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+//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex10_13.sce
+
+clc;
+clear;
+p1=12;
+p2=8;
+f=50;
+printf("\n (a)")
+printf("\n \t (i)Speed when cumulatively cascaded:")
+N1=(120*f)/(p1+p2);
+printf("\n \t N=%d r.p.m",N1)
+printf("\n \t (ii)Speed when differentially cascaded:")
+N2=(120*f)/(p1-p2);
+printf("\n \t N=%d r.p.m \n",N2)
+
+printf("\n (b)")
+printf("\n The ratio of power shared by the two motors=%d/%d \n",p1,p2)
+
+printf("\n (c)")
+printf("\n \t(i)First motor:")
+Ns1=(120*f)/p1;
+s1=(Ns1-N1)/Ns1;
+sf1=s1*f;
+printf("\n Required frequency of voltage to be injected in rotor of first motor=%d Hz",sf1)
+printf("\n \t(ii)Second motor:")
+Ns2=(120*f)/p2;
+s2=(Ns2-N1)/Ns2;
+sf2=s2*f;
+printf("\n Required frequency of voltage to be injected in rotor of second motor=%d Hz",sf2)
+
+
+
+