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+//EXAMPLE 27.12
+//ARMATURE
+
+clc;
+funcprot(0);
+
+//Variable Initialisation
+P=4;.....//Total number of poles
+N=1500;...//Speed in rpm
+Ia=150;.........//Current in Amperes
+Cs=64;.........//Total number of commutator segments
+Wb=1.2;.......//Brush span in segments
+L=0.05;........//Inductance of each armature in Mili Henry
+Al=P;.........//Total nmber of parallel paths for a lap wound generator
+
+I=Ia/Al;.......//Current per coil in Ampere
+
+v=Cs*(N/60);.......//Peripheral velocity in segments/sec
+Tc=Wb/v;...........//Time for each commutation in seconds
+El=L*10^-3*2*I/Tc;..........//Reactance voltage for linear commutation in Volts
+disp(El,"Reactance voltage for linear commutation in Volts:");
+
+Es=1.11*El;...............//Reactance voltage for sinusoidal commutation in Volts
+disp(Es,"Reactance voltage for sinusoidal commutation in Volts:");