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1. A 230 kV, 60 Hz, three-phase transposed overhead transmission line has one ACSR 954 kcmil conductor per phase and flat horizontal spacing with 8 m between adjacent conductors. Calculate the impedance to neutral of this line. Calculate the line charging current in A/phase if the line is 100 km long and is operated at line-line voltage of 230 kV (8.565 pF/m, j3.23 micro-Siemens/km, 42.9 A/phase)
2. A 7 kV 60 Hz single phase two-wire overhead line has 1/0 copper conductors with 1 m horizontally between conductors. Calculate C and capacitive reactance. (5.184 pF/m, 5.117x108 m-ohm)
3. A 12 kV 60 Hz three-phase three-wire overhead line has Drake ACSR conductors spaced 4 ft apart in an equilateral triangle. Calculate C and capacitive reactance. (12.47 pF/m, 2.127x108 m-ohm)
Given a DSP system in which a sampling rate of 8000 Hertz is used and the antialiasing filter is a second order Butterworth low pass filter with a cutoff frequency of 3.2 KHz determine a. The percentage of aliasing level at cutoff frequency
a lowpass butterworth filter has a corner frequency of 1 khz and a roll-off of 24 db per octave in the stopband. If the output amplitude of a 3 khz sine wave is .1 V, what will be the output amplitude of a 20 khz sine wave if the input amplitudes ..
Let x(t) be a signal with x(t)=0 for t
As the ball rises, it gradually loses kinetic energy as its potential energy increases. At the top of its flight, when its vertical speed goes to zero, all of the kinetic energy has been converted into potential energy.
A series-connected dc motor has RF+RA = .6 ohmns and draws IA = 40 A from the dc source voltage VT = 220 V, while running at 900 rpm. What is the speed for IA = 20 A Assume a linear relationship between IA and phi.
Find the transformation ratio of a transformer having 350 turns on the secondary winding and 7000 turns on the primary. What voltage must be applied to the primary of the transformer to develop an open-circuit secondary voltage
In order to eliminate the cost of calling cards, the company in the above problem is considering a new policy that requires blocked callers to redial over and over until they get a trunk.
What is the maximum symbol rate for this link and the number of bits per symbol? What format would you recommend for the transmitted current pulses on this baseband link?
Determine whether the Boolean funcions F=a'c+ab'c+ab and G=b'c+a'bc+abc+ab are equivalent using algebraic manipulation.
For the given circuit, determine the function of it I.e. is it OR gate? Or AND gate,.. Show all your answer, also draw the symbol and truth table of it.
Design a synchronous circuit that implements a 4-bit decade (modulo-10) counter (0000,0001, ..., 1001, 0000,...) a. Fill in a transition table (using don't cares for undefined next states).
A transconductance amplifier with Ri = 2 kΩ, Gm = 40 mA/V , and Ro = 20kΩ is fed with a voltage source having a source resistance of 2kΩ and is loaded with a 1kΩ resistance. Find the voltage gain realized (from the source internal voltage to the o..
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