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A three-phase, wye-connected, 400-V, four-pole, 60-Hz induction motor has primary leakage impedance of (1+j2) ohms and secondary leakage impedance referred to the primary at standstill of (1+j2) ohm
If the machine is driven at a speed of 459rpm to act as a generator of real power, find the rotor current referred to the stator and the real and reactive power outputs of the induction machine.
The power transferred across the air gap of a two-pole induction motor is 24kW. If the electromagnetic power developed is 22kW, find the slip. Calculate the output torque, if the rotational loss at
An induction motor takes 350kW at 0.8 power factor lagging while driving a load. When an overexcited synchronous motor taking 150kW is connected in parallel with the induction motor, the overall pow
Given an electronic sensor, measuring the speed and outputing it in voltages, we are asked to design this computer unit. Design an analog computer, getting the speed information from a sensor and re
Design a voltage-divider bias network using a supply of 24V, a transistor with a Beta of 110, and an operating point of IC = 4mA, and VCE = 8V. R2 = 7.5k. Choose VE = (1/8)VCC
Design an AC source system that can be used to power 120 Vrms, 240 Vrms, and 208 Vrms single phase devices depending upon the particular connection terminals. The system should have no individual so
signals are to be sampled at rates no less than their respective nyquist rates and are to be word-by-word multiplexed . this can be achieved by multiplexing the PAM samples of the four signals and t
Consider a superheterodyne FM receiver designed to receive the frequency band of 1 to 20 MHz with an IF frequency 8 MHz. what is the range of frequencies generated by the local oscillator for this r
1-State the Difference between capacitance and inductance 2- List four types of electrical source with brief description 3-What are the differences between Thevenin's equivalent circuit and Norton's e
Use nodal analysis to find VO in the network given below. Identify and label each node otherwise you will lose your marks. Write each step of the calculation to get maximum marks and also mention th
The input of the simulator will be a task set. Accept the number oftasks, the policy to be used (RM/DM), task set characteristics (task name, phase, period,relative deadline and execution time) and
The slopes in the direction field are all identical along horizontal lines and new solutions can be generated from old ones by time shifting (i.e., replacing y(t) with y(t - t0).
Design a decade up counter using JK flip flops. THe conter should count from 0 to 9 and back to 0, etc. Include a "COUNT" input to control the counter. THe counter will advance only if the COUNT = 1
There is some interest from industry to be able to track the solidification or drying of the paint layer as it happens to ensure correct thickness and material properties. One way to do this would b
The first stage is a common-emitter amplifier and the second stage is a common-collector stage. You should use one npn (2N3904) and one pnp transistor (2N3906) to design the circuit to meet the desi
Let X denote the number of accepted circuits. Let Y be a random variable which is 1 if the last (Nth ) IC was accepted and is zero otherwise (it is a Bernoulli random variable). (a) Write out the pr
Describe how a dielectric material responds to an alternating electric field. Describe how the permittivity might change with time for a polymer material like the paint as it dries and explain how t
An engineer decides to set up an experiment to try this idea out. He decides to use a large metal plate or substrate as one electrode, then paint it and then place another electrode (with a smaller
1)what are the significance of threshold voltage in enhancement mode MOSFET and depletion type MOSFET 2) draw the input , output and transfer characteristics of MOSFET
Consider a message signal m(t) containing frequency components at 100, 200, and 400 Hz. This signal is applied to a SSB modulator together with a carrier at 100 kHz, with only the upper sideband ret
Design and simulate a power supply that takes line voltage and produces a 15V output with less than .5% ripple voltage. For your design, provide all the data sheets, calculations and simulations for t
1. Find the Fourier transform of the signal by hand, using either the de nition of the Fourier transform or properties of the Fourier transform. 2. Use the Symbolic Math Toolbox to nd the Fourier tra
Let the filter length be 7 or 8. Design four different filters: Type I, Type II, Type III, and Type IV. Derive the equations for the ideal impulse response for these filters. Then multiply the ideal
In a ternary number system there arethree digits : 0, 1, and 2. The figure shown below defines aternary half-adder. Design a circuit that implements thishalf-adder using binary-encoded signals, such