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Three loads are being supplied from an infinite bus operating at 400 V. Load 1 is...
The infinite bus in the Figure operates at 480 V. Load 1 consumes 100 kW at...
The infinite bus in the Figure operates at 480 V. Load 1 consumes 100 kW at 0.9 Pflagging and load 2 consumes 80 KVA O Plagne load is synchronous motor whose real power consumption is 74.6 kW at 0.8 PF leading (a) If the switch was initially open what is the equivalent power factor of the system (b) When the switch is finally closed, what is the new equivalent power factor of the system Bus 1 Load 1 100 KW...
2) A 480 V, 60 Hz, 400 hp 0.8 PF-lagging eight-pole A-connected synchronous motor has a...
2) A 480 V, 60 Hz, 400 hp 0.8 PF-lagging eight-pole A-connected synchronous motor has a synchronous reactance of 0.6 and negligible armature resistance. Ignore the mechanical and core losses. The magnitude of the internal machine voltage is 480 V when the field current is 4 A. Assume magnetic linearity. Initially, the motor operates at the rated conditions. a) Find the speed of this motor. b) Find the armature and field currents. c) What is the developed torque? What is...
THESE ARE QUESTION FROM THE TOPIC POWER FACTOR IMPROVEMENT FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS PLEASE...
THESE ARE QUESTION FROM THE TOPIC POWER FACTOR IMPROVEMENT FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS PLEASE DO THE QUESTIONS STEP BY STEP AND IN NEAT HAND WRITTING THE ANSWERS ARE GIVEN WITH THE QUESTIONS 1) . A 3-phase, 400 V synchronous motor having a power consumption of 50 kW is connected in parallel with an induction motor which takes 200 kW at a power factor of 0·8 lagging. (i) Calculate the current drawn from the mains when the 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)
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...
Problem 7 Three three-phase wye-connected loads are in parallel across a three-phase supply. The first load draws a cur...
Problem 7 Three three-phase wye-connected loads are in parallel across a three-phase supply. The first load draws a current of 10 A at pf- 0.93 (leading), and the second and third loads (each) draw a current of 20 A at pf= 0.85 (lagging). Suppose the line-to-line voltage is 240 V. Compute the following: a) The transmission line current b) The load power factor c) The complex power supplied by the source
Problem 7 Three three-phase wye-connected loads are in parallel...
(40%) Problem 2 of 3: An engine-generator set is paralleled with a 13.2 kv, 60 Hz infinite (utili...
please show steps. Thank you.
(40%) Problem 2 of 3: An engine-generator set is paralleled with a 13.2 kv, 60 Hz infinite (utility) bus to deliver power to a 2000 kw plant load at 0.866 lagging power factor. The synchronous generator is wye-connected and rated 3750 kva, 13.2 kv, and 0.8 power factor lagging with 1.0 per unit synchronous reactance and negligible armature resistance. 13.2 kVI 60 Hz I infinite bus utility) rated: 3750 kva 0.8 lag load: 2000 kW...
A balanced 3-0 source serves the following loads: Load 1: 18 kVA at 0.8 PF lagging...
A balanced 3-0 source serves the following loads: Load 1: 18 kVA at 0.8 PF lagging Load 2: 10 KVA at 0.7 PF leading Load 3: 12 kW at unity PF Load 4: 16 kVA at 0.6 PF lagging The line voltage across the terminals of the load is 208 Vrms and the line impedance is 0.2 +j0.4/0. Find the line voltage and PF at the source. (3 pt) Real part of the line voltage at the source: (3 pt)...
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.
The infinite bus in the Figure operates at 480 V. Load 1 consumes 100 kW at 0.9 Pflagging and load 2 consumes 80 KVA O Plagne load is synchronous motor whose real power consumption is 74.6 kW at 0.8 PF leading (a) If the switch was initially open what is the equivalent power factor of the system (b) When the switch is finally closed, what is the new equivalent power factor of the system Bus 1 Load 1 100 KW...
2) A 480 V, 60 Hz, 400 hp 0.8 PF-lagging eight-pole A-connected synchronous motor has a synchronous reactance of 0.6 and negligible armature resistance. Ignore the mechanical and core losses. The magnitude of the internal machine voltage is 480 V when the field current is 4 A. Assume magnetic linearity. Initially, the motor operates at the rated conditions. a) Find the speed of this motor. b) Find the armature and field currents. c) What is the developed torque? What is...
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)
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...
Problem 7 Three three-phase wye-connected loads are in parallel across a three-phase supply. The first load draws a current of 10 A at pf- 0.93 (leading), and the second and third loads (each) draw a current of 20 A at pf= 0.85 (lagging). Suppose the line-to-line voltage is 240 V. Compute the following: a) The transmission line current b) The load power factor c) The complex power supplied by the source
Problem 7 Three three-phase wye-connected loads are in parallel...
please show steps. Thank you.
(40%) Problem 2 of 3: An engine-generator set is paralleled with a 13.2 kv, 60 Hz infinite (utility) bus to deliver power to a 2000 kw plant load at 0.866 lagging power factor. The synchronous generator is wye-connected and rated 3750 kva, 13.2 kv, and 0.8 power factor lagging with 1.0 per unit synchronous reactance and negligible armature resistance. 13.2 kVI 60 Hz I infinite bus utility) rated: 3750 kva 0.8 lag load: 2000 kW...
A balanced 3-0 source serves the following loads: Load 1: 18 kVA at 0.8 PF lagging Load 2: 10 KVA at 0.7 PF leading Load 3: 12 kW at unity PF Load 4: 16 kVA at 0.6 PF lagging The line voltage across the terminals of the load is 208 Vrms and the line impedance is 0.2 +j0.4/0. Find the line voltage and PF at the source. (3 pt) Real part of the line voltage at the source: (3 pt)...
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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