4. A 2008 -kVA, 3-phase, 8-pole alternator runs at 750 rpm in parallel with other machines on 6,008 V bus-bars. Find the (a) No-load phase voltage in kV; (b) the synchronizing power on full- load 0.8 pf lagging per mechanical degree of displacement and (c) the corresponding synchronizing torque. The synchronous reactance is 6 ohms per phase.
4. A 2008 -kVA, 3-phase, 8-pole alternator runs at 750 rpm in parallel with other machines on 6,008 V bus-bars. Find the (a) No-load phase voltage in kV; (b) the synchronizing power on full- load 0.8 pf lagging per mechanical degree of displacement and (c) the corresponding synchronizing torque. The synchronous reactance is 6 ohms per phase.
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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