Find the synchronous impedance and reactance of an alternator in which a given field current produces an armature current of 300A on short-circuit and generated emf of 40V on an open-circuit. The armature resistance is 0.1 ohm. To what induced voltage must the alternator be excited if it is to deliver a load of 100A at pf of lagging, with a terminal voltage of 300V.

Find the synchronous impedance and reactance of an alternator in which a given field current produces an armature current of 300A on short-circuit and generated emf of 40V on an open-circuit. The armature resistance is 0.1 ohm. To what induced voltage must the alternator be excited if it is to deliver a load of 100A at pf of lagging, with a terminal voltage of 300V.

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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