A 1600KVA, 6.7 kV, 3 phase wye-connected alternator has an effective resistance of 0.50 ohm per phase and a synchronous reactance of 8 ohms per phase. What is the percentage rise in voltage when full rated output at 0.80 lagging power factor at rated voltage is suddenly switched off?
A 1600KVA, 6.7 kV, 3 phase wye-connected alternator has an effective resistance of 0.50 ohm per phase and a synchronous reactance of 8 ohms per phase. What is the percentage rise in voltage when full rated output at 0.80 lagging power factor at rated voltage is suddenly switched off?
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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Transcribed Image Text:A 1600KVA, 6.7 kV, 3 phase wye-connected alternator
has an effective resistance of 0.50 ohm per phase and a
synchronous reactance of 8 ohms per phase. What is the
percentage rise in voltage when full rated output at 0.80
lagging power factor at rated voltage is suddenly
switched off?
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