//Calcualte efficiencies at various loads clc; clear; P=100*(10^3);// Power Input Pc=1000;// Copper Loss Pil=1000;// Iron Loss pf=0.8; deff('y=unity(x)','y=(P*100*x)/((P*x)+Pil+(Pc*(x^2)))')// Unit Power Factor deff('y=pfactor(x)','y=(P*100*x*pf)/((P*pf*x)+Pil+(Pc*(x^2)))')// 0.8 p.f printf('a) Unity power factor efficiencies at \n \n') printf('i) Half of full load = %f percent \n',unity(1/2)) printf('ii) Full load = %f percent \n',unity(1)) printf('iii) (5/4) of full load = %f percent \n \n',unity(5/4)) printf('b) 0.8 power factor efficiencies at \n \n') printf('i) Half of full load = %f percent \n',pfactor(1/2)) printf('ii) Full load = %f percent \n',pfactor(1)) printf('iii) (5/4) of full load = %f percent \n',pfactor(5/4))