Q3 , Zl2 = 0-012+ jo.02 R2, Xm 218001 Zlia 1-2 +32.0 Iz = 200 Leo u Z2= IZLI Lcos' (Pf) Iz = I2 = Iz te Ez = Jz+ Iz Zl2 Is = In't Im - Vi = Ēi + II Zl1
no load current is also to be
considered because magnetizing reactance is not neglected..
E2 4900 E22 240 shifting Zz to High Volfase side, I = 7 2 2 (6.0124 50.02) - (48 +58) P 70.05) secondary current Iz = 2 Vz_ LE Cog' (0-9) RE 240125.84 = 1601-25.84* A → In = Secondary. Current referred to promosy Il = K I → IR = 0.05x160122584 - 81-25849 The elephalent arcuot ref to promary is M Mi ambao W K 4800 120 joten voor l Moglalt open) consider a node at and its voltase is VA- voltare at @ =VA = + I Z → VA = 480018 + 81-95-840 (4.8+18) VA - 4862.62792048 V Now, No load Current ID - xm = 11800 => I. = 4.70144-89.951° By applying ka at nade ® = Ls + $] = q = 2.7014 L=89-751*+ 86-25-840 = 9.51121-40.500 A Now voltase at promasy v = 1 Z+VA : Vi = 9.sukk40.58 (1.2 +j2) +48626232048° » V, = 4883.734 40.560 V ( Input voltase/vi/=4889.734 ~