10.3 A 1500 kVA, 6.6 kV, 3-phase, 50 Hz, star-connected Alternator with a resistance of 0.4 2 and a Synchronous reactance of 6 2 per phase delivers full load current at 0.8 pf lagging and at rated voltage. Estimate the terminal voltage for the same excitation and load current at 0.8 pf leading.

10.3 A 1500 kVA, 6.6 kV, 3-phase, 50 Hz, star-connected Alternator with a resistance of 0.4 2 and a Synchronous reactance of 6 2 per phase delivers full load current at 0.8 pf lagging and at rated voltage. Estimate the terminal voltage for the same excitation and load current at 0.8 pf leading.

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

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.3MCQ: The amplitude of the sinusoidal symmetrical ac component of the three-phase short-circuit current of...

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Question

10.3 A 1500 kVA, 6.6 kV, 3-phase, 50 Hz, star-connected Alternator with a
resistance of 0.4 2 and a Synchronous reactance of 6 2 per phase delivers full load
current at 0.8 pf lagging and at rated voltage. Estimate the terminal voltage for the
same excitation and load current at 0.8 pf leading.

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