A current is measured at the neutral ground of a star load, of equal impedances in all three phases. Which of the following conditions is NOT possible? A) The currents in the three phases are equal in magnitude and angle. B)One phase of the supply conductors was left in open circuit. C) The line-to-neutral voltages in the load are equal in magnitude and with 120° phase shifts between them. D) None of the above

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
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.29MCQ
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A current is measured at the neutral ground of a star load, of equal impedances in all three phases. Which of the following conditions is NOT possible?
A) The currents in the three phases are equal in magnitude and angle.
B)One phase of the supply conductors was left in open circuit.
C) The line-to-neutral voltages in the load are equal in magnitude and with 120° phase shifts between them.
D) None of the above

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