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Consider the inductor of Problem. Write a simple design program in the form of a MATLAB script to calculate the number of turns and air-gap length as a function of the desired inductance. The script should be written to request a value of inductance (in mH) from the user, with the output being the air-gap length in mm and the number of turns. The inductor is to be operated with a sinusoidal current at 60 Hz, and it must be designed such that the peak core flux density will be equal to 1.7 T when the inductor current is equal to 4.5 A rms. Write your script to reject any designs for which the gap length is out of the range of 0.05 mm to 5.0 mm or for which the number of turns drops below 5.
Using your program find
(a) The minimum and
(b) The maximum inductances (to the nearest mH) which will satisfy the given constraints. For each of these values, find the required air-gap length and the number of turns as well as the rms voltage corresponding to the peak core flux.
A 75 hp, 60 Hz, 2300 V, 20 A, 2 pole, wye connected, design B induction motor with code K delivers rated horsepower at 3500 r/min. Assume the phase angle of the locked-rotor impedance is 75 degrees.
1. Consider the Nordex 1.3MW, 60-m wind turbine with power specifications given in table 6.7 located in an area with 8m/s wind speeds. a) find the average speed in the wind (W/m^2) assuming Rayleigh statistics.
An unknown semiconductor has a bandgap of 1.1eV and Nc = Nv. It is doped with 10^15 cm-3 donors where the donors fully ionized. Given that EF is 0.25 eV below Ec, calculate the concentration of electrons and holes in the semiconductor at 300 K and..
Construct the RC differentiator. Set the channel 1 input coupling switch to dc. Next adjust the dc offset, amplitude, and frequency controls of the function generator to produce the input waveform.
PROJECT: PIC18F TITLE: LCD CODE MICROCONTROLLER: LCD WRITE THE CODE TO PERFORM THE FOLLING TASKS: INTERFACE WITH LCD CONTROLLER INITIALIZE THE LCD CLEAN THE LCD INITIALLY DISPLAY NUMBERS AND LETTERS ON LCD POSITION THE CUSSOR WITHIN A NON MOVE TO THE..
A sinusoidal voltage with a peak-to-peak value of 15 v is applied to an RC high-pass filter. If the reactance at the input frquency is zero
Assuming that the current through and inductor is i l(t) = 10exp(-t/3). Find at what time this current dropped by 50percent of its initial value.
A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which the spherical radius is 40cm. Use Eq. 6.7 to estimate the worst-case varation in film thickness between the center and edges
What is the resistance of a 100W bulb when it is operating in a circuit supply of 120V
An unknown resistance Rx is connected in series with a 100 ohm resistor and a 120 V power supply. There are 2 values of Rx that will cause this resistance to dissipate 25 Watts of power. Find these 2 resitance values.
120V, 60 Hz source is connected to a distribution line whose resistance, and inductive reactance is 0.001Ohm, j0.002 Ohm, respectively. Single phase, 10HP, 120V, 0.85 pf. motor and 4Kw, 120V heater are connected in parallel.
a critically damped parallel rlc circuit is constructed from component valures 40Ω, 8nF, and 51.2μH, respectively. verify that the circuit is indeed critically damped and then explain why the circuit once fabricated is unlikely to be trruely criti..
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