diff options
Diffstat (limited to '3784/CH4/EX4.23')
| -rw-r--r-- | 3784/CH4/EX4.23/Ex4_23.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3784/CH4/EX4.23/Ex4_23.sce b/3784/CH4/EX4.23/Ex4_23.sce new file mode 100644 index 000000000..757503d64 --- /dev/null +++ b/3784/CH4/EX4.23/Ex4_23.sce @@ -0,0 +1,18 @@ +clc
+//Variable Initialisation
+Ea=220//Input Voltage of motor in volts
+Ia=150//Armature Current in Ampere
+Ia2=300 //torque is doubled
+Ra=0.06//Armature resistance in ohm
+Rb=2.2
+N1=1000//Rated Speed of Motor in rpm
+N2=700//Rated Speed of Motor in rpm
+d2=0.55
+//Solution
+Eb1=Ea-(Ia*Ra)
+Eb2=(N2/N1)*Eb1
+d=(1-(((Eb2/Ia2)-Ra)/Rb))
+Eb3=Ia2*(((1-d2)*Rb)+Ra)
+N3=(Eb3/Eb1)*N1
+printf('\n\n Duty Ratio Of Chopper=%0.1f\n\n',d)
+printf('\n\n Motor Speed=%0.1f rpm\n\n',N3)
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