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Power. 6 Blank Correct the pol to 0.967 lag by placing a caparilor in parallel with...
3) Abow load is power by a 60 Hz, 240V line. He power factor PF G...
3) Abow load is power by a 60 Hz, 240V line. He power factor PF G 0.7071 lagging Caleulate the parallel Capacitance required to correct the power factor to 0.9 lagging
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.
calculate i a) the total power 6 the power in each side frequency for a standard...
calculate i a) the total power 6 the power in each side frequency for a standard I AM transmission that is sinusoidally modulated to a depth of 80% , if the unmodulated carrier power is 50kw
Given the load absorbeed power fill in the blank Load1 : (3.75- j3.31) kVA Load2: (3.82+j2.57)kVA...
Given the load absorbeed power fill in the blank Load1 : (3.75- j3.31) kVA Load2: (3.82+j2.57)kVA Load3: (6.16+j6.83)kVA Load4: (8.5+j0)kVA Load 5:(1.8-j0.6)kVA Load S Theta s pf lead/lag beta 1 2 3 4 5
(a) A 240 V 50 Hz factory electrical system has the following loads connected in parallel:...
(a) A 240 V 50 Hz factory electrical system has the following loads connected in parallel: Load 1: 4 kW at a power factor of 0.8 lag Load 2: 6 kVA at a power factor of 0.6 lag Load3: 6.5 kVA with 2.5 kVAr of leading reactive power Determine: (C) the overall system power factor, (ii) the value of a power-factor correction capacitor to improve the power factor to unity, and (ii) the value of a power-factor correction capacitor to...
Basic AC Values-Self Test Solve the following problems by placing the correct answer in the blank...
Basic AC Values-Self Test Solve the following problems by placing the correct answer in the blank space. 1. Compute the following effective values: Peak voltage: 4Vac=- 12 Vac=- 6 Vac_V rms. 10 Va 1.5 Vac_ 2Vac-- Vrms. 5 Vac_V rms. 9 Vac V rms. V rms. V rms. Vrms. V rms. c= 2. Compute the following peak and peak-to-peak (p-p) values: Rms voltage: 3 VacV peak;V p-p. 8 VacV peak;Vp-p. 7Vac___ V peak, Vp-p. 10 Vac V peak;一一V pp. 15...
1. (50 Points) angle phase voltage source supplies an RL load connected in parallel configuration throu...
1. (50 Points) angle phase voltage source supplies an RL load connected in parallel configuration throu given below: Load: R 500 and X j50 Ω. The voltage across the load is 20 kV. wire impedance : 2.5 +j20 Ω. Answer the following questions: (a) Represent the circuit in phasor domain. (b) Calculate the phasor current through the wire. (c) Calculate the voltage across the source. (d) Calculate the phasor current through the load resistance. (e) Calculate the complex power supplied...
Item 6 A three-phase supples 17 kVA with a power factor of 0.75 lagging to a...
Item 6 A three-phase supples 17 kVA with a power factor of 0.75 lagging to a sequence Y-connected source Part A parallel combination of a Y-connected load and a ? connected load The Y-connected load uses 12 kVA at a power factor of 0 6 lagging and has an a-phase current of 122-30 A Find the complex power per phase of the ?-connected load Enter your answer using polar notation. Express argument in degrees. VA Submit Part B Find the...
2. Two alternators A and B are operating in parallel to supply power to a load 1000 kVA at 0.8 pf laggine alternator A contributes 500 KVA at 0.6 of ageing calculate the real power and power factor o...
2. Two alternators A and B are operating in parallel to supply power to a load 1000 kVA at 0.8 pf laggine alternator A contributes 500 KVA at 0.6 of ageing calculate the real power and power factor of & iS points) 3. A 440 V, 4-pole, 60 Ht, 3-phase wye-connected induction motor runs at 1700 rpm during the normal operation. The motor has the following data; (20 polets X, 1.2 ohms 0.89 ohms X -0.56 ohms Ra 025 ohmg...
Problem #1 (Concepts) Circle the correct answer or fill in the blank. (3 points each) a)...
Problem #1 (Concepts) Circle the correct answer or fill in the blank. (3 points each) a) Kirchhoffs "law" is a consequence of (conservation of charge conservation of energy both none) b) What is the time constant of the circuit shown below? Each of the five resistors has a resistance R, and each of the five capacitors has capacitance C. The internal resistance of the battery is negligible. (RC 5RC 10RC25RC) vünün = = = AV c) A power supply will...
3) Abow load is power by a 60 Hz, 240V line. He power factor PF G 0.7071 lagging Caleulate the parallel Capacitance required to correct the power factor to 0.9 lagging
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.
calculate i a) the total power 6 the power in each side frequency for a standard I AM transmission that is sinusoidally modulated to a depth of 80% , if the unmodulated carrier power is 50kw
(a) A 240 V 50 Hz factory electrical system has the following loads connected in parallel: Load 1: 4 kW at a power factor of 0.8 lag Load 2: 6 kVA at a power factor of 0.6 lag Load3: 6.5 kVA with 2.5 kVAr of leading reactive power Determine: (C) the overall system power factor, (ii) the value of a power-factor correction capacitor to improve the power factor to unity, and (ii) the value of a power-factor correction capacitor to...
Basic AC Values-Self Test Solve the following problems by placing the correct answer in the blank space. 1. Compute the following effective values: Peak voltage: 4Vac=- 12 Vac=- 6 Vac_V rms. 10 Va 1.5 Vac_ 2Vac-- Vrms. 5 Vac_V rms. 9 Vac V rms. V rms. V rms. Vrms. V rms. c= 2. Compute the following peak and peak-to-peak (p-p) values: Rms voltage: 3 VacV peak;V p-p. 8 VacV peak;Vp-p. 7Vac___ V peak, Vp-p. 10 Vac V peak;一一V pp. 15...
1. (50 Points) angle phase voltage source supplies an RL load connected in parallel configuration throu given below: Load: R 500 and X j50 Ω. The voltage across the load is 20 kV. wire impedance : 2.5 +j20 Ω. Answer the following questions: (a) Represent the circuit in phasor domain. (b) Calculate the phasor current through the wire. (c) Calculate the voltage across the source. (d) Calculate the phasor current through the load resistance. (e) Calculate the complex power supplied...
Item 6 A three-phase supples 17 kVA with a power factor of 0.75 lagging to a sequence Y-connected source Part A parallel combination of a Y-connected load and a ? connected load The Y-connected load uses 12 kVA at a power factor of 0 6 lagging and has an a-phase current of 122-30 A Find the complex power per phase of the ?-connected load Enter your answer using polar notation. Express argument in degrees. VA Submit Part B Find the...
2. Two alternators A and B are operating in parallel to supply power to a load 1000 kVA at 0.8 pf laggine alternator A contributes 500 KVA at 0.6 of ageing calculate the real power and power factor of & iS points) 3. A 440 V, 4-pole, 60 Ht, 3-phase wye-connected induction motor runs at 1700 rpm during the normal operation. The motor has the following data; (20 polets X, 1.2 ohms 0.89 ohms X -0.56 ohms Ra 025 ohmg...
Problem #1 (Concepts) Circle the correct answer or fill in the blank. (3 points each) a) Kirchhoffs "law" is a consequence of (conservation of charge conservation of energy both none) b) What is the time constant of the circuit shown below? Each of the five resistors has a resistance R, and each of the five capacitors has capacitance C. The internal resistance of the battery is negligible. (RC 5RC 10RC25RC) vünün = = = AV c) A power supply will...
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