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A non-salient pole, Y-connected, three-phase, two-pole synchronous generator is connected to a 400-V (line to line), 60-Hz, three-phase line. The stator impedance is 0.5 + j1.6 Ω (per phase). The generator is delivering rated current (36 A) at unity power factor to the line. Determine the power angle for this load and the value of Eb for this condition. Sketch the phasor diagram, showing Eb, IS, and VS.
Find and sketch this system's output when the input is the depicted signal (Figure 2.19).
A Schottky diode is formed between a metal of work function eφm=4.7eV, and a semiconductor of electron affinity eφB=4.0eV. The semiconductor is n-type with Nd=1016 cm-3, Nc=1019 cm-3 and εR =12.
The preceding example demonstrated the required amplitude response of the VSB filter. We now consider the phase response.
How long will a D cell battery of 3.7V, with an ampere-hour rating of 2200mAH, that is connected in a circuit which requires a current of 20 mA?
Design a series resonant circuit to have a bandwidth of 400 Hz using a coil with a Ql of 20 and a resistance of 2-ohm. Find the values of L and C and the cutoff frequencies
2a.) Find A dot B if A = 3e1+ 5e2-e3 and B = e1 -e2+ e3 if e1 dot e1 = 2, e2 dot e2 = 3, e3 dot e3 = 5, e1 dot e2 = -1, e1 dot e3 = -3, e2 dot e3 = 2
Design an experiment that allows frequencies between 300-3300 Hz to pass with a 14 dB gain. At f = 10 KHz and f = 100 Hz, the gain should be -16 dB. Use a cascaded design consisting of first and second order Butterworth sections.
A serial input finite state machine has one input and one output. The output becomes 1 and remains 1 thereafter when at least two 0's and at least two 1's have occurred as inputs, regardless of the order of occurrence. Draw a state diagram for the..
A recent study has been carried out concerning radio propagation in railway tunnels. In this study, two railway tunnels of rectangular cross section are considered. Tunnel 1 has transverse dimensions of width a = 8 m
a. If the signal is passed through an envelope detector, determine the output of the envelope detector. Is demodulation satisfactory b.What is the ratio of the max to min value of the signal at the output of the envelope detector
Draw a circuit model of the path of current through the human body for a person touching a voltage source with both hands who has both feet at the same potential as the negative terminal of the voltage source.
write a program to compute the power loss in a transmission line with a resistance of .05ohms/mile. compute the power loss if 500kw of power is transmitted from a power generating station to cities at distances of 20, 30, 40, 50,...100 miles at 10..
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