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A 120 kVA transformer is to be parallelled to a 60 kVA transformer. Each transformer has rated voltages of 10kV-120V at 60Hz.
Tranformer 1, parameters referred to primary:Rc=250k OhmReq=25 OhmXm=45k OhmXeq=150 Ohm
Tranformer 2, parameters referred to primary:Rc=400k OhmReq=30 OhmXm=90k OhmXeq=300 Ohm
When supplying a 250A load at 0.85 PF, what is the total input current and power factor if the output terminal voltage is 125V?
A star-bus hybrid topology consists of a main three branch star toplogy with each branch connecting three stations in a bus topology. This toplogy is changed to a new bus-ring hybrid topology with main five station bus topology.
A series of combination having R=2Mohm and C=0.01 UF is connected across a D.C. voltage source of 50V. Determined capacitor voltage and charging current after 0.02s, 0.04s and 1 hour.
Convert the following to hexadecimal 1600 sub script 10 2. compute the sum of the following pairs of signed 6-bits binary numbers. In parallel, show the operands and the answer in decimal. Indicate if or if not an overflow occurs.
The ATSC broadcast television system used in the US transmits video signals at an average rate of 18.34 Mbps and employs 8-VSB modulation.
A binary channel with capacity 36 k bits/sec is available for PCM voic transmission. If signal is band limited to 3.2 kHz, then what will be the appropriate values of quantizing level L and the sampling frequency.
The discussion must address phase angle relationships of current and voltage. The answer must include the effect of source frequency on the voltage drolps across the resistor and the inductor at very loave and very high frequency values.
Simplify the Boolean function f(a,b,c,d)= sigma m(1,3,4,5,12,13) into a hazard free logic function and implement that function with two level NOR logic gates.
1. Determine the minimum value of gain K when Gc(s)=K, so that the steady-state effect of a unit step disturbance Td(s)=1/s is less than or equal to 5% of the unit step (y(inf)=0.05). 2. Determine whether the system using the gain of part 1 is stab..
consider the back to back cascade of an ideal C to D and D to C converter. Both have the same sampling rate fs. Suppose that the signal being sampled is: x(t) = cos(324*pi*t - pi/4) + cos(80*pi*t - pi/4)
1) Find the transient and steady-state responses of the system using frequency domain methods. 2) Find the forced and natural responses of the system using frequency domain methods. 3)Find the 0+ conditions for the system's step response and impulse ..
Consider a product data sheet for a photo-detector that states an optical power level of -32dbm is need at the photo-detector to specify performance requirement. What is the power level nW (nano Watts)
In multiplicative decrease, the congestion window size decreases by half(if the result is not an integer round down to the nearest integer).Suppose that the two TCP connections C1 and C2, share a single congested link of speed 30 segments per seco..
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