-150 kVA, 440 V, 50 Hz, star-connected diesel generator has armature reaction 1.6Q when it is supplying rated current at 0.8 p.f lagging. If the armature resistance is 0.3 and self-reactance half the effect of armature reaction determine (a) the no-load voltage when the load is disconnected and (b) the no-load voltage when the alternator terminals are short circuited.

-150 kVA, 440 V, 50 Hz, star-connected diesel generator has armature reaction 1.6Q when it is supplying rated current at 0.8 p.f lagging. If the armature resistance is 0.3 and self-reactance half the effect of armature reaction determine (a) the no-load voltage when the load is disconnected and (b) the no-load voltage when the alternator terminals are short circuited.

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 2.21P: An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor...

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