Q2. The current lca in a balanced 3-phase A-connected load is 16 < -45°. If the phase sequence is positive, what is the value of lee?
Q2. The current lca in a balanced 3-phase A-connected load is 16 < -45°. If the phase sequence is positive, what is the value of lee?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Q1. A balanced three-phase Y-connected generator with positive sequence has an impedance of
0.4 + j1.20/p and an internal voltage of 240V. The generator feeds a balanced three-phase A-
connected load having an impedance of 120.5 + j95.5n/p.The impedance of the line connecting
the generator to the load is 0.6 + j0.8N/p.The a-phase internal voltage of the generator is
specified as the reference phasor.
a) Construct a single-phase equivalent circuit of the three-phase system.
b) Calculate the line currents and
c) Calculate the phase voltages at the load terminals.
d) Calculate the phase currents of the load.
e) Calculate the line voltages at the source terminals.
02. The current Ica in a balanced 3-phase A-connected load is 16 < -45°. If the phase sequence
is positive, what is the value of Icc?
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