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3. Given a circuit with an applied voltage v(t)= 340 sin (wt -60°) V and a resulting current i(t) = 13.3 sin (wt -48.7°) A. Determine the complete power triangle: P, Q, p.f.

3. Given a circuit with an applied voltage v(t)= 340 sin (wt -60°) V and a resulting current i(t) = 13.3 sin (wt -48.7°) A. Determine the complete power triangle: P, Q, p.f.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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3. Given a circuit with an applied voltage v(t)= 340 sin (wt -60°) V and a resulting current i(t) = 13.3 sin (wt -48.7°) A. Determine the complete power triangle: P, Q, p.f. 4. A two-element series circuit with R = 5.0 ohms and X₁ = 15.0 ohms, has an effective voltage 31.6V across the resistance. Find the complex power and the power factor. 5. Determine the circuit impedance which has a complex power S=5031 /-26.57° VA for an applied phasor voltage 212.1 /0⁰ V. 6. Determine the impedance corresponding to apparent power 3500 VA, power factor 0.76 lagging, and effective current 18.0 A.
Transcribed Image Text:3. Given a circuit with an applied voltage v(t)= 340 sin (wt -60°) V and a resulting current i(t) = 13.3 sin (wt -48.7°) A. Determine the complete power triangle: P, Q, p.f. 4. A two-element series circuit with R = 5.0 ohms and X₁ = 15.0 ohms, has an effective voltage 31.6V across the resistance. Find the complex power and the power factor. 5. Determine the circuit impedance which has a complex power S=5031 /-26.57° VA for an applied phasor voltage 212.1 /0⁰ V. 6. Determine the impedance corresponding to apparent power 3500 VA, power factor 0.76 lagging, and effective current 18.0 A.
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