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A 3.5 MVA, slow-speed, 3-phase synchronous generator rated at 6.6 kV has 32 poles. Its direct- and quadrature-axis synchronous reactances as measured by the slip test are 9.6 and 6 Ω respectively. Neglecting armature resistance, determine the regulation and the excitation emf needed to maintain 6.6 kV at the terminals when supplying a load of 2.5 MW at 0.8 pf lagging. What maximum power can the generator supply at the rated terminal voltage, if the field becomes opencircuited?
A repeater has an input signal of 150μW and an output signal-noise ratio of 20 dB. The repeater has a gain of A and additional noise of N. What relation should the two parameters satisfy to maintain an output noise figure less than 2 dB
At a design review for your first engineering project, you presentthe project to a panel of three senior engineers who will vote onwhether your project should be funded or not. The senior engineerswill vote using an electrical switch with two posi..
Design a synchronous sequential circuit with one input line and one output line that recognizes the input string x = 1111. The circuit is also required to recognize overlapping sequence such that if the input string is x = 1101111111010
Explain an engineering solution for the BP Oil Spill in the Gulf of Mexico. Discuss the impact of the above engineering solution in an environmental context. Do not discuss the environmental impact of the BP Oil Spill.
a flip-flop has a 3ns delay from the time the clock edgeoccurs to the time the output is complemented. What is the maximum delay in the 10-bit binary ripple counter that uses this type offlip-flop what is the maximum frequency the counter can oper..
If a patient is on a drip with a drip rate of f(t) = 150e^0.0167t mL/hr, calculate the amount of substance transferred into the patient over a time period of 10 hours, use time intervals of 1 hour. Compare
Characterize the environment as being accessible, deterministic, episodic, static, and continuous or not. What agent architecture is best for this domain?
Describe one practical application that uses an adder - What is a major advantage of using two's complement subtraction?
The voltage across a 1-µF capacitor is given by v(t)=100 e-100t . Find expressions for the current, power, and stored energy. Sketch the waveforms to scale versus time.
13A flows through the coil of a DC motor. The coil has a length of 0.4m and 0.3m. The coil has 36 windings and a flux of 0.21 Wb. If its rotational frequency is 936 r/min, calculate output power of the motor.
Consider a finite state machine that generates z = 1 when the previous four values of input variable 'w' are either '1001' or '1101'. Solve this problem by Mealy and by Moore. Show the state diagrams and the state tables.
Four voice signals. each limited to 4 kHz and sampled at Nyquist rate are converted into binary PCM signal using 256 quantization levels. what will be The bit transmission rate for the time-division multiplexed signal.
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