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A three-phase generator rated 480 V, 400 kVA is connected to a three-phase transformer rated 3.2 kV Y-grounded/480 V, 200 kVA, with reactance of 10%. The transformer is 100% loaded based on its rating at 0.9 pf leading. If the HV side of the transformer is maintained atrated voltage, compute the voltage regulation.
the total amount of electricity that could potentially be generated from wind in the U S has been estimated at 10.8*10^9 Mw-hr annually , if one tenth of this potential is developed, estimate the number of 2 Mw windmills
If we use the PC-relative addressing mode, and want to allow control transfer between instructions up to 50 locations away, how many bits of a branch instruction are needed to specify the PC-relative offset
The voltage and current at the terminals of the circuit element are zero for t 0 they are v = 90-90e^(-1000t) V i = 50e^(-1000t) mA A) Find the maximum value of the power delivered to the circuit B)
For each of the following functions, put the equation in the form of a Shannon decomposition. Create a pass transistor schematic to implement the function. Count the number of NMOS and PMOS transistors and the number of inverters.
A micrometer caliper is used to measure the diameter of a bolt and a reading of 0.768 inches is obtained. Based on this measurement, find the smallest possible diameter and the largest possible diameter.
The following MATLAB command has been used to perform offline filtering y=filter([0.8 -0.8],[1 -0.3],x); Where x and y are the input and output vectors, respectively. What is the transfer function of the filter
A sensitive IC (integrated circuit) on a circuit board is located 1m from a long power line carrying 10A. The power line generates a magnetic field. You can place a trace on a circuit board with current running parallel to the power line to cancel..
Find steady-state error to the unit ramp input. If it is greater than 0.1, design a lag compensator that helps to achieve the steady-state error (to the unit ramp input) no more than 0.1. (Hint: Use Matlab to nd the dominant closed-loop poles.)
A Na+ ion moves from inside a cell, where the electric potential is -70 mV , to outside the cell, where the potential is 0 V. What is the change in the ion's electric potential energy as it moves from inside to outside the cell
3) What factors started the decline in the nuclear power industry, and what events essentially ended new construction of nuclear power plants 4) What are three advantages of using AC power over using DC power
Two point charges, Q1 =30 C and Q2 =-100 C,are located at (2,0,5) m and (-1,0,-2) m, respectively. Find the force on Q1 and Q2.
An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor a..
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