1 files changed, 28 insertions, 0 deletions
diff --git a/3784/CH4/EX4.18/Ex4_18.sce b/3784/CH4/EX4.18/Ex4_18.sce
new file mode 100644
index 000000000..8bd1e0450
--- /dev/null
+++ b/3784/CH4/EX4.18/Ex4_18.sce
@@ -0,0 +1,28 @@
+clc
+//Variable Initialisation
+Ea=230//Input Voltage of motor in volts
+Ia=50//Armature Current in Ampere
+N1=800//Rated Speed of Motor in rpm
+Ra=0.4//Armature resistance in ohm
+d1=0.3//Duty ratio for Motoring Operation
+d2=0.6//Duty ratio for Motoring Operation
+d3=0.7//Duty ratio for Braking Operation
+d4=0.4//Duty ratio for Braking Operation
+//Solution
+E01=d1*Ea
+Eb1=Ea-(Ia*Ra)
+Eb2=E01-(Ia*Ra)
+N2=(Eb2/Eb1)*N1
+E02=d2*Ea
+Eb3=E02-(Ia*Ra)
+N3=(Eb3/Eb1)*N1
+E03=d3*Ea
+Eb4=E03+(Ia*Ra)
+N4=(Eb4/Eb1)*N1
+E04=d4*Ea
+Eb5=E04+(Ia*Ra)
+N5=(Eb5/Eb1)*N1
+printf('\n\n Motor speed for Motoring Operation 1 =%0.1f rpm\n\n',N2)
+printf('\n\n Motor speed for Motoring Operation 2=%0.1f rpm\n\n',N3)
+printf('\n\n Motor speed for Braking Operation 1=%0.1f rpm\n\n',N4)
+printf('\n\n Motor speed for Braking Operation 2=%0.1f rpm\n\n',N5)