Answered: R www mm moon R (4)'A V₂(1) V3(1)

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Electrical Engineering

R www mm moon R (4)'A V₂(1) V3(1)

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 2.8P: Consider the circuit shown in Figure 2.23 in time domain. Convert the entire circuit into phasor...

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Question

The voltages are v1(t) = 100 cos(wt), v2(t) = 100 cos(wt+pi/18) and v3(t) = 100 cos(wt+pi/36). The circuit is in sinusoidal steady state, and P << wL. P1, P2 and P3 are the average power outputs. Which of the following statements is true?
1) P1 = P2 = P3 = 0
2) P1 < 0, P2 > 0, and P3 > 0
3) P1 < 0, P2 > 0, and P3 < 0
4) P1 > 0, P2 < 0, and P3 > 0

Prove with detailed steps.

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