Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Question
THREE PHASE SYSTEMS
Three equal star-connected inductors take 8 W at a power factor of 0.8 lagging when connected across a 460 V, three phase, three wire supply. Determine the following: (a) The line current. (b) The phase current. (c) The phase voltage. (d) The impedance in ohm of each coil. (Polar form) (e) The value of the resistance in ohm of each coil. (f) The value of the reactance in ohm of each coil. (g) The power in each phase in W, when a watt meter is connected in eac phases. the
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Transcribed Image Text:Three equal star-connected inductors take 8 W at a power factor of 0.8 lagging when connected across a 460 V, three phase, three wire supply. Determine the following: (a) The line current. (b) The phase current. (c) The phase voltage. (d) The impedance in ohm of each coil. (Polar form) (e) The value of the resistance in ohm of each coil. (f) The value of the reactance in ohm of each coil. (g) The power in each phase in W, when a watt meter is connected in eac phases. the
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