A 3-phase, star connected alternator has a line voltage of 11 kV. Its equivalent circuit per phase consists of an open circuit voltage VO in series wih a synchronous reactance of 30 Ω. Draw a phasor diagram for the alternator and determine the minimum value of VO to supply a current of 65 A to an 11kV infinite bus at 0.8 power factor lagging. What is the total input power for this operating condition?

A 3-phase, star connected alternator has a line voltage of 11 kV. Its equivalent circuit per phase consists of an open circuit voltage VO in series wih a synchronous reactance of 30 Ω. Draw a phasor diagram for the alternator and determine the minimum value of VO to supply a current of 65 A to an 11kV infinite bus at 0.8 power factor lagging. What is the total input power for this operating condition?

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 2.48P

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