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A three-phase round-rotor synchronous generator, rated 10kV, 50MVA, has armature resistance R of .01 per unit and synchronous reactance of Xd of 1.65 per unit. The machine operates on a 10-kV infinite-bus delivering 2000 A at 0.9 PF leading. a) Determine the internal voltage Ei and the power angle Delta of the machine. Draw a phasor diagram depicting its operation. b) What is the open-circuit voltage of the machine at the same level of excitation? c) What is the steady-state short-circuit current at the same level of excitation?
An FM transmitter delivers to a 75 ohm antenna a signal voltage of V (t)= 1000 sin (10^9t+4 sin 10^4t), determine: (a) carrier frequency; (b) intelligence frequency; (c)modulation index; and (d)total power in FM signal
A baseband channel has a bandwidth of 10kHz. A) How do i determine the maximum symbol rate (in kbaud) if the channel is noise free B) How do I determine the channel capacity (in kibits/s) for binary encoding if the channel is noise free
(b) Verify that there are 4.994×(10 to the power 22) atoms per cubic centimeter in the Si lattice at room temperature. (c) Determine the center to center distance between nearest neighbours in the Si lattice.
Suppose your circuit laboratory has the following standard commercially available resistors in large quantities: Using series and parallel combinations and a minimum number of available resistors, how would you obtain resistances for an electronic..
Write a HCS12 assembly-language program that copies values from ARRAY1 to ARRAY2 until it copies 10 values, or a value in ARRAY1 that is equal to zero.
What should the signal definitions be for the equations, such that the minimal about of hardware (gates) are used assuming we have an abundance of NAND gates Show the signals definitions and resulting circuitry.
The transfer equation is V_out/V_in. if you factor the second order polynomial what are the two first order polynomials. How do these compare with the first order filter. Has the -3db changed.
Three of the above single phase transformers are connected as a 3-phase transformer bank. The high voltage side of the transformer bank is connected in Y and the power is supplied to the transformer bank through a transmission line
What are some of the possible biases and points of error that may arise in team communication systems and what are the advantages and disadvantages of a transactive memory system (TMS) in a team
A common-emitter amplifier with an emitter resistance RE, but without an emitter by-pass capacitor CE is good for high input resistance, common-emitter amplifier using an emitter by- pass capacitor is good for high voltage gain
Design a Common Emitter amplifier with no bypass capacitor to obtain a voltage gain of -10 when Rin= 2k, Rload= 4k, VCC= 15V, VBE= 0.6V, and beta= 300. This amplifier requires an output swing of 4V peak-to-peak.
In a long cilindric wire with a radius of 2 cm, a corrent with 80A goes thorugh it. What is the magnetic energy per unit of wire lenght?
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