A balanced wye-connected three-phase source has line-to-neutral of 220 Vrms. This source is applied to a delta- connected load, each arm of which consists of a 20 22 resistance in parallel with a +j 15 2. Assume the line impedance is zero, calculate: a) The rms line-to-line voltage. b) The rms line current magnitude. c) The total power delivered to the load. d) The power factor of the load, and state whether it is leading or lagging.

A balanced wye-connected three-phase source has line-to-neutral of 220 Vrms. This source is applied to a delta- connected load, each arm of which consists of a 20 22 resistance in parallel with a +j 15 2. Assume the line impedance is zero, calculate: a) The rms line-to-line voltage. b) The rms line current magnitude. c) The total power delivered to the load. d) The power factor of the load, and state whether it is leading or lagging.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.13MCQ

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