Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter27: Single-phase Transformers
Section: Chapter Questions
Problem 4PP
Related questions
Question
Understand ac power concepts, their relationships to one another, and how to calcuate them in a circuit
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 transferred
from A to B or vice versa.
v=100 cos (ωt−45°) V;i=20 cos (ωt−105°) A.
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