A 3-phase, 4-wire system supplies an unbalanced load. The positive and the negative sequence components of the current in line A are as follows: Ia1 = 75.61cis (55.60°) A; la2 = 152.88 cis(-30.5)° A. The current in the neutral wire is 121.72cis (91.34°) A. Determine the current in line B.

A 3-phase, 4-wire system supplies an unbalanced load. The positive and the negative sequence components of the current in line A are as follows: Ia1 = 75.61cis (55.60°) A; la2 = 152.88 cis(-30.5)° A. The current in the neutral wire is 121.72cis (91.34°) A. Determine the current in line B.

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

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.29MCQ

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A 3-phase, 4-wire system supplies an unbalanced load. The positive and the negative sequence
components of the current in line A are as follows: Ia1 = 75.61cis (55.60°) A; la2 = 152.88 cis(-30.5)°
A. The current in the neutral wire is 121.72cis (91.34°) A. Determine the current in line B.

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