12 kVA, 440V, 60HZ, 4 pole Y-connected synchronous generator pole winding resistance 40, armature winding impedance It is 0.02 + j1.20/ phase. When the alternator is working at full load, its power coefficient is 0.8 forward and excitation current 3A. Returns Since it is 8o0w, under these conditions; a) Find the induced voltage (Ef). b) Calculate the voltage regulation. c) Calculate the efficiency of the alternator.

12 kVA, 440V, 60HZ, 4 pole Y-connected synchronous generator pole winding resistance 40, armature winding impedance It is 0.02 + j1.20/ phase. When the alternator is working at full load, its power coefficient is 0.8 forward and excitation current 3A. Returns Since it is 8o0w, under these conditions; a) Find the induced voltage (Ef). b) Calculate the voltage regulation. c) Calculate the efficiency of the alternator.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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