3. Three-wye connected load impedances, z, = 30 + j40 Q. z, = 30 - j40 2 and z, 20 - j15 Q, are connected to an abc-sequence, balanced three-phase, wye-connected source with a line voltage of 400 V. A conductor of impedance j2 Q is used to connect together the neutral points of the source and the load. The line impedance per phase is j4 N. Calculate the load phase currents and voltages, and the voltage drop in the neutral wire.

3. Three-wye connected load impedances, z, = 30 + j40 Q. z, = 30 - j40 2 and z, 20 - j15 Q, are connected to an abc-sequence, balanced three-phase, wye-connected source with a line voltage of 400 V. A conductor of impedance j2 Q is used to connect together the neutral points of the source and the load. The line impedance per phase is j4 N. Calculate the load phase currents and voltages, and the voltage drop in the neutral wire.

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 2.42P: A balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase...

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