//EXAMPLE 27.11 //DC MACHINE clc; funcprot(0); //Variable Initialisation Cs=55;.........//Total number of commutator segments rpm=900;........//Total number of revolutions per minute Wb=1.74;.........//Brush width in commutator segments L=153*10^-6;..........//Coefficient of self-induction in Henry I=27;.............//Current per coil in Amperes v=Cs*(rpm/60);.......//Peripheral velocity in segments/sec Tc=Wb/v;...........//ime for each commutation in seconds r1=round(Tc*100000)/100000;.......//Rounding of decimal places E=L*2*I/r1;..........//Reactance voltage in Volts r=round(E*1000)/1000;.....//Rounding of decimal places disp(r,"Reactance voltage in Volts:");