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//CHAPTER 7- SINGLE PHASE TRANSFORMER
//Example 6
disp("CHAPTER 7");
disp("EXAMPLE 6");
//VARIABLE INITIALIZATION
v1=2200; //primary voltage in Volts
v2=220; //secondary voltage in Volts
I=0.6; //exciting current in Amperes
p_c=361; //core loss in Watts
I2=60; //load current in Amperes
pf=0.8; //power factor
//SOLUTION
//solution (a)
I1=p_c/v1; //vertical component of I0
I_phi=sqrt((I^2)-(I1^2)); //horizontal component of I0
disp(sprintf("(a) The core loss component is %f A",I1));
disp(sprintf("And the magnetising component is %f A",I_phi));
//solution (b)
I1_dash=(v2/v1)*I2;
theta=acos(pf);
I1_x=I1_dash*sin(theta)+I_phi; //horizontal component of I0
I1_y=I1_dash*pf+I1; //vertical component of I0
I1_res=sqrt((I1_x^2)+(I1_y^2)); //primary current
pf_p=I1_y/I1_res; //primary power factor
disp(sprintf("(b) The primary current is %f A",I1_res));
disp(sprintf("And the power factor is %f A",pf_p));
//END
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