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-rwxr-xr-x1076/CH13/EX13.2/13_2.sce30
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diff --git a/1076/CH13/EX13.2/13_2.sce b/1076/CH13/EX13.2/13_2.sce
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+clear;
+clc
+
+P=4
+f=50
+G=200
+H=6
+J=G*H
+mprintf("\n(a)stored energy = %.0f MJ",J)
+
+Pl=120
+Pl1=160
+Pa=Pl-Pl1
+M=J/(180*f)
+a=Pa/M
+mprintf("\n(b)acceleration = %.0f elec deg/ sec sq",a)
+
+c=5
+t=c/f
+dd=.5*a*t*t
+N=120*f/P
+a=a*60/(180*P)
+Nn=N+(a*t)
+mprintf("\n(c)change in power angle = %.1f elec deg, change in speed = %.1f rpm",dd,Nn)
+
+G2=150
+H2=4
+Gb=100
+Heq=((G*H)+(H2*G2))/Gb
+mprintf("\n(d)Equivalent inertia constant = %.0f MJ/MVA",Heq)