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4. In the circuit below, the impedance Z1 dissipates 10 kW with a power factor of...
3- Two balanced Y-connected loads in parallel, one drawing 25 kW at 0.6 power factor lagging...
3- Two balanced Y-connected loads in parallel, one drawing 25 kW at 0.6 power factor lagging and the other drawing 15 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source. (a) Draw the power triangle for each load and for the combined load. (b) Determine the power factor of the combined load and state whether lagging or leading. (c) Determine the magnitude of the line current from the source. (d) ∆- connected capacitors are now...
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...
Please show detailed steps. Thanks Problem # 1: Three Phase Power [35 points] A three-phase substation...
Please show detailed steps. Thanks
Problem # 1: Three Phase Power [35 points] A three-phase substation bus supplies three wye-connected three phase loads that are connected in parallel through a three-phase feeder with an impedance of 0.3 30 per phase Load 1 draws 75kVA at 0.866 lagging power factor, load 2 draws 45 kW at 0.70 leading power factor and load 3 draws 20 kVAR at 0.85 lagging power factor. The line-line voltage at the load is 460V Take the...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
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
Please show all work and concepts 5.2 (15 pts) In the following circuit, voltage source V...
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)...
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)
The impedance of a three-phase line is 0.3 + j 2.4 per phase. The line feeds...
The impedance of a three-phase line is 0.3 + j 2.4 per phase. The line feeds two balanced three- phase loads connected in parallel. The first load takes 600 kVA at 0.7 p.f. lagging. The second takes 150 kW at unity power factor. The line to line voltage at the load end of the line is 3810.5 V. Find a) The magnitude of the line voltage at the source end of the line. b) The total active and reactive power...
P3- A source supplies power to the following three load connected in parallel: (1) a light...
P3- A source supplies power to the following three load connected in parallel: (1) a light load drawing 20 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), Determine the real, reactive, and apparent power delivered by the source. Also, draw the source power triangle.
P3- A source supplies power to the following three load connected in parallel: (1) a light...
P3- A source supplies power to the following three load connected in parallel: (1) a light load drawing 20 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). Determine the real, reactive, and apparent power delivered by the source. Also, draw the source power triangle.
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...
Please show detailed steps. Thanks
Problem # 1: Three Phase Power [35 points] A three-phase substation bus supplies three wye-connected three phase loads that are connected in parallel through a three-phase feeder with an impedance of 0.3 30 per phase Load 1 draws 75kVA at 0.866 lagging power factor, load 2 draws 45 kW at 0.70 leading power factor and load 3 draws 20 kVAR at 0.85 lagging power factor. The line-line voltage at the load is 460V Take the...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
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)...
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)
P3- A source supplies power to the following three load connected in parallel: (1) a light load drawing 20 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), Determine the real, reactive, and apparent power delivered by the source. Also, draw the source power triangle.
P3- A source supplies power to the following three load connected in parallel: (1) a light load drawing 20 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). Determine the real, reactive, and apparent power delivered by the source. Also, draw the source power triangle.
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