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+// Example 4.1
+// Computation of synchronous speed of a six pole induction motor
+// Page No. 140
+
+clc;
+clear;
+close;
+
+// Given data
+f=60;                // Frequency
+p=6;                 // Number of poles
+
+
+fs=f*0.85;           // Frequency is 85% of its rated value
+ns=120*fs/p;         // Synchronous speed
+
+// Display result on command window
+printf("\n Synchronous speed of a six pole induction motor = %0.0f r/min ",ns);