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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.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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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.
Transcribed Image Text: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.
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