The Pbefore and Pafter value
that I got from part a is both 36.2 kW
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The Pbefore and Pafter value
that I got from part a is both 36.2 kW
1...
A single Phase load draws 10 kW from a 410 V line at a power factor...
A single Phase load draws 10 kW from a 410 V line at a power factor of 0.707 lagging. Determine: (a) The rms current (b) The reactive power required by the load (c) We want to correct the power factor to be 0.9 lagging by adding a capacitor, what will be the new reactive power? (d) draw the power triangle with the old and new reactive powers
1. A renewable energy system delivers 120 kW of three-phase power at 400 V (line-line) to...
1. A renewable energy system delivers 120 kW of three-phase power at 400 V (line-line) to a load with a 0.9 lagging power factor. If each power line has a resistance of R = 0.03 Ω and reactance of X = 0.04 Ω, determine the sending end voltage (line-line) of the three-phase power line connected to the renewable energy system for supplying power to the load. 2. A network service operator found that the voltage rise in a network due...
10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from...
10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from a 120-V rms, 60- Hz line. One load absorbs 1.5 kW at a 0.707 pf lagging. Determine: (a) the pf of the second load, INV 11. Calculate the line currents for the system shown in figure. Calculate also the total power and reactive power consumed by the load. w 12. For the balanced three-phase circuit in Fig.. Calculate the line currents, the phase voltage...
Solved: Find Vo in the network in x + /u/0/?tab=rm&ogbl#inbox?projector=1 7. (a) Use source superposition to...
Solved: Find Vo in the network in x + /u/0/?tab=rm&ogbl#inbox?projector=1 7. (a) Use source superposition to find Vo in the following circuit: 12/ov +-120 2/AC) (b) An industrial load consumes 100 kW at 0.707 pflagging. The 60 H line voltage at the load is 480 4V rms. The transmission-line resistance between the power company transformer and the load is 0.1 22. Determine the power savings that could be obtained if the pf is changed to 0.96 logging 0.10 w 480...
Problem 3 Two parallel 3-phase loads are supplied from a 3-phase source with line-line voltage of...
Problem 3 Two parallel 3-phase loads are supplied from a 3-phase source with line-line voltage of 415.6922 V rms. The data of their power consumption are as follows. Load 1: 15 kVA at power factor of 0.75 lagging Load 2: 9 kW at power factor 0.82 lagging 1) 2) 3) 4) 5) Determine the complex power consumed by Load 1 Find the complex power consumed by Load 2 Calculate the total complex power consumed by the two loads. Determine the...
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...
Problem 24.57 Part A Manufacturing Plant Power A manufacturing plant uses 2.51 kW of electric power...
Problem 24.57 Part A Manufacturing Plant Power A manufacturing plant uses 2.51 kW of electric power provided by a 80.0 Hz ac generator with an rms voltage of 400 V . The plant uses this power to run a number of high-inductance electric motors. The planrs total resistance is R 29.0 Ω and its inductive reactance is XL 40.0 Ω What is the total impedance of the plant? Submit My Answers Gve Up Part B What is the plant's power...
1. A 480 V (rms) source supplies power to two loads connected in parallel. The first...
1. A 480 V (rms) source supplies power to two loads connected in parallel. The first load draws 80 kW and 30 kVAR. The second load draws 100 kVA at a power factor of 0.6 lagging. a) Draw the power triangle for the first load and determine its power factor; b) Determine the current (both magnitude and phase, using the source voltage as the phase reference) drawn by the first load; c) Draw the power triangle for the second load...
Three loads are connected in parallel across a V. = 345 Z0° V (rms) line and...
Three loads are connected in parallel across a V. = 345 Z0° V (rms) line and fed from a line having a series impedance 0.2 + 0.05 12, as shown in (Figure 1). Load 1 absorbs 3 kW at unity power factor; Load 2 absorbs 5 kVA at 0.8 leading; Load 3 absorbs 5 kW and delivers 6 kVAR. Part A Calculate the rms value of the voltage (V3) at the sending end of the line. Figure ① 1 of...
Power Calculations 4 of 4 Review Learning Goal In this trial, you will practice the callation...
Power Calculations 4 of 4 Review Learning Goal In this trial, you will practice the callation of power in circuts cortaring loads, including the effects of non-ideal transmission Ines, and practice how to improve the power factor for an entire system. Many appliancese.. hair dryers, coffee makers, and refrigerators) and indoads are powered by AC sources The folly to be able to calculate the power needs is important ma number of towns. Before completing the Moral make sure you are...
10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from a 120-V rms, 60- Hz line. One load absorbs 1.5 kW at a 0.707 pf lagging. Determine: (a) the pf of the second load, INV 11. Calculate the line currents for the system shown in figure. Calculate also the total power and reactive power consumed by the load. w 12. For the balanced three-phase circuit in Fig.. Calculate the line currents, the phase voltage...
Solved: Find Vo in the network in x + /u/0/?tab=rm&ogbl#inbox?projector=1 7. (a) Use source superposition to find Vo in the following circuit: 12/ov +-120 2/AC) (b) An industrial load consumes 100 kW at 0.707 pflagging. The 60 H line voltage at the load is 480 4V rms. The transmission-line resistance between the power company transformer and the load is 0.1 22. Determine the power savings that could be obtained if the pf is changed to 0.96 logging 0.10 w 480...
Problem 3 Two parallel 3-phase loads are supplied from a 3-phase source with line-line voltage of 415.6922 V rms. The data of their power consumption are as follows. Load 1: 15 kVA at power factor of 0.75 lagging Load 2: 9 kW at power factor 0.82 lagging 1) 2) 3) 4) 5) Determine the complex power consumed by Load 1 Find the complex power consumed by Load 2 Calculate the total complex power consumed by the two loads. Determine the...
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...
Problem 24.57 Part A Manufacturing Plant Power A manufacturing plant uses 2.51 kW of electric power provided by a 80.0 Hz ac generator with an rms voltage of 400 V . The plant uses this power to run a number of high-inductance electric motors. The planrs total resistance is R 29.0 Ω and its inductive reactance is XL 40.0 Ω What is the total impedance of the plant? Submit My Answers Gve Up Part B What is the plant's power...
1. A 480 V (rms) source supplies power to two loads connected in parallel. The first load draws 80 kW and 30 kVAR. The second load draws 100 kVA at a power factor of 0.6 lagging. a) Draw the power triangle for the first load and determine its power factor; b) Determine the current (both magnitude and phase, using the source voltage as the phase reference) drawn by the first load; c) Draw the power triangle for the second load...
Three loads are connected in parallel across a V. = 345 Z0° V (rms) line and fed from a line having a series impedance 0.2 + 0.05 12, as shown in (Figure 1). Load 1 absorbs 3 kW at unity power factor; Load 2 absorbs 5 kVA at 0.8 leading; Load 3 absorbs 5 kW and delivers 6 kVAR. Part A Calculate the rms value of the voltage (V3) at the sending end of the line. Figure ① 1 of...
Power Calculations 4 of 4 Review Learning Goal In this trial, you will practice the callation of power in circuts cortaring loads, including the effects of non-ideal transmission Ines, and practice how to improve the power factor for an entire system. Many appliancese.. hair dryers, coffee makers, and refrigerators) and indoads are powered by AC sources The folly to be able to calculate the power needs is important ma number of towns. Before completing the Moral make sure you are...
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