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you have the task of ordering a replacement inductor for one that has become defective. The information on the nameplate has been painted over and cannnot be read. The machine that contains the inductor on 480V at a frequency of 60 Hz. Another machine has an indentical inductor in it, but its nameplate has been painted over also. A clamp-on ammeter indicates a current of 18 A, and a voltmeter indicates a voltage drop across the inductor of 324V in the machinethat is still in operation. After turning off the power and locking out the panel, you disconnect the inductor in the operating machine and measure a wire resistance of 1.2ohms with an ohmmeter. Using the indentical indoctor in the operating machine as an example, what inductance value should you order and what would be the minimum VARS rating of the inductor? Should you be concerned with the amount or wire resistance in the inductor when ordering ?
For the following differential equation, determine the Laplace transform, and put into transfer function form (note, one pole is at s = -3): (d^3 x(t)/dt^3) + (6 d x(t)/dt^2) +(11 dx(t)/dt) + 6x(t) = 6r(t) + (6 dr(t)/dt)
What property of the space charge region contributes to the collection of charge carriers and which is not present in the neutral regions where movement and collection are by diffusion. Which resistance term does this affect, series resistance, RS,..
Shunt capacitors are installed at the receiving end to improve the line performance. The line delivers 70 MVA, 0.8 lagging power factor at 64 kV. Determine the total Mvar and the capacitance per phase of the Y-connected capacitors.
We represent this by a non-overlapping sequence detector. In other words, asa soon as you detect the sequence, you will need to get another complete sequence to unlock. Therefore, you need to carefully choose to which state you will need to go.
AC Analysis Gain at Midband (with bypass capacitor in circuit) Connect the bypass capacitor using the switch.
write a program that would send out through the serial port an array of twenty bytes of data( need a FOR loop) stored in memory locations starting from 30H( must use a ponter) with even parity added as the ninth bit.( skip baud rate).
R1=1k ohms, R2=1.5k ohms and R3=3k ohms. Assume an ideal opAmp. Indicate the PEAK current in each of the resistors.
Connect a voltage divider to an output of a DC power supply. Design it to give an output that is 1/3 of the supply voltage. Furthermore, neither the power ratings of the resistors nor the current rating of the supply are to be exceeded.
In today's typical Ethernet, the stations are connected to anEthernet switch using twisted pairs. In this case, do we still needCSMA/CD to control the medium access Explain why.
Calculate the number of resistors and switches needed for a resistor ladder DAC for each case: a. 3 bit DACb. 7 bit DAC c. 25 bit DAC d. 42 bit DAC
a) How many ADC bits are required b) What is the maximum allowable noise at the amplifier output c) Design the analog amplifier/filter. A temperature transducer has the relationship: R= 200 + 10T where R is the O and T is in C(Celcius).
The circuit has a single Moore type output U which is 1 to unlock the lock, and 0 otherwise. Design the circuit with inputs Xa, Xb, Xc, and Xd, reset L, clock C, and output U. Use a 1-hot code for the state assignment. Implement the circuit with D..
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