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An unbalanced three-phase wye-connected and grounded load is connected to a balanced three- phase four-wire source. The load impedances Z, Z, and Z, are given as 70 430°, 85-40°, and 50 235° Q/phase, respectively, and the phase a line voltage has an effective value of 13.8 kV: use the line-to-neutral voltage of phase a as the reference and determine the following: The line and neutral currents.

An unbalanced three-phase wye-connected and grounded load is connected to a balanced three- phase four-wire source. The load impedances Z, Z, and Z, are given as 70 430°, 85-40°, and 50 235° Q/phase, respectively, and the phase a line voltage has an effective value of 13.8 kV: use the line-to-neutral voltage of phase a as the reference and determine the following: The line and neutral currents.

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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An unbalanced three-phase wye-connected and grounded load is connected to a balanced three- phase four-wire source. The load impedances Z, Z, and Z, are given as 70 230°, 85 L-40°, and 50 235° 2/phase, respectively, and the phase a line voltage has an effective value of 13.8 kV: use the line-to-neutral voltage of phase a as the reference and determine the following: The line and neutral currents. 113.823 L-450 93.737 L-000 150.353 L-2700 113.823 L-60° 93.737 L-000 159.353 L-2850 113.823 L-300 93.737 L-800 150.353 L-275o None
Transcribed Image Text:An unbalanced three-phase wye-connected and grounded load is connected to a balanced three- phase four-wire source. The load impedances Z, Z, and Z, are given as 70 230°, 85 L-40°, and 50 235° 2/phase, respectively, and the phase a line voltage has an effective value of 13.8 kV: use the line-to-neutral voltage of phase a as the reference and determine the following: The line and neutral currents. 113.823 L-450 93.737 L-000 150.353 L-2700 113.823 L-60° 93.737 L-000 159.353 L-2850 113.823 L-300 93.737 L-800 150.353 L-275o None
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