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Given a turbine-generator unit rated 100 MVA with a per unit inertia constant, H = 5 sec.
(a) Calculate the kinetic energy stored at synchronous speed (3600 rpm).
(b) Compare this figure with the kinetic energy of a 10-ton truck going at 60 mph.
(c) Suppose that the generator is delivering 100 MW and then, at t = 0, the line circuit breakers open. Calculate the shaft acceleration in rad/sec2.
(d) At this rate, how long does it take for δ to increase from δ0 to δ0 + 2π radians?
electronics for recording1 - you seek to engineer a data storage system for a neural signal recorder. how big of a disk
What mathematical feature of the electric field makes it impossible to define an electrostatic potential field in this case? Explain your answer in two or three sentences.
An amplifier produces a sinusoidal signal of 8.5V peak acrossa 50-ohm resistive load. the amplifier is powered from a 12Vvoltage source. a) What is the signal power delivered to the load
If the switch shown is open, find the real, reactive, and apparent powers in the system. Find the total current supplied to the distribution system by the utility.
Assume that the op-amps are ideal and that the magnitude of their output voltages is less than their maximum peak output voltage swing (VOM).
The p-n junction in part (a) is used as a capacitor in an LC circuit to tune two WHRO stations in your car radio. When no voltage is applied a radio station transmitting at 89.5 MHz is received. What is the voltage required to get the classical mu..
Proof the law of s with respect to amnetism. use the figure as guide. show all the steps clearly. - For the circuit in fig. 1. find i1 to i4 using mesh analysis.
Two point charges of +3.0μF and -7.0μF are placed at x=0 and x=0.20m. What is the magnitude of the electric field at the midway point between them
Repeat the preceding problem for the convolutional coder illustrated in Figure 11.47. For the coder shown in Figure 11.47 the shift register contents are S1S2S3S4, where S1 represents the most recent input.
A cumulatively compounded dc generator is operating properly as a flat-compounded dc generator. The machine is then shut down, and its shunt field connections are reversed.
Write a 500 - 550 word essay on why the use of transformers is paramount for electrical power distribution. Address all aspects of electrical power distribution, including production and consumption.
Determine the coefficients of the FIR filter that has 0.5 dB ripple in the passband and 50 dB attenuation in the stopband. Choose reasonable values for the band-edge frequencies.
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