A 1200 kVA, 6600 volt, 3-phase, Y-connected alternator has an effective resistance of 0.40 ohm and a reactance of 6 ohms per phase. It delivers full load current of 0.80 lagging power factor at rated voltage. What will be the terminal voltage for the same excitation and load current if the power factor is 0.80 leading? a. 4,560 V b. 9,878 V c. 7,898 V d. 4,250 V

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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A 1200 kVA, 6600 volt, 3-phase, Y-connected alternator has an
effective resistance of 0.40 ohm and a reactance of 6 ohms per
phase. It delivers full load current of 0.80 lagging power factor at
rated voltage. What will be the terminal voltage for the same
excitation and load current if the power factor is 0.80 leading?
a. 4,560 V
b. 9,878 V
c. 7,898 V
d. 4,250 V
Transcribed Image Text:A 1200 kVA, 6600 volt, 3-phase, Y-connected alternator has an effective resistance of 0.40 ohm and a reactance of 6 ohms per phase. It delivers full load current of 0.80 lagging power factor at rated voltage. What will be the terminal voltage for the same excitation and load current if the power factor is 0.80 leading? a. 4,560 V b. 9,878 V c. 7,898 V d. 4,250 V
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