An unbalanced star-connected load is supplied from a 400-V, 3-ph, Y-connected alternator through conductors having impedances of 4 + j3 Q. The load consists of ZA = 15/30 92, ZB = 30/45°22 and Zc = 30/60°02. There is no neutral connection. The phase sequence is ABC with Esc as the reference phasor. Determine the line currents and the voltage between the star-point of the alternator and that of the load. Express your answers in polar form.

An unbalanced star-connected load is supplied from a 400-V, 3-ph, Y-connected alternator through conductors having impedances of 4 + j3 Q. The load consists of ZA = 15/30 92, ZB = 30/45°22 and Zc = 30/60°02. There is no neutral connection. The phase sequence is ABC with Esc as the reference phasor. Determine the line currents and the voltage between the star-point of the alternator and that of the load. Express your answers in polar form.

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 2.52P: A balanced three-phase load is connected to a 4.16-kV, three-phase, fourwire, grounded-wye dedicated...

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