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An industrial plant is to be supplied by three identical transformers. A decision must be made whether to purchased afourth transformer to build a sparing transformer system oralternatively, to configure the source as a secondary selective system. If the secondary selective option is chosen,a. how much larger must each transformer be to be able to supply the full plant load in the event that one transformerfails?b. how many additional circuit breakers must be purchased to provide the necessary bus tie capability?
Write a main program to call a procedure that converts the Fahrenheit temperature value stored in the location labeled TdegF to its Celsius equivalent. The range of temperatures is 32F to 212F. The procedure stores the converted temperature in loc..
A series-connected dc motor has RF+RA = .6 ohmns and draws IA = 40 A from the dc source voltage VT = 220 V, while running at 900 rpm. What is the speed for IA = 20 A Assume a linear relationship between IA and phi.
a certain shunt motor armature has a resistance of 0.07 and a current of 50 amperes at 120 volts. determine the counter emf
Digital Communication Techniques. A D/A converter has a 12-bit binary input. The output analog voltage range is 0 to 5 V. How many discrete output voltage increments are there and what is the smallest voltage increment
For a conductive metal the Fermi energy was determined to be 7.01eV at 300K. a)What is the probability of an electron occupying the energy level of 7.15eV b)What would the probability become if the temperature rises to 757°C
An AC signal has a peak value of 100 V and a frequency of 60 Hz. If the voltage crosses zero in a rising direction at t=0 seconds, what is the instantaneous voltage at t = 0.004167
a) Evaluate the net outward flux through the closed surface of the unit cube. b) Evaluate also the triple integral over le volume v and check if the divergence theorem is satisfied. F(x,y,z)=ix^2y+jy^2z+kxz^2
For the closed-loop system with plant model and controller given by G(s) = (s2+81)/(s2(s2 + 100)) D(s) = (K (S+1))/(S+13) (a) Find the locus of the closed-loop roots (poles) with respect to K;
The following 4 differential equations describe mass spring systems. Identify each system as either undamped, overdamped, underdamped, or critically damped (Justify your answer). Determine the angular frequency and period for the undamped and the ..
A uniform surface charge density of 20 [nC/m^2] is present on the spherical surface r=.6 cm in free space. (a) Find the absolute potential Φ at P(r =1cm,θ=25,φ=50). (b) Find Vab, given points a(r=2cm,θ=30,φ=60), and b(r=3cm,θ=45,φ=90)
The Ic was measured for different values of a load resistance. It was noticed that Ic was pretty much constant for the first 1900 ohms values, but then it suddenly decreased. Why did that happen
Explain why a PID controller is not a good idea for this process. Use Matlab to design a PD controller for this process. Repeat the design, but this time use a lead-lag compensation network to cancel the 0.731 time constant and replace it with a 0..
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