emf is directly proportional to speed
+R=((V-Ia2*Ra)*N1-Eb1*N2)/(Ia2*N1)
+mprintf("Additional resistance in the armature circuit is %f ohm",R)
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