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1. What are the purpose and significance of small-signal stability analysis for electrical power systems?
2. What are the basic principle and basic procedures of small-signal stability analysis?
3. What are the main methods to solve the eigenvalues of a linearized electrical power system? What are their advantages and disadvantages?
Derive an expression for the detection gain of a DSB system for the case in which the bandwidth of the band pass predetection filter is BT and the bandwidth of the
A diode operating at 300K at a forward voltage of 0.4V carriers a current of 10mA. When voltage is changed to 0.42V the current becomes thrice. Calculate the value of reverse leakage current and ? for the diode(assume VT= 26 mV).
Determine how many total hours per year the 25 machines in the department are under repair both before and after the preventive maintenance program is installed.
Consider a plane wave normally incident on a half-space of copper. If f=1GHz, compute the propagation constant, intrinsic impedance, and skin depth for the conductor. Also compute the reflection and transmission coefficients
Design a half-wave rectifier as a dc power supply that delivers 0.2A and 15V peak values to a load. The ripple voltage is to be no more than 0.4V peak to peak. The rectifier is led from the voltage line (120Vrms, 60Hz) through a transformer.
A 100-KVA, 2500/125-V, 50-Hz, step-down transformer has the following parameters: RH= 1.5 ohm ,XH= 2.8 ohm , RL=15 m omh XL = 2.m ohm, ,RcH=3 k ohm, XmH = 5k ohm. The transformer delivers 85% of the rated load at a terminal voltage of 110V
Application: Charge density in coaxial cable connected to a battery. A very long, solid cylindrical conductor of radius b is placed at the center of an equally long, thin, cylindrical shell of radius a as shown in Figure 4.64 to form a coaxial lin..
Consider a 1-D infinite potential well. The potential function is given by V(x)=0 for 0
Suppose a certain causal signal f(t) has a Laplace transform F(s) = 1. If f(t) is sampled at times kT where T is a constant time interval and integer k>=0, what are the sample values
DRAW A TRUTH FUNCTION TABLE INDICATING WHETER THE CR MAY BE STARTED BASED UPON WHETHER A PASSENGER IS PRESENT AND WHETER BOTH PASSENGER AND THE DRIVER HAVE BUCKLED THEIR SEAT BELTS.
You have a 10 nH inductor. What value of capacitor should you put in series with the inductor to achieve an impedance of Z=j50 ohm at f=1.0 GHz
Explain how primitive values like doubles are passed between functions in Java. How are string objects passed between functions in Java How are static methods different from non-static methods How do you invoke a static method
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