A power station operating at 137 MW is connected to a 500 kV power line. How...
A power station operating at 137 MW is connected to a 500 kV power line. How many amps of current is carried by the power line? Assume 3 significant figures in your answer, and do not use scientific notation.
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A power station operating at 137 MW is connected to a 500 kV
power line. How...
A 3-phase 138-kv transmission line is connected to a 49 MW load at .85 lagging power...
A 3-phase 138-kv transmission line is connected to a 49 MW load at .85 lagging power factor. The line constants of the 52-mile long line are Z = 95 L 78 degree ohm and Y=.001 L90 degree S. Using the nominal T Circuit representation, calculate the A, B, C, and D constants of the line Sending-end voltage Sending-end current Sending-end power factor Efficiency of transmission
5. A 66 kv, 3-phase, 50 Hz, star-connected synchronous motor has a synchronous impedance of 12 ex...
5. A 66 kv, 3-phase, 50 Hz, star-connected synchronous motor has a synchronous impedance of 12 exp j820 ohms per phase. The field current of the machine is set to produce a per-unit excitation e.m.f. of 1-3. The machines operate on constant frequency 6-6 kV infinite busbars. Calculate the operating power-factor and the line current of the machine when the input power is 800 kW. What is the maxi- mum value of gross output power the machine can develop with...
Please show all work The Chernobyl power station was capable of producing 4.00 x 103 Mw...
Please show all work
The Chernobyl power station was capable of producing 4.00 x 103 Mw of electrical power, prior to the disaster at one of its four reactors in 1986. Assuming that each fission reaction produces about 200 Mev and that the power plant is about 25.4% efficient, determine that ass ofU that must be used in operating the plant for 5.00 hours. Retain three significant figures in yaur answer. 235 Your response differs significantly from the correct answer....
A375-kV 60Hz three-phase 500 miles long transmission line with distributed line parameters per mi of r 0.1 Ohm, L-1.365 mH, c 0.00842 uF and g 0 delivers 200 MW to the load at 350 kV at 0.85 powe...
A375-kV 60Hz three-phase 500 miles long transmission line with distributed line parameters per mi of r 0.1 Ohm, L-1.365 mH, c 0.00842 uF and g 0 delivers 200 MW to the load at 350 kV at 0.85 power factor lagging. Find the following: 2. 50 pts. a) Characteristic impedance, attenuation constant and phase constant. b) sinhyL c) Transmission parameter A. d) Transmission efficiency if the sending end voltage and current are is 238.81419.07 kV/phase and 306.07228.783 A respectively using long-line...
A 33.5 Ω resistor is connected to a power supply. As a result there is a...
A 33.5 Ω resistor is connected to a power supply. As a result there is a current of 12.2 mA flowing through the resistor. Determine the power dissipated in the resistor in milli-watts (mW). Round your answer to three significant figures? 4990 mW?
A=97 Radio waves, from your favorite radio station has a frequency of (A + 88.3) MHz...
A=97
Radio waves, from your favorite radio station has a frequency of (A + 88.3) MHz (megahertz). What is the corresponding wavelength for this frequency in meters? Give your answer to 3 significant figures and use appropriate power of ten symbol (don't use scientific notation) units. Do NOT post your work, just your answer. Your answer is either marked 'good', if it is correct or the correct answer is posted.
Radio waves, from your favorite radio station has a frequency of ( 89.3) MHz (megahertz). What...
Radio waves, from your favorite radio station has a frequency of ( 89.3) MHz (megahertz). What is the corresponding wavelength for this frequency in meters? Give your answer to 3 significant figures and use appropriate power of ten symbol (don’t use scientific notation) units.
kV/phase, 60 Hz, lossless short transmission line has a short-circuit power of 500 MVA/phase. Consider 7. A a unity power factor load connected at the receiving end. Assume that the sending end volta...
kV/phase, 60 Hz, lossless short transmission line has a short-circuit power of 500 MVA/phase. Consider 7. A a unity power factor load connected at the receiving end. Assume that the sending end voltage is equal to the nominal voltage. a. Determine the maximum active power this line can transmit (5 points) b. Determine the reactance of the line (5 points) c. Using basic equations of circuit analysis, show that the magnitude of the receiving end voltage (VR) is approximately 71%...
A 25.5 Ω resistor is connected to a power supply. As a result there is a...
A 25.5 Ω resistor is connected to a power supply. As a result there is a current of 19.2 mA flowing through the resistor. Determine the power dissipated in the resistor in milli-watts (mW). Round your answer to three significant figures.
Part A What is the reactance of a 9.0x10-24F capacitor connected to a 15 kV (rms),...
Part A What is the reactance of a 9.0x10-24F capacitor connected to a 15 kV (rms), 590 Hz line? Express your answer using two significant figures. ΑΣΦ ? XC = 12 Submit Request Answer Part B Determine the frequency and the peak value of the current. Express your answer using two significant figures. TH] ΑΣφ ? f = Hz Submit Request Answer Part C Express your answer using two significant figures. 10 AED ? Ipeak A
A 3-phase 138-kv transmission line is connected to a 49 MW load at .85 lagging power factor. The line constants of the 52-mile long line are Z = 95 L 78 degree ohm and Y=.001 L90 degree S. Using the nominal T Circuit representation, calculate the A, B, C, and D constants of the line Sending-end voltage Sending-end current Sending-end power factor Efficiency of transmission
5. A 66 kv, 3-phase, 50 Hz, star-connected synchronous motor has a synchronous impedance of 12 exp j820 ohms per phase. The field current of the machine is set to produce a per-unit excitation e.m.f. of 1-3. The machines operate on constant frequency 6-6 kV infinite busbars. Calculate the operating power-factor and the line current of the machine when the input power is 800 kW. What is the maxi- mum value of gross output power the machine can develop with...
Please show all work
The Chernobyl power station was capable of producing 4.00 x 103 Mw of electrical power, prior to the disaster at one of its four reactors in 1986. Assuming that each fission reaction produces about 200 Mev and that the power plant is about 25.4% efficient, determine that ass ofU that must be used in operating the plant for 5.00 hours. Retain three significant figures in yaur answer. 235 Your response differs significantly from the correct answer....
A375-kV 60Hz three-phase 500 miles long transmission line with distributed line parameters per mi of r 0.1 Ohm, L-1.365 mH, c 0.00842 uF and g 0 delivers 200 MW to the load at 350 kV at 0.85 power factor lagging. Find the following: 2. 50 pts. a) Characteristic impedance, attenuation constant and phase constant. b) sinhyL c) Transmission parameter A. d) Transmission efficiency if the sending end voltage and current are is 238.81419.07 kV/phase and 306.07228.783 A respectively using long-line...
A=97
Radio waves, from your favorite radio station has a frequency of (A + 88.3) MHz (megahertz). What is the corresponding wavelength for this frequency in meters? Give your answer to 3 significant figures and use appropriate power of ten symbol (don't use scientific notation) units. Do NOT post your work, just your answer. Your answer is either marked 'good', if it is correct or the correct answer is posted.
kV/phase, 60 Hz, lossless short transmission line has a short-circuit power of 500 MVA/phase. Consider 7. A a unity power factor load connected at the receiving end. Assume that the sending end voltage is equal to the nominal voltage. a. Determine the maximum active power this line can transmit (5 points) b. Determine the reactance of the line (5 points) c. Using basic equations of circuit analysis, show that the magnitude of the receiving end voltage (VR) is approximately 71%...
Part A What is the reactance of a 9.0x10-24F capacitor connected to a 15 kV (rms), 590 Hz line? Express your answer using two significant figures. ΑΣΦ ? XC = 12 Submit Request Answer Part B Determine the frequency and the peak value of the current. Express your answer using two significant figures. TH] ΑΣφ ? f = Hz Submit Request Answer Part C Express your answer using two significant figures. 10 AED ? Ipeak A
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