
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Transcribed Image Text:Circuit analysis using phasor/impedance, complex power calculation: A three-phase RLC circuit
is shown below. The reactance of the capacitor is 40 Ohm. The reactance of the inductor is 80 Ohm, and the
resistor is 8 Ohm. The sending end voltage is v₁ (t) = √2³45 cos(wt + 7) kV, where w = 2 · 60 rad/s. The
receiving end voltage is v2(t) = √√2³45 cos(wt) kV. The power base is 1000 MVA and the voltage base (L-L) is
345 kV.
• Please compute total transferred complex power S₁ and S₂ in the physical unit.
• Please draw a per-phase phasor/impedance diagram using per unit values.
• Please compute the per unit complex power S₁ and S₂.
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Step 1: Summarize the given information.
VIEW Step 2: Calculating the total impedance seen from the source side.
VIEW Step 3: Calculating the current supplied from the source side.
VIEW Step 4: Determining the values of complex powers.
VIEW Step 5: Determining the per unit complex powers.
VIEW Step 6: Calculating the per unit impedance.
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