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A 110-V rms,60-Hz source is applied to a load impedance Z The apparent power entering the...
per phase. The line feeds a balanced delta-connected load, which absorbs a total complex power of...
per phase. The line feeds a balanced delta-connected load, which absorbs a total complex power of 12 + 15 kVA. The line voltage at the load end has A three-phase line has an impedance of 1 + 3 a magnitude of 220 V. References eBook & Resources Section Break Difficulty: Medium Learning Objective: Understanding and analyzing power in balanced three-phase circuits. value: 10.00 points Required information Find the source power factor. The source power factor pf = 327.88.
Two loads, A and B, are connected in parallel across a 1-kV-rms 60-Hz line, as shown...
Two loads, A and B, are connected in parallel
across a 1-kV-rms 60-Hz line, as shown in (Figure 1). Load
Aconsumes 10 kW with a 60 percent lagging power factor.
Load B has an apparent power of 20 kVA with an 80 percent
lagging power factor.
a) Find the power delivered by the source.
b) Find the reactive power delivered by the source.
c) Find the apparent power delivered by the source.
d) What is the power factor seen by...
4. In the circuit below, the impedance Z1 dissipates 10 kW with a power factor of...
4. In the circuit below, the impedance Z1 dissipates 10 kW with a power factor of 0.80 lagging. Z2 draws 14 kVA apparent power with a power factor of 0.70 leading. The frequency of the source is 60 Hz 208 V (rms)- Z1 (a) Determine the impedance Zi. (b) Determine the impedance Z2. (c) Determine the complex power Ssource for the voltage source. (d) Sketch and label the power triangle for each impedance, labeling the lengths of the sides and...
5.1 (15 pts) Refer to the circuit connected to a 120-V rms, 60-Hz voltage source as...
5.1 (15 pts) Refer to the circuit connected to a 120-V rms, 60-Hz voltage source as shown below. (a) What is the power factor? (b) What is the average power dissipation? (c) In (b), what is the value of capacitance that will give a power factor of 0.95 lagging when connected to the load? 10 0 10Ω 50 mH 50 mH
VO) L1 L2 Line VO LI Power Calculations Learning Goal: In this tutorial, you will practice...
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...
1) In the balanced Y-Y circuit shown below, let Van=990<0° V (rms) and the load impedance...
1) In the balanced Y-Y circuit shown below, let Van=990<0° V (rms) and the load impedance per phase be Zy=60+j35 2. Find the complex power, apparent power, average power, and reactive power of the load (25 marks) 110 os os
The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a...
The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a line-to-line voltage of 480 V. The loads are described below: • Load 1: ∆-connected, total three-phase apparent power is 30 kVA at 0.95 power factor lagging. • Load 2: ∆-connected, total three-phase active power is 20 kW at 0.7 power factor lagging. • Load 3: Y-connected, phase current is 30 A, and power factor is 0.9 pf leading. (a) Calculate the total complex power...
Consider the circult shown in the given figure. Assume - 60 Hz Vs - 7020 Vrms,...
Consider the circult shown in the given figure. Assume - 60 Hz Vs - 7020 Vrms, R-18 ohm. C-50 pF, and L - 0.001 H. References eBook & Resources Section Break Problem 07031 value 5.00 points You did not Problem 07.031.a Calculate the apparent power supplied by the voltage source. (Round the final answer to two decimal places.) The apparent power supplied by the voltage source is 732 VA
Consider the two loads in the circuit in (Figure 1). Load #1 (L1) absorbs S =...
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...
A load having impedance Z is fed by a 2-kV, 60-Hz, 3-phase source. The load receives...
A load having impedance Z is fed by a 2-kV, 60-Hz, 3-phase
source. The load receives a current of 10 A which lags the voltage
by 45˚.
a) Draw the power triangle for this circuit with proper
labels.
b) Determine the Reactive Power and the Working Power. Provide
proper units.
Please show all work and be as neat as possible. Thank you.
CurrentI 2-KV 60 Hz Z Load
per phase. The line feeds a balanced delta-connected load, which absorbs a total complex power of 12 + 15 kVA. The line voltage at the load end has A three-phase line has an impedance of 1 + 3 a magnitude of 220 V. References eBook & Resources Section Break Difficulty: Medium Learning Objective: Understanding and analyzing power in balanced three-phase circuits. value: 10.00 points Required information Find the source power factor. The source power factor pf = 327.88.
Two loads, A and B, are connected in parallel
across a 1-kV-rms 60-Hz line, as shown in (Figure 1). Load
Aconsumes 10 kW with a 60 percent lagging power factor.
Load B has an apparent power of 20 kVA with an 80 percent
lagging power factor.
a) Find the power delivered by the source.
b) Find the reactive power delivered by the source.
c) Find the apparent power delivered by the source.
d) What is the power factor seen by...
4. In the circuit below, the impedance Z1 dissipates 10 kW with a power factor of 0.80 lagging. Z2 draws 14 kVA apparent power with a power factor of 0.70 leading. The frequency of the source is 60 Hz 208 V (rms)- Z1 (a) Determine the impedance Zi. (b) Determine the impedance Z2. (c) Determine the complex power Ssource for the voltage source. (d) Sketch and label the power triangle for each impedance, labeling the lengths of the sides and...
5.1 (15 pts) Refer to the circuit connected to a 120-V rms, 60-Hz voltage source as shown below. (a) What is the power factor? (b) What is the average power dissipation? (c) In (b), what is the value of capacitance that will give a power factor of 0.95 lagging when connected to the load? 10 0 10Ω 50 mH 50 mH
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...
1) In the balanced Y-Y circuit shown below, let Van=990<0° V (rms) and the load impedance per phase be Zy=60+j35 2. Find the complex power, apparent power, average power, and reactive power of the load (25 marks) 110 os os
Consider the circult shown in the given figure. Assume - 60 Hz Vs - 7020 Vrms, R-18 ohm. C-50 pF, and L - 0.001 H. References eBook & Resources Section Break Problem 07031 value 5.00 points You did not Problem 07.031.a Calculate the apparent power supplied by the voltage source. (Round the final answer to two decimal places.) The apparent power supplied by the voltage source is 732 VA
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...
A load having impedance Z is fed by a 2-kV, 60-Hz, 3-phase
source. The load receives a current of 10 A which lags the voltage
by 45˚.
a) Draw the power triangle for this circuit with proper
labels.
b) Determine the Reactive Power and the Working Power. Provide
proper units.
Please show all work and be as neat as possible. Thank you.
CurrentI 2-KV 60 Hz Z Load
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