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diff --git a/608/CH22/EX22.05/22_05.sce b/608/CH22/EX22.05/22_05.sce
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+//Problem 22.05: A 3-phase, 60 Hz induction motor has 2 poles. If the slip is 2% at a certain load, determine (a) the synchronous speed, (b) the speed of the rotor and (c) the frequency of the induced e.m.f.’s in the rotor.
+
+//initializing the variables:
+p = 2/2; // number of pairs of poles
+f = 60; // in Hz
+s = 0.02; // slip
+
+//calculation:
+//ns is the synchronous speed, f is the frequency in hertz of the supply to the stator and p is the number of pairs of poles.
+ns = f/p
+//The the rotor runs at
+nr = ns*(1 - s)
+//frequency of the e.m.f.’s induced in the rotor bars is
+fr = ns - nr
+
+printf("\n\n Result \n\n")
+printf("\n(a) synchronous speed is %.0f rev/sec",ns)
+printf("\n(b) rotor speed is %.1f rev/sec",nr)
+printf("\n(c) frequency of the e.m.f.’s induced in the rotor bars is is %.1f Hz",fr)
+\ No newline at end of file