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I. Two electric loads are connected in parallel to a source of value u(t) = 300...
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...
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...
Electrical Engineering Question 2. Three loads are connected in parallel across a source as shown. Load...
Electrical Engineering Question
2. Three loads are connected in parallel across a source as shown. Load 1 absorbs 7 kW and 8 KVAR. Load 2 absorbs 10 KVA at a lagging p.f. of 0.6. Load 3 absorbs 10 kW at a leading p.f. of 0.5. a) Find the total complex power absorbed by the three loads. 10.12 b) If V. = 12020° Vrms, find V, in polar form.
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...
1. (10 points total) A source supplies power to the following three loads connected in parallel:...
1. (10 points total) A source supplies power to the following three loads connected in parallel: (1) a lighting load drawing 10 kW, (2) an induction motor drawing 10 kVA at 0.90 power factor lagging, and (3) a synchronous motor operating at 10 hp, 85% efficiency and 0.95 power factor leading (1 hp 0.746 kW). (a) Determine the real, reactive, and apparent power delivered by the source. (8 points)
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...
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...
A 240V three phase power system supplies two loads in parallel: Load 1: measured line current...
A 240V three phase power system supplies two loads in parallel: Load 1: measured line current 30A, power factor 0.85 lagging, and Load 2: measured power 10kW, reactive power -7.5kVar A. Determine the power factor of load 2. B. Determine the total real power (in kW), reactive power (in kVAR), apparent power (in kVA), power factor and line current (in A) of the two loads.
(30) In the circuit with a voltage source and two loads below, find the following: 2....
(30) In the circuit with a voltage source and two loads below, find the following: 2. The complex power of each load a. b. The total complex power for the two loads - note units of power in the figure c. Sketch the triangle for the total complex power e total current from the source as a phasor assuming the line voltage at the load is 20820 VRMS The value of the parallel capacitance in parallel with the two loads...
Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply....
Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply. The load-1 is a resistive load (lamp) with a total power of 5 kW. The load-2 is a motor drawing 10 kVA at 0.6 power factor, lagging. The capacitor is initially not connected a) Calculate the load currents (phasor) I and 12 14] b) Calculate the supply current I c) What is the power factor of the source when it supplies to both loads?...
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...
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...
Electrical Engineering Question
2. Three loads are connected in parallel across a source as shown. Load 1 absorbs 7 kW and 8 KVAR. Load 2 absorbs 10 KVA at a lagging p.f. of 0.6. Load 3 absorbs 10 kW at a leading p.f. of 0.5. a) Find the total complex power absorbed by the three loads. 10.12 b) If V. = 12020° Vrms, find V, in polar form.
1. (10 points total) A source supplies power to the following three loads connected in parallel: (1) a lighting load drawing 10 kW, (2) an induction motor drawing 10 kVA at 0.90 power factor lagging, and (3) a synchronous motor operating at 10 hp, 85% efficiency and 0.95 power factor leading (1 hp 0.746 kW). (a) Determine the real, reactive, and apparent power delivered by the source. (8 points)
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...
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...
A 240V three phase power system supplies two loads in parallel: Load 1: measured line current 30A, power factor 0.85 lagging, and Load 2: measured power 10kW, reactive power -7.5kVar A. Determine the power factor of load 2. B. Determine the total real power (in kW), reactive power (in kVAR), apparent power (in kVA), power factor and line current (in A) of the two loads.
(30) In the circuit with a voltage source and two loads below, find the following: 2. The complex power of each load a. b. The total complex power for the two loads - note units of power in the figure c. Sketch the triangle for the total complex power e total current from the source as a phasor assuming the line voltage at the load is 20820 VRMS The value of the parallel capacitance in parallel with the two loads...
Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply. The load-1 is a resistive load (lamp) with a total power of 5 kW. The load-2 is a motor drawing 10 kVA at 0.6 power factor, lagging. The capacitor is initially not connected a) Calculate the load currents (phasor) I and 12 14] b) Calculate the supply current I c) What is the power factor of the source when it supplies to both loads?...
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