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The circuit below represents a three-phase, 60 Hz, synchronous generator supplying powerto an induction motor. Since...
Series and parallel RL and RC circuits with an AC source. A 60 Hz voltage source...
Series and parallel RL and RC circuits with an AC source. A 60 Hz voltage source has an amplitude of VT-120 V. For the following problems, compute the indicated phasors including both magnitudes and phase angles, and sketch the phasor diagrams (no submission) Q1. The source is connected across a series RL ac circuit with R 7.8 Ohm and XL = ωし= 5.1 Ohm. 1a) Find the magnitude of impedance of the series combination (Unit: Ohm) Submit Answer Tries 0/3...
Series and parallel RL and RC circuits with an AC source. A 60 Hz voltage source...
Series and parallel RL and RC circuits with an AC source. A 60 Hz voltage source has an amplitude of V 120 V. For the following problems, compute the indicated phasors including bath magnitudes and phase angles, and sketch the phasor diagrams (no submission) Q4. The source (assuming angle of ντ is 0°) is connected across a parallel RC ac circuit with R = 7.8 Ohm and Xc = 1/10C = 2.5 Ohm. 4a) Calculate the magnitude of current IR...
The source is connected across a series RC ac circuit with R = 9 Ohm and...
The source is connected across a series RC ac circuit with R = 9
Ohm and XC = 1/ωC = 2.7 Ohm.
Q3. The source is connected across a series RC ac circuit with R = 9 Ohm and Xc = 1/(C = 2.7 Ohm. 3a) Find the magnitude of impedance of the series combination (Unit: Ohm) Submit Answer Tries 0/3 3b) Find the phase angle of impedance of theseries combination (Unit: deg) Submit Answer Tries 0/3 3c) Calculate the...
130 V. For the following problems, A 60 Hz voltage source has an amplitude of VT...
130 V. For the following problems, A 60 Hz voltage source has an amplitude of VT compute the indicated phasors l Q1. The source is connected across a series RL ac circuit with R = 8.2 Ohm and X1 = ω k = 5.7 Ohm. 1a) Find the magnitude of impedance of the series combination (Unit: Ohm) 1b) Find the phase angle of impedance of the series combination (Unit: dea) 1c) Calculate the current phasor I at an angle of...
A 1500-kVA, 6.6 kV, 50 Hz, 6-pole, three-phase, star-connected synchronous generator has a resistance 0.5Q/phase and a...
A 1500-kVA, 6.6 kV, 50 Hz, 6-pole, three-phase, star-connected
synchronous generator has a resistance 0.5Q/phase and a synchronous
reactance of 5Q/phase. The generator is supplying its rated power
at its rated voltage and at a power factor lagging. The rotational
loss is 2 kW. Calculate:
(a) the power developed,
(b) the power angle,
(c) the voltage regulation, and
(d) the shaft torque.
A 1500-kVA, 6.6 kV, 50 Hz, 6-pole, three-phase, star-connected synchronous generator has a resistance 0.50/phase and a synchronous...
45% A 450 KVA, 2080 V, 50 Hz, 6-pole, three-phase, Y-connected, synchronous motor has a synchronous...
45% A 450 KVA, 2080 V, 50 Hz, 6-pole, three-phase, Y-connected, synchronous motor has a synchronous impedance of 0.5+ j15 Ohm/phase, and rotational loss is 18 kw 3, Determine: a. The excitation voltage (15%) b. The power angle (15%) c. The power developed when the motor is fully loaded at 0.8666 PF leading (15%)
A three-phase, Y-connected, 6.9-kV, 8-pole, 60-Hz, synchronous motor has a synchronous impedance of 0.01+j6 Ω/phase. The...
A three-phase, Y-connected, 6.9-kV, 8-pole, 60-Hz, synchronous motor has a synchronous impedance of 0.01+j6 Ω/phase. The motor is energized at its rated voltage and frequency, and draws a line current of 100 A. The motor rotates a load, while operating at a lagging power factor of 0.9. Calculate the torque developed by the motor: (a) considering the armature resistance (b) neglecting the armature resistance
Please show all the clearly step A 500 MVA, 24 kV, 60 Hz three-phase synchronous generator...
Please show all the clearly step
A 500 MVA, 24 kV, 60 Hz three-phase synchronous generator is operating at rated voltage and frequency with a terminal power factor of 0.8 lagging. The synchronous reactance X 0.8. Stator coil resistance is negligible. The internally generated voltage E,-18 kv a) Draw the per phase equivalent circuit. b) Determine the torque (power) angle 5, c) the total output power, d) the line current.
A 3-phase, 60-Hz, synchronous generator has the following data
A 3 -phase, \(60-\mathrm{H} 2\), synchronous generator has the following data:Rated MVA \(=22.8 \mathrm{MVA}\)Rated voltage \(=13.8 \mathrm{kV}\)\(X_{d}=1.8\) pu on rated MVA and rated voltage base \(X_{d}^{\prime}=0.3\) pu on rated MVA and rated voltage base CT ratio \(=1200 \mathrm{~A}: 5 \mathrm{~A}\)PT ratio \(=14.4 \mathrm{kV}: 120 \mathrm{~V}\)a) Explain why it is important to have synchronous generator under-exciation or loss of excitation protection. [5 marks]b) Design a loss of excitation relay for this generator based on the standard single mho circle design, and...
6.12 A three-phase, Y-connected, 460-V (line-line), 37-kW, 60-Hz, four-pole induction motor has the following equivalent-circuit parameters...
6.12 A three-phase, Y-connected, 460-V (line-line), 37-kW, 60-Hz, four-pole induction motor has the following equivalent-circuit parameters in ohms-per-phase referred to the statr: R10.070 R2 0.152 X 0.743 X2 0.764 Xm 40.1 The total friction and windage losses may be assumed constant at 390 W, and the core loss may be assumed to be equal to 325 W. With the motor connected directly to a 460-V source, compute the speed, output shaft torque and power, input power, and power factor and...
Series and parallel RL and RC circuits with an AC source. A 60 Hz voltage source has an amplitude of VT-120 V. For the following problems, compute the indicated phasors including both magnitudes and phase angles, and sketch the phasor diagrams (no submission) Q1. The source is connected across a series RL ac circuit with R 7.8 Ohm and XL = ωし= 5.1 Ohm. 1a) Find the magnitude of impedance of the series combination (Unit: Ohm) Submit Answer Tries 0/3...
Series and parallel RL and RC circuits with an AC source. A 60 Hz voltage source has an amplitude of V 120 V. For the following problems, compute the indicated phasors including bath magnitudes and phase angles, and sketch the phasor diagrams (no submission) Q4. The source (assuming angle of ντ is 0°) is connected across a parallel RC ac circuit with R = 7.8 Ohm and Xc = 1/10C = 2.5 Ohm. 4a) Calculate the magnitude of current IR...
The source is connected across a series RC ac circuit with R = 9
Ohm and XC = 1/ωC = 2.7 Ohm.
Q3. The source is connected across a series RC ac circuit with R = 9 Ohm and Xc = 1/(C = 2.7 Ohm. 3a) Find the magnitude of impedance of the series combination (Unit: Ohm) Submit Answer Tries 0/3 3b) Find the phase angle of impedance of theseries combination (Unit: deg) Submit Answer Tries 0/3 3c) Calculate the...
130 V. For the following problems, A 60 Hz voltage source has an amplitude of VT compute the indicated phasors l Q1. The source is connected across a series RL ac circuit with R = 8.2 Ohm and X1 = ω k = 5.7 Ohm. 1a) Find the magnitude of impedance of the series combination (Unit: Ohm) 1b) Find the phase angle of impedance of the series combination (Unit: dea) 1c) Calculate the current phasor I at an angle of...
A 1500-kVA, 6.6 kV, 50 Hz, 6-pole, three-phase, star-connected
synchronous generator has a resistance 0.5Q/phase and a synchronous
reactance of 5Q/phase. The generator is supplying its rated power
at its rated voltage and at a power factor lagging. The rotational
loss is 2 kW. Calculate:
(a) the power developed,
(b) the power angle,
(c) the voltage regulation, and
(d) the shaft torque.
A 1500-kVA, 6.6 kV, 50 Hz, 6-pole, three-phase, star-connected synchronous generator has a resistance 0.50/phase and a synchronous...
45% A 450 KVA, 2080 V, 50 Hz, 6-pole, three-phase, Y-connected, synchronous motor has a synchronous impedance of 0.5+ j15 Ohm/phase, and rotational loss is 18 kw 3, Determine: a. The excitation voltage (15%) b. The power angle (15%) c. The power developed when the motor is fully loaded at 0.8666 PF leading (15%)
Please show all the clearly step
A 500 MVA, 24 kV, 60 Hz three-phase synchronous generator is operating at rated voltage and frequency with a terminal power factor of 0.8 lagging. The synchronous reactance X 0.8. Stator coil resistance is negligible. The internally generated voltage E,-18 kv a) Draw the per phase equivalent circuit. b) Determine the torque (power) angle 5, c) the total output power, d) the line current.
6.12 A three-phase, Y-connected, 460-V (line-line), 37-kW, 60-Hz, four-pole induction motor has the following equivalent-circuit parameters in ohms-per-phase referred to the statr: R10.070 R2 0.152 X 0.743 X2 0.764 Xm 40.1 The total friction and windage losses may be assumed constant at 390 W, and the core loss may be assumed to be equal to 325 W. With the motor connected directly to a 460-V source, compute the speed, output shaft torque and power, input power, and power factor and...
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