3.A single phase AC generator has an armature winding resistance and reactance of 0.25 ohm and 2.5 ohms respectively. At rated load, the current delivered is 50 A at 500 V. Determine the generated emf when the load power factor is a. unity b. 0.819 lagging c. 0.766 leading 11:18 AM

3.A single phase AC generator has an armature winding resistance and reactance of 0.25 ohm and 2.5 ohms respectively. At rated load, the current delivered is 50 A at 500 V. Determine the generated emf when the load power factor is a. unity b. 0.819 lagging c. 0.766 leading 11:18 AM

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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Question

3.A single phase AC generator has
an armature winding resistance and
reactance of 0.25 ohm and 2.5 ohms
respectively. At rated load, the current
delivered is 50 A at 500
V. Determine the generated emf when
the load power factor is
a. unity
b. 0.819 lagging
c. 0.766 leading
11:18 AM

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