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The power transfer in a transmission line is governed by the equation P = VS * VR * sin\(\delta\)/X line. Basedon this equation what is the maximum power transfer that can be achieved, and what is its value if VS =VR = 1.0p.u. and XLINE = 0.25p.u.? How could power transfer be increased?
You have a bandwidth of 10 MHz (per direction) in a single-cell system and want to deploy a wireless telephone system. You have the following options: analog 30-kHz channels (as in AMPS)
The motor driven by a switch-mode dc-dc converter, which has a bus voltage of 200V. The switching frequency fs = 25 kHz. Calculate and plot the waveforms for va(t), ea(t), ia(t), and id(t) under the following conditions
A 450 kW motor operating 73% Power factor lagging is connected to a 120V(rms), 60Hz line. (a) Sketch and label the power triangle for the motor. (b) Find the rms current into the motor.
Design by direct implementation the electronic circuits for equations as the following logic equations using any real 1, 2, or 3 input logic gates. Assume all signals are high true (positive logic) and do not simplify the equations.
The potential energy of a system of two particles separated by a distance r is given by the equation below, where A is a positive constant. U(r) = (A)/(r^11) Find the radial force vector F that each particle exerts on the other.
Now assume that the doctor knows that 1 in 100 individuals with symptom G will have the rare disease, and he only orders the test when individuals have symptom G. Given that one of the doctor's patients tests positive.
(a) Calculate the transformation matrix used to rotate an image by 45o clockwise about the Zaxis. (b) How would you use this transformation matrix to achieve the desired rotation (c) Use the transformation matrix to rotate the image point (x,y) = (0,..
A sensor with a nominal resistance of 50 ? is used in a bridge with R1 = R2 = 100 ?, V = 10.0 V, and R3 = 100 potentiometer. It is necessary to resolve 0.1 changes of the sensor resistance. A) At what value of R3 will the bridge null
A 415V to 11 kV transformer has a rating of 200 kVA. The winding resistance and leakage reactance when referred to the primary are 0.014 and 0.057 ohms respectively.
Find the characteristics equation and the corresponding roots for the following ODEs and identify its case a) y" + 6Y' + 9y=0 b) 10y" + 18y' +5.6y=0 c) 10y" + 50y' + 65y =0 Slove the intial value problem a) problem 2a) with y(0)=2 and y'(0)=-5
In a voltage stabilizer circuit with a Zener diode, the output voltage decreases when touching the zener diode with your fingers when no load is connected. Ideally, the output voltage should not drop. Explain why there is a decrease in output volt..
A digital system is described by the following difference equation: y[n] = x[n] - 0.3 x[n-1] + 0.28 x[n-2] Find the transfer function H(z), the denominator polynomial A(z), and the numerator polynomial B(z).
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