The phase voltage at the terminals of a balanced three-phase Y-connected load is 2400V. The load has an impedance of 16+ j120/ø and is fed from a line having an impedance of 0.10+ j0.800/ø. The Y-connected source at the sending end of the line has a phase sequence of acb and an internal impedance of 0.02+ j0.16N/ø. Use the a-phase voltage at the load as the reference and calculate (a) the line currents laA, lbb and Icc; (b) the line voltages at the source, Vab, Vbc and Vca. (c) the internal phase-to-neutral voltages at the source, Va'n, Vb'n and Ven.

The phase voltage at the terminals of a balanced three-phase Y-connected load is 2400V. The load has an impedance of 16+ j120/ø and is fed from a line having an impedance of 0.10+ j0.800/ø. The Y-connected source at the sending end of the line has a phase sequence of acb and an internal impedance of 0.02+ j0.16N/ø. Use the a-phase voltage at the load as the reference and calculate (a) the line currents laA, lbb and Icc; (b) the line voltages at the source, Vab, Vbc and Vca. (c) the internal phase-to-neutral voltages at the source, Va'n, Vb'n and Ven.

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 2.43P: A three-phase line, which has an impedance of (2+j4) per phase, feeds two balanced three-phase loads...

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