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Assume that the generator field current is adjusted to supply 3200 V under rated conditions. What is the static stability limit of this generator? (Note: You may ignore RA to make this calculation easier.) How close is the full-load condition of this generator to the static stability limit?
two electronics students are discussing electrical units. student a says that electrical power is measured in units
Assume that there is a resistance of 2.70 k in a system and there is a current of 2.2 Amps flowing thru it. How much energy is consumed by this component in 24 hours
A radio wave that may be considered a uniform plane wave propagates through the ionosphere and interacts with some charged particles which are moving with a velocity a tenth the velocity of light in the direction normal to the magnetic field of t..
a. Neglecting resistance, determine the synchronous, transient and sub-transient reactances. b.If the machine is delivering 1.0 p.u. current at 0.8 power factor lagging at the rated terminal voltage when the short circuit is applied.
A 360 nm thick film floats on the surface of the water. The indices of refraction of the oil and the water are 1.50 and 1.33, respectively. The surface of the oil is illuminated from above at normal incidence with monochromatic light.
Metal sphere 1 has a positive charge of 8.0 nC. Metal sphere 2, which is three times the diameter of sphere 1, is initially uncharged. The spheres are then connected together by a long, thin metal wire. What are the final charges on each sphere
The expression for the steady-state voltage and current at the terminals of a given circuit are, V(t)=170cos(120pt + 50°)volts i(t)=40sin(120pt+68°)amps 1-What is the phase difference between the voltage and current
Identify the bus types and the unknown variables of the power flow problem. Write the complete set of equations needed to solve the load flow problem.
Consider a hollow cylinder with a length L along the z-axis and a radius R and a charge -Q, containing a wire also of length L and charge Q running co-axially to the cylinder at its center.
(a) How many atoms are there in the unit cell characterizing the Si lattice (b) Verify that there are 4.994 X 1022 atoms/cm' in the Si lattice at room temperature. (c) Determine the eenter-to-center distance between nearest neighbors in the Si lattic..
A 10m diameter cylindrical tank is emptied by a constant outflow of 1 m3 /min. A two position controller is used to open and close a fill valve with an open flow of 3 m3 /min. For level control the neutral zone is 1m and the setpoint is 10m.
Design an RC-Low Pass Filter with cutoff frequency at fc=0.5GHz and plot its frequency response and design a parallel resonance circuit with resonance frequency of 30kHz and bandwidth of 20kHz and plot its frequency response.
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