Consider the two loads in the
circuit in (Figure 1). Load #1 (L1) absorbs S = 56 VA at a lagging
power factor of pf = 0.61. Load #2 (L2) absorbs P2 = 56 W and Q2 =
1 VAR of power. If these loads are powered by a V = 425 V−rms ,
60-Hz source, what impedance needs to be added to the circuit in
order to raise the source's power factor to unity? Express your
answer in rectangular complex form to three significant
figures.
Homework Answers
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Consider the two loads in the
circuit in (Figure 1). Load #1 (L1) absorbs S =...
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Power Calculations 4 of 4 Review Learning Goal In this trial, you will practice the callation...
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A generator is supplying two loads at 2800V and 60 Hz. The loads are: Load 1:...
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VO) L1 L2 Line VO LI Power Calculations Learning Goal: In this tutorial, you will practice the calculation of power in circuits containing loads, including the effects of non-ideal transmission lines, and practice how to improve the power factor for an entire system. Many appliances (eg., hair dryers, coffee makers, and refrigerators) and industrial loads are powered by AC sources. The ability to be able to calculate their power needs is important in a number of situations. Before completing this...
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OLoad #1 : absorbs-7.5kW,2500TAR load # 3," 12.5a resistor in arallel with an induc tor that has a reactance of So2. Calculate the averg e and 3 reactive power delvered bY L2 Source 2 rMS 2 Loadabsorbs lGkw and 8k VAR Load#2 : alosorbS lOkVA at o.cpf lead Load 3 absorks gKw at unity a) Cal culate ejui valeut impedance of the ircut 2 What is the pf, of the enuivalent load se the Lne's ut Jerminal s
Please show all work and concepts
5.2 (15 pts) In the following circuit, voltage source V 10020° V, 60 Hz supplies power to three load circuits with impedances Z1, Z2, and Z3. The following information was deduced from measurements performed on the three load circuits Load Z1: 45 W at pf 0.95 lagging Load Z2: 70 VA at pf 0.75 leading Load Z3: 100 VA at pf = 0.6 lagging (a) Are Z1, Z2, and Z3 inductive or capacitive? (b)...
Problem 1 A single-phase source is supplying passive loads through two wires. The impedance of each wire is (0.05 + 30.05) 2. The load is connected between the two wires at the far end. The load current is 75 A (rms). a. What is the source voltage that you need in order to have 120 V (rms) across the load when the power factor of the load is unity? b. Repeat for the case where the load power factor is...
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(15 pts.) A voltage source with 115 V rms value, is feeding three loads, which are in parallel to one another. The information about the loads is as follows L1: 200 W, at pf .92 lagging L2: 250 VA, at pf= .81 leading L3: 200 VARs at pf .85 lagging a. (1 point) Show the diagram depicting the given system 5 ะ Jr 2 + b. (6 points) Calculate S, P, Q, and 6 for each of the loads c....
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