Part A - Calculating average power, reactive power, and the power factor A load absorbs S = 18 kVA at a leading power factor of pf = 0.90. Use this information to calculate the average (P) and reactive (Q) power for the load. Enter comma separated numerical answers with three significant figures. ▸ View Available Hint(s) P, Q = Submit ΑΣΦ|1| vec ? kW, KVAR

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Learning Goal:
To use information about the power provided by a source or absorbed
by a load to calculate average power, reactive power, apparent
power, and the power factor.
Before completing this tutorial, make sure you are familiar with the
relationships between average, reactive, and apparent power and the
power factor.
Part A - Calculating average power, reactive power, and the power factor
A load absorbs S = 18 kVA at a leading power factor of pf = 0.90. Use this information to calculate the average (P) and reactive (Q) power for the load.
Enter comma separated numerical answers with three significant figures.
► View Available Hint(s)
P, Q =
Submit
Part B - Calculating apparent power and power factor
S, pf =
Submit
V ΑΣΦ ↓↑
A load operates at a voltage of V = 100 V-rms and absorbs P = 70 W and Q = 37 VAR of power. Use this information to calculate the apparent power (S) and
the power factor (pf) for the load.
Enter comma separated numerical answers with three significant figures.
► View Available Hint(s)
Z =
V
Submit
ΑΣΦ
vec
Part C - Calculating load impedance
V ΑΣΦ
vec
vec
w
?
A load absorbs 45403 W at a lagging power factor of pf = 0.57. If the current flowing through the load is i = 0.001 A-rms, determine the impedance of the load.
Enter a complex number with three significant figures.
► View Available Hint(s)
?
?
kW, KVAR
Ω
VA, no unit
Transcribed Image Text:Learning Goal: To use information about the power provided by a source or absorbed by a load to calculate average power, reactive power, apparent power, and the power factor. Before completing this tutorial, make sure you are familiar with the relationships between average, reactive, and apparent power and the power factor. Part A - Calculating average power, reactive power, and the power factor A load absorbs S = 18 kVA at a leading power factor of pf = 0.90. Use this information to calculate the average (P) and reactive (Q) power for the load. Enter comma separated numerical answers with three significant figures. ► View Available Hint(s) P, Q = Submit Part B - Calculating apparent power and power factor S, pf = Submit V ΑΣΦ ↓↑ A load operates at a voltage of V = 100 V-rms and absorbs P = 70 W and Q = 37 VAR of power. Use this information to calculate the apparent power (S) and the power factor (pf) for the load. Enter comma separated numerical answers with three significant figures. ► View Available Hint(s) Z = V Submit ΑΣΦ vec Part C - Calculating load impedance V ΑΣΦ vec vec w ? A load absorbs 45403 W at a lagging power factor of pf = 0.57. If the current flowing through the load is i = 0.001 A-rms, determine the impedance of the load. Enter a complex number with three significant figures. ► View Available Hint(s) ? ? kW, KVAR Ω VA, no unit
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