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A balanced Y-connected load with a phase impedance of 40 + j50 supplied by a balanced, positive sequence A-connected source with a line voltage of 210 V. Calculate the phase currents. Use Vab as reference.

A balanced Y-connected load with a phase impedance of 40 + j50 supplied by a balanced, positive sequence A-connected source with a line voltage of 210 V. Calculate the phase currents. Use Vab as reference.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A balanced Y-connected load with a phase impedance of 40 + j50 is supplied by a balanced, positive sequence A-connected source with a line voltage of 210 V. Calculate the phase currents. Use Vab as reference.
Transcribed Image Text:A balanced Y-connected load with a phase impedance of 40 + j50 is supplied by a balanced, positive sequence A-connected source with a line voltage of 210 V. Calculate the phase currents. Use Vab as reference.
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In a balanced load each phase displaced by 120° apart. The phase current in b phase becomes, Ibn = an <120°, val = 1.89/120° -81.34°, bn = 1.8938.66° A. Similarly the phase c current is, cn = bn <120°, Ion=1.89/120° +36.66°, Icn = 1.89156.66° A.
Transcribed Image Text:In a balanced load each phase displaced by 120° apart. The phase current in b phase becomes, Ibn = an <120°, val = 1.89/120° -81.34°, bn = 1.8938.66° A. Similarly the phase c current is, cn = bn <120°, Ion=1.89/120° +36.66°, Icn = 1.89156.66° A.
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