12 kVA, 440V, 60HZ, 4 pole Y-connected synchronous generator pole winding resistance 40, armature winding impedance It is 0.02 + j1.2n / 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. d) Draw the phasor diagram.

12 kVA, 440V, 60HZ, 4 pole Y-connected synchronous generator pole winding resistance 40, armature winding impedance It is 0.02 + j1.2n / 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. d) Draw the phasor diagram.

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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