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A 500-kV, 60 Hz three-phase transmission line is modeled using the exact A, B, C, and D parameters. It is known that:
Z is the total series impedance of the line.
A. Find the values of the parameters B and C.
B. Suppose that the load at the receiving end of the line is 750 MVA at a lagging power factor of 0.9 at rated voltage. Determine the sending end voltage, current, active and reactive power and power factor.
The first ac power system in the USA ran at a frequency of 133 Hz. If the ac power for this system were produced by a 4-pole generator, how fast would the shaft of the generator have to rotate?
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An alternator is supplying a load of 300 kW at a p.f. of 0.6 lagging. If the power factor is raised to unity, how many more kilowatts can alternator supply for the same kVA loading ?
We have a load with an impedance given by Z=30+j40 ohms. The voltage across this load is V =1500sqrt(2)
1. Find the volume of a cylinder whose base is 9 inches in diameter and whose altitude is 12 inches. 2. Find the following values a. cos 77 degree 3'30" b. sin 18 degree 40' 3. In a right triangle ABC, if the leg a=8 and the leg b=5. what is the angl..
The junction capacitance of a silicon pn junction is 1.83 pF at T = 300 K when the anode and cathode are held at the same voltage. The concentration of donor atoms in the n-region of the junction is 1016 cm ^-3
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draw a circuit diagram for the following experiment1. set up the dc machine to be operated as a separately excited
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Air at 25°C flows over a 10-mm-diameter sphere with a velocity of 25 m/s, while the surface of the sphere is maintained at 75°C (a) What is the drag force on the sphere?
Discuss the types of inference that can and cannot be drawn from this study.
The solutions to Schrodinger's wave equation for a particular situation is given by Psi(x) = sqrt(2/ao)*e-x/ao. Determine the probability of finding the particle between the following limits: (a) 0
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