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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°, ZB = 30/45° and Zc = 30/60°. There is no neutral connection. The phase sequence is ABC with EBC 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°, ZB = 30/45° and Zc = 30/60°. There is no neutral connection. The phase sequence is ABC with EBC 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.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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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°, ZB = 30/45° and Zc = 30/60°. There is no neutral connection. The phase sequence is ABC with EBC 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.
Transcribed Image Text: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°, ZB = 30/45° and Zc = 30/60°. There is no neutral connection. The phase sequence is ABC with EBC 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.
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