0.1 For each of the following sets of voltage and current, calculate the real and reactive power in the line between networks A and B in the circuit shown. In each case, state whether the power flow is from A to B or vice versa. Also state whether magnetizing vars are being trans- ferred from A to B or vice versa. a) v = 100 cos (wt - 45') V; i = 20 cos (wt + 15°) A. b) v = 100 cos (ot - 45) V; i = 20 cos (ot + 165') A. c) v = 100 cos (wt – 45°) V; i = 20 cos (ot – 105') A. d) v = 100 cos wt V; i = 20 cos (wt + 120°) A. A B WOTE: Also try Chapter Problem 10.1.
0.1 For each of the following sets of voltage and current, calculate the real and reactive power in the line between networks A and B in the circuit shown. In each case, state whether the power flow is from A to B or vice versa. Also state whether magnetizing vars are being trans- ferred from A to B or vice versa. a) v = 100 cos (wt - 45') V; i = 20 cos (wt + 15°) A. b) v = 100 cos (ot - 45) V; i = 20 cos (ot + 165') A. c) v = 100 cos (wt – 45°) V; i = 20 cos (ot – 105') A. d) v = 100 cos wt V; i = 20 cos (wt + 120°) A. A B WOTE: Also try Chapter Problem 10.1.
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 2.18P: Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of...
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Follow-up Question
Compute the power factor and the reactive factor
for the network inside the box in Fig. 10.6,
whose voltage and current are described in
Example 10.1.
Hint: Use -i to calculate the power and reactive
factors
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