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//CHAPTER 8- DIRECT CURRENT MACHINES
//Example 13
disp("CHAPTER 8");
disp("EXAMPLE 13");
//VARIABLE INITIALIZATION
P=4; //number of poles
v_t=220; //in Volts
I_l=42; //load current in Amperes
r_a=0.1; //in Ohms
r_f=110; //in Ohms
drop=1; //contact drop per brush
//SOLUTION
//solution (i)
A=P; //for lap winding
I_f=v_t/r_f; //I_f is same as I_sh
I_a=I_l+I_f;
I_c=I_a/A; //conductor current
disp(sprintf("The current in each conductor of the armature is %d A",I_c));
//solution (ii)
v_a=I_a*r_a; //armature voltage drop
v_b=2*drop; //brush drop
emf=v_t+v_a+v_b;
disp(sprintf("The total emf generated is %f V",emf));
//END
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