in As in Example 2.5, a balanced-Y-connected voltage source with Eab = 480/0° volts is applied to a balanced-A load with ZA = 30/40° 2. The line impedance between the source and load is ZL = 1/85° for each phase. Calculate the per-unit and actual current in phase a of the line using Stase3 = 10 kVA and VbaseLL = 480 volts. %3D Z. C a Eon Eun Z, = + b. Z = 1/85° 2

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 2.22MCQ: In a balanced three-phase Y-connected system with a positive-sequence source, the line-to-line...
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EXAMPLE 3.5
Per-unit and actual currents in balanced three-phase networks
As in Example 2.5, a balanced-Y-connected voltage source with Egb = 480/0°
volts is applied to a balanced-A load with ZA = 30/40° 2. The line impedance
between the source and load is ZL = 1/85° 2 for each phase. Calculate the
per-unit and actual current in phase a of the line using Stase3s = 10 kVA and
VbaseLL = 480 volts.
Z.
a
Eon
N.
Eun
/40°
Z = 1/85° N
Transcribed Image Text:EXAMPLE 3.5 Per-unit and actual currents in balanced three-phase networks As in Example 2.5, a balanced-Y-connected voltage source with Egb = 480/0° volts is applied to a balanced-A load with ZA = 30/40° 2. The line impedance between the source and load is ZL = 1/85° 2 for each phase. Calculate the per-unit and actual current in phase a of the line using Stase3s = 10 kVA and VbaseLL = 480 volts. Z. a Eon N. Eun /40° Z = 1/85° N
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