A balanced, three-phase circuit is characterized as follows: Y-A connected; ● ● ● Source voltage in the a-phase is 15020 V; Source phase is with negative sequence; Line impedance is 2 + j3 2/0; Load impedance is 129 +j171 2/4. a) Draw the single phase equivalent for the a-phase. b) Calculate the three line currents IaA, IbB, and Icc. c) Calculate the three phase voltages at the load, VAB, VBC, and VCA. d) Calculate the phase currents of the load, IAB, IBC, and ICA.

A balanced, three-phase circuit is characterized as follows: Y-A connected; ● ● ● Source voltage in the a-phase is 15020 V; Source phase is with negative sequence; Line impedance is 2 + j3 2/0; Load impedance is 129 +j171 2/4. a) Draw the single phase equivalent for the a-phase. b) Calculate the three line currents IaA, IbB, and Icc. c) Calculate the three phase voltages at the load, VAB, VBC, and VCA. d) Calculate the phase currents of the load, IAB, IBC, and ICA.

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 2.52P: A balanced three-phase load is connected to a 4.16-kV, three-phase, fourwire, grounded-wye dedicated...

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