1. A balanced delta-connected lood with impedance per phase of 30<30 ohms is connected to an abc-sequence balanced three-phase source with eAC = -120√2 cos (120πt - π/6) V through conductors with negligible impedances. Determine the line currents, load phase currents and the total complex power drawn by the lood. Write your values in polar form. 2. Determine the load phase currents and phase voltages for the three-phase circuit in item #1 when the line impedance per phase is 4+ 13 ohms. Write your values in polar form.

1. A balanced delta-connected lood with impedance per phase of 30<30 ohms is connected to an abc-sequence balanced three-phase source with eAC = -120√2 cos (120πt - π/6) V through conductors with negligible impedances. Determine the line currents, load phase currents and the total complex power drawn by the lood. Write your values in polar form. 2. Determine the load phase currents and phase voltages for the three-phase circuit in item #1 when the line impedance per phase is 4+ 13 ohms. Write your values in polar form.

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 2.14MCQ: The instantaneous power absorbed by the load in a single-phase ac circuit, for a general R LC load...

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