Question: 6 . 1 2 A 3 , 1 0 kVA, 2 2 0 V , Y - connected synchronous generator has Ra = 0 :

6.12 A 3,10 kVA, 220 V, Y-connected synchronous generator has Ra =0:25 per phase and Xs =5:0 per phase. Determine the excitation voltage, Ef, when the generator is delivering full load at power factor of (a)0.85 lagging. (b)1.0 unity. (c)0.8 leading

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