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Assume that a symmetrical three-phase fault occurs on the 138 kV transmission line near to the point where it is connected to the transformer.
(a) How much current flows at the point of the fault during the subtransient period?
(b) What is the voltage at the terminals of the generator during the subtransient period?
(c) How much current flows at the point of the fault during the transient period?
(d) What is the voltage at the terminals of the generator during the transient period?
Typically, a speech signal that can be understood over a telephone shows frequencies from about 100 Hz to about 5 KHz. What would be the sampling frequency fs (samples/sec) that would be used to sample speech without aliasing.
A 3-phase power system consists of a wye-connected generatorconnected to the following loads, which are in parallel, through atransmission line. Load#1: Wye-connected load that consumes a total3-phase power of 3.6 kW at 0.8 power factor lag
Design an analog computer circuit (using minimum resistor values of 10 k ohms ) to obtain the summing (adder) function. Vo = -v1 -v2 +v3
A microscope has a 2.70-cm focal length eyepiece and a 0.630-cm objective lens. For a relaxed normal eye (assume a viewing distance of 25.0 cm), calculate the position of the object if the distance between the lenses is 13.5 cm
An amusement park manager was taking records of visitors for three months in the summer. In June the number of visitors was one-half of the number of visitors in July
Two alternatives to the MESI protocol are MOESI (used in AMD processors) and MESIF (first) used in Intel's Nehalem processor. If there's a shared bus like the Front Side Bus in which all processors can report their snoop results at the same ti..
water flows in a circular pipe. at one section the diameter is 0.3 m the static pressure is 260 kpa gage the velocity
consider a sinusoidal wave with frequency of 300khz as a carrier signal. we want to transmit a sinusoidal signal with
a) Determine if the following expression is valid by using a truth table and by using algebraic manipulation: X1X3' + X2X3 + X2'X3' = ( X1 + X2' +X3)(X1 + X2 + X3')(X1' + X2 + X3) b) Use algebraic manipulation to show if x'(y' + z') = x'y' +x'z'
Convert function H(A, B, C) = (AB + C)(AC + B) into both the sum-of-products and product-of-sums forms. Obtain the truth table and express the function in both canonical forms: sum-of-minterms and product-of-Maxterms.
A cable TV company delivers video signals over coaxial cable to individual houses. Video signals occupy a bandwidth of 6 MHz and are stacked in frequency from 50 MHz to 656 MHz without guard bands
A circle, centered at the origin with a radius of 2 units, lies in the xy plane. Determine the unit vector in rectangular components that lies in the xy plane, is tangent to the circle at (√3,1,0), and is in the general direction of increasing val..
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