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+// Example 9.5
+// Determine (a) Bus frequency (b) Load on each machine
+// Page 360
+
+clc;
+clear;
+close;
+
+// Given data
+Padd=720;                    // Additional load connected
+GD=0.0008;                   // Governor droop
+f=60.2;                      // Frequency of machine
+Pbus=900;                    // Bus load
+
+// (a) Bus frequency
+deltaPa=Padd/2;        
+deltaPb=deltaPa;           // Since both machines have identical governor drops       
+deltaF=GD*deltaPa;         // Change in frequency
+Fbus=f-deltaF;
+
+// (b) Load on each machine
+Pa=(2/3)*Pbus+deltaPa;     // Load on machine A
+Pb=(1/3)*Pbus+deltaPb;     // Load on machine B
+
+// Display result on command window
+printf("\n Bus frequency = %0.2f Hz ",Fbus);
+printf("\n Load on machine A = %0.0f kW",Pa);
+printf("\n Load on machine B = %0.0f kW",Pb);
+