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-rwxr-xr-x1938/CH6/EX6.22/6_22.sce22
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+clc,clear
+printf('Example 6.22\n\n')
+
+VA=3.5*10^6
+P=32 //Poles
+Power=2.5*10^6 //In watts
+V_l=6.6*10^3
+phi=acos(0.8)
+I_l=Power/(V_l*cos(phi)*sqrt(3))
+X_d=9.6,X_q=6,R_a=0 //armature resistance and synchronous reactance of direct,quadrature axis
+
+V_t=V_l/sqrt(3)
+psi=atan( (V_t*sin(phi)+I_l*X_q)/(V_t*cos(phi)+I_l*R_a) )
+delta=psi-phi
+I_s=I_l
+I_d=I_s*sin(psi)
+I_q=I_s*cos(psi)
+E_f=V_t*cos(delta)+I_d*X_d+I_q*R_a
+
+regulation=100*(E_f-V_t)/V_t
+printf('percentage regulation is %.2f percent',regulation)
+printf('\nExcitation emf= %.0f V',E_f)