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The one line diagram of a simple three-bus power system is shown in the figure below. Each generator is represented by an emf behind the transient reactance. All impedances are expressed in per unit on a common 100 MVA base, and for simplicity, resistances are neglected. The following assumptions are made:
Determine the fault current, the bus voltages, and the line currents during the fault when:
(a) a balanced three-phase fault with fault impedance Zf = j0.02 pu occurs on bus 1;
(b) a bolted 3-phase fault occurs on bus 3.
Q. Illustrate working of Differential Amplifier? Figure shows a weighted differencing amplifier, where "weighted" refers to the fact that the output voltage has the form v o =
A four-pole, three-phase inductionmotor is energized from a 60-Hz supply. It is running at a load condition for which the slip is 0.03. Determine: (a) The rotor speed in r/min.
Semiconductor Material: Semiconductor is a material that has a conductivity level somewhere between the extreme of an insulator and a conductor Resistivity of a material
Q. At the two terminals (A, B) of a one-port network, the voltage and the current are given to be v(t) =200 √2 cos (377t + 60°) V and i(t) = 10√2 cos(377t + 30°) A. (a) Determin
Q. Consider the bridge circuit given in Figure with R 1 = 24 k, R 2 = 48 k, and R 3 = 10 k. Find R when the bridge is balanced with V = 0.
Discuss need of Caches. Caches are other big thing done in the last 2 decades to enhance performance. Keep things locally when they are going to be used soon. By a physics vie
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Q. For the coupled coils shown in Figure, a dot has been arbitrarily assigned to a terminal as indicated. Following the dot convention presented in the text, place the other dot in
With the help of neat and clean diagram illustrate the working of Elecro Static Precipitator (ESP). Describe the following: (a) Coal Handling Systems (b) Coal Storage
short notes on thermal runaway
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