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+// Example 9.7
+// Determine (a) Active and reactive components of the bus load (b) If the 
+// power factor of generator A is 0.94 lagging, determine the reactive power
+// supplied by each machine.
+// Page 366
+
+clc;
+clear;
+close;
+
+// Given data
+Pbuspower=500;              // Power supplied
+Pind=200;                   // Induction motor power
+PF=0.852;                   // Percent power factor
+NA=2;                       // Number of alternators
+LPF=0.94;                   // Lagging power factor
+
+// (a) Active and reactive components of the bus load 
+Pbus=Pbuspower+Pind*PF;      // Active component of the bus load
+ThetaMot=acosd(PF);          // Power angle of motor
+Qbus=Pind*sind(ThetaMot);    // Reactive component the bus load
+
+// (b) Reactive power supplied by each machine
+Pa=Pbus/NA;                  // Alternator A power
+ThetaA=acosd(LPF);           // Alternator A angle
+Qa=tand(ThetaA)*Pa;          // Reactive power supplied by machine A
+Qb=Qbus-Qa;                  // Reactive power supplied by machine B                 
+
+
+// Display result on command window
+printf("\n Active component of the bus load = %0.2f kW ",Pbus);
+printf("\n Reactive component of the bus load  = %0.1f kvar",Qbus);
+printf("\n Reactive power supplied by machine A = %0.1f kvar",Qa);
+printf("\n Reactive power supplied by machine B = %0.1f kvar",Qb);