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(a) State two disadvantages of Time Graded Protection systems
(b) What is the preferred secondary current rating of a CT for a Differential Protection System? why is this rating preferred?
(c) State the minimum time grading interval between two relays and give reasons for this interval
(d) State the two rules of successful time grading relays
If you are asked to build an 8 bit odd parity generator/ checker with the output ERROR=1. when there is a 1 bit error, which type of gates, XOR or XNOR is simpler to use Explain
send the pattern 0x99 to Memory Location VAR2 and call the delay function one more time. Repeat this operation eight times using a for loop. Assume that the bus clock frequency is 24MHz. Write the delay using inline assembly language.
derive a static nmos pass-transistor implementation of the following logic function f ab.c so that the number of
Write general expressions for the electric and magnetic fields of a 1=GHz sinusoidal plane wave traveling in the +y-direction in a lossless nonmagnetic medium with relative permittivity er=9.
The read arm of a computer disk drive has the transfer function of G(s) = 1000/s^2. Design a digital controller that has a bandwidth of 100 Hz and a phase margin of 50 degrees. Use a sample rate of 6kHz.
An indiviual wishes to deposit an amount of money now and $100 every six months so that at the end of five years $1500 will have been accumulated. With interest 4% per year, compounded semiannually, how much should be deposited?
The manufacturer of a 9V dry-cell flash light battery says that the battery will deliver 20mA for 80 continuous hours. During that time the voltage will drop from 9V to 6V.Assuming the drop in voltage is linear with time.
With the following Boolean equations sketch a Moore Machine J0= Q'0 and y J1= Q2 and y or Q0 and y' J2 = Q1 and Q0 and y' K0 = Q0 and y' K1 =Q'0 and y' or Q'2 and Q0 K2= Q2 and Q'0 Use J-k flip flops for the Moore Machine J and K represent the fli..
An engineer decides to take 600 samples at sampling frequency 9000Hz. A Fast Fourier Transform (fft) program was applied to obtain the frequency spectrum of the signal. What is the frequency resolution,df, for the analysis
This will require two transformations from rectangular coordinates, one in the spatial domain and one in the frequency domain. There are two key transformations. Explain. Hint: This problem involves Bessel functions of the first kindof orders zero ..
A circular loop of radius a is located in the y-z plane center at the origin in the presence of a uniform B field pointed in the +x direction. At t=0 the loop is rotated counter clockwise with radial frequency about the z-axis.
Determine which of the machines with the following specifications is realizable with a finite number of states. 1) A machine is to produce an output of 1 whenever the number of 1's in the input sequence exceeds the number of 0's.
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