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Question 3 An unbalanced, three -phase, three-wire, star-connected load is supplied from a balanced three phase source with at 380 V,50 Hz. The phase sequence impedances of the load are the following: Za =28437°0 Zb=15 L-78° Q Z =20 Z83° Q Use Millman's theorem and determine the voltage in each phase of the load. Take Ea as reference, with a negative phase sequence.

Question 3 An unbalanced, three -phase, three-wire, star-connected load is supplied from a balanced three phase source with at 380 V,50 Hz. The phase sequence impedances of the load are the following: Za =28437°0 Zb=15 L-78° Q Z =20 Z83° Q Use Millman's theorem and determine the voltage in each phase of the load. Take Ea as reference, with a negative phase sequence.

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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Question 3 An unbalanced, three -phase, three-wire, star-connected load is supplied from a balanced three phase source with at 380 V,50 Hz. The phase sequence impedances of the load are the following: Za =28437°0 Zb=15 L-78° Q Z. =20 Z83° 0 Use Millman's theorem and determine the voltage in each phase of the load. Take Ea as reference, with a negative phase sequence.
Transcribed Image Text:Question 3 An unbalanced, three -phase, three-wire, star-connected load is supplied from a balanced three phase source with at 380 V,50 Hz. The phase sequence impedances of the load are the following: Za =28437°0 Zb=15 L-78° Q Z. =20 Z83° 0 Use Millman's theorem and determine the voltage in each phase of the load. Take Ea as reference, with a negative phase sequence.
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