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A 50 kW, 230 V dc shunt motor has an armature resistance of 0.1 Ω and a field resistance of 200 Ω. It runs on no-load at a speed of 1400 rpm, drawing a current of 10 A from the mains.
When delivering a certain load, the motor draws a current of 200 A from the mains. Find the speed at which it will run at this load and the torque developed. Assume that the armature reaction causes a reduction in the flux/pole of 4% of its no-load value.
plot the frequency spectrum (both amplitude and phase spectra) using MATHLAB for |k|
What is the Difference between Unilateral and Bi-Lateral Circuits & Elements ?
A sinusoidal message signal has a frequency of 10 Hz. The signal is the input to an FM modulator with an index of 8. Determine the bandwidth of the modulator output if a power ratio, Pr = 0.8 is required.
A Bandpass Filter, made up of a High pass RC circuit to a Low Pass RC circuit has values of R1=R2=10.0 kohm and C1=C2=0.01uF is created. Varying the driving frequency from 10Hz to 1MHz in decades and measure Vout and the phase angle.
given the equation: τ=(t2-t1)/ln(v1/v2) and need to derive this equation: v(t)=(const)(e-t/τ) in order to do so. How to derive the second equation properly to get the first equation
You are an electrical engineer for Packaging, Inc. Your boss has assigned you a project to program a pick and place system using a robot to remove cases from a conveyor to a pallet. provide a narrative description of how your system will work.
The frequency of a clocking signal is 10MHZ and it is used to sample serial data stream. If the data must be stable for 15ns before the leading clock edge and for 10ns after the leading clock edge, how much time is available to change the data bet..
Assume white Gaussian noise of zero means and power spectral density No/2 is added to the signal at the receiver input. Find the expression for SNRout (SNR at the output of the receiver)
How can an Si shaped pulse response be trimmed by means of a schematic circuit.
If the distance between two slits is .0500 mm and the distance to the screen is 2.50 m, find the spacing between the first and third order bright fringes for light of wavelength 700 nm.
A windmill park produces energy at a tension level of 11kV. The park is going to be coupled up with a 11kV net not far from the park. To reduce the loss in transer the tension is tranfomred p at the parka nd down again right before coupling to the..
Write the VHDL text file for a circuit to implement the arithmetic circuit that subtracts two 12-bit numbers (B from A) and adds a third 12-bit number (C) from the result. Use INTEGER types
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