Problem-4, A field excitation of 20 A in a certain alternator results in an armature current of 400 A in short circuit and a terminal voltage of 2000 V on open circuit. What is the magnitude of the internal voltage drop within the machine at a load current of 200 A.

Problem-4, A field excitation of 20 A in a certain alternator results in an armature current of 400 A in short circuit and a terminal voltage of 2000 V on open circuit. What is the magnitude of the internal voltage drop within the machine at a load current of 200 A.

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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Question

Problem-4, A field excitation of 20 A in a certain
alternator results in an armature current of 400 A in
short circuit and a terminal voltage of 2000 V on open
circuit. What is the magnitude of the internal voltage
drop within the machine at a load current of 200 A.

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