//Caption:Calculate the value of iron loss and copper loss which will give max efficiency and also the max efficiency //Exa:3.29 clc; clear; close; KVA=25; P_iron=350;//in watts //For max efficiency P_iron=P_cu P_cu=P_iron; disp(P_iron,'Iron loss (in watts)='); disp(P_cu,'Copper Loss (in watts)='); Eff=KVA*1000/(KVA*1000+P_iron+P_cu); disp(Eff*100,'Maximum Efficiency (in %)=');