1 files changed, 25 insertions, 0 deletions
diff --git a/3731/CH2/EX2.2/Ex2_2.sce b/3731/CH2/EX2.2/Ex2_2.sce
new file mode 100644
index 000000000..3e89a5bfb
--- /dev/null
+++ b/3731/CH2/EX2.2/Ex2_2.sce
@@ -0,0 +1,25 @@
+//Chapter 2:Dynamics of Electric Drives
+//Example 2
+clc;
+
+//Variable Initialization
+J=10     //moment of inertia of the drive in kg-m2
+mprintf("Passive load torque during steady state is : Tl=0.05*N in N-m")
+mprintf("\nAnd load torque : T=100-0.1*N in N-m ")
+mprintf("\nLoad torque when the direction is reversed T=-100-0.1*N  in N-m")
+
+//Solution
+mprintf("\nT-Tl=0")
+mprintf("\n100-0.1*N-0.05*N=0\n")
+N=100/0.15     //Required speed of the motor in rpm during steady state
+N2=-100/0.15   //During reversal speed is in opposite direction
+mprintf("\nJdWm/dt=-100-0.1*N-0.05*N during reversing")
+mprintf("\ndN/dt=30/(J*pi)*(-100-0.15*N)")
+mprintf("\ndN/dt=(-95.49-0.143*N)\n")
+N1=N
+N2=N2*0.95 //for speed reversal 
+deff('y=f(x)','y=1/(-95.49-0.143*x)')
+t=intg(N1,N2,f)
+
+//Result
+mprintf("\nHence Time of reversal is : %.2f s",t)