A three-phase line feeding a balanced-Y load has one of its phases (Phase b) open. The load neutral is grounded and the unbalanced line currents are XZ80⁰ = [X600] A LX210 Ip = 1b = Where the value for X to be used in the calculation depend on the last digit of your student number. Last digit of your student number 0,3,6 1,4,7 2,58,9 Value of X 12 10 9 Calculate the sequence currents and the neutral current.

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 3.22P: A balanced Y-connected voltage source with Eag=2770volts is applied to a balanced-Y load in parallel...
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x = 9 

A three-phase line feeding a balanced-Y load has one of its phases
(Phase b) open. The load neutral is grounded and the unbalanced line
currents are
Ip = b =
X280⁰
LX21
A
Where the value for X to be used in the calculation depend on the last digit of
your student number.
1,4,7
2,58,9
Last digit of your student number
0, 3, 6
Value of X
12
10
9
Calculate the sequence currents and the neutral current.
Transcribed Image Text:A three-phase line feeding a balanced-Y load has one of its phases (Phase b) open. The load neutral is grounded and the unbalanced line currents are Ip = b = X280⁰ LX21 A Where the value for X to be used in the calculation depend on the last digit of your student number. 1,4,7 2,58,9 Last digit of your student number 0, 3, 6 Value of X 12 10 9 Calculate the sequence currents and the neutral current.
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