1. A three-phase four wire 440 V, 50 Hz system supplies to a star-connected load with Z = 10 20°, Z=15230°, and Z, = 102-30°. Find the line currents, the neutral current, and the total power. 3. Two parallel plates which are oppositely charged are placed 5 cm apart. The potential difference, in volts, between the plates is 100 kV. Find the electric field intensity between them.

1. A three-phase four wire 440 V, 50 Hz system supplies to a star-connected load with Z = 10 20°, Z=15230°, and Z, = 102-30°. Find the line currents, the neutral current, and the total power. 3. Two parallel plates which are oppositely charged are placed 5 cm apart. The potential difference, in volts, between the plates is 100 kV. Find the electric field intensity between them.

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

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.22MCQ: Does an open connection permit balanced three-phase operation? - (a) Yes (b) No

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