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1. By consulting books on synchronous generator experiments, find out about and describe the methods that can be used to empirically determine the parameters of a synchronous generator.
2. During a transient in an electrical power system, the electromagnetic transient process in the electrical network is much faster than the rotor flux dynamics of the generator, so in the synchronous generator model that is used to analyze the electromechanical transient process, the time derivative of stator winding flux linkage is taken to be zero. Analyze the effect of this approximation on calculation quantity
Iindicate whether the element involved is a capacitor, an inductor, or a resistor, and the value of C, L, or R if sufficient data are given
Find out the frequency components at the output of a resonant-tuned circuit tuned at 1200 KHz with a bandwidth of 15 KHz and connected at the output of a non-linear amplifier (mixer).
The center director promises that the number of breakdowns will rarely exceed 8 in a one week period. Is the director safe in making this claim? Why or why not?
A 22.5 ohm resistor is connected across a 15 V battery. What value resistor should be used to generate the same amount of heat if the power source is 283 Vp-p at 60 Hz
Draw a block diagram for a datapath that contains: an 8-word, three-port register file; an ALU that accepts operands either from the datapath or from an external source; and a shifter that shifts the A operand from the register file before it goes..
The mixer phase detector characteristic shown in Figure exhibits a zero gain at the peaks, e.g., at ?φ = 0. A PLL using such a PD would therefore suffer from a zero loop gain at these points.- Does this mean the PLL would not lock?
Three-phase inverter has Y-connected load of 10 ohm and 23mH inductance. The inverter frequency is 60Hz and the dc input voltage is 200v. Calculate line voltage rms? , Phase voltage, rms?
Find the maximum frequency shift occurring because of the SPM-induced chirp imposed on a Gaussian pulse of 20-ps width (FWHM) and 5-mW peak power after it has propagated 100 km. Use the fiber parameters of the preceding problem but assume α = 0.
A platinum RTD with α = 0.0039 is used with an instrument designed for α = 0.0037. Determine the indicated temperature of the instrument when the actual temperature is 99ºC.
While in principle it is feasible for business schools to write explicit pay-for performance contracts with professors, this is rarely done
At a point 0.5 m downstream from the leading edge, the local shear stress at the wall is 282 N/m2. The gas temperature at the wall is equal to standard sea level temperature. At this point, calculate the velocity gradient at the wall normal to the..
Find also the area of the inlet pipe given that the specific volume of the gases at inlet is 0.5 m3/kg.
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