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A single phase 50KVA ,2400/240 V , 60 Hz distribuition transformeris used as a step down transformer is used as step down transformer at the load end of a 2400 voltfeeder whose series impedance is (1+j2)ohms . the equivalent Series impedance of the transformer is (1+j2.5)ohms reffered to the highvoltage (primary) side. the transformer is delivering rated load at0.8 power factor and at rated secondary voltage. neglecting thetranformer exciting current , determinea) the volatge at the transformer primary terminalsb) the volatge at the sending end of the transformerc) the real and reactive power delivered to th esending end of the feeder.
Consider the simple model for HTTP streaming. Suppose the server sends bits at a constant rate of 2 Mbps and playback begins when 8 million bits have been received. What is the initial buffering delay
An open-circuited 50 Ohm microstrip transmission line is used in a microwave amplifier circuit to provide a capacitance of 3.2 pF at 2.3 GHz. (a) Find the appropriate electrical length of the line and (b) Find the lumped element values of the open..
which has higher resistance: the copper wire that carries the power from Bonneville Dam to your circuit breaker box, the copper wire that carries the power from there to your computer, or the copper wire that runs from the from one side of the chi..
Two friends A and B meet every morning at the Grand Central Station around 7 am. Suppose the actual times they arrive are independent and uniformly distributed between 6:55 am and 7:05am.
Transfer function in s t = [0-2*Ts : Ts : Tmax] ; Find the actual solution using the inverse laplace transform syms ycont ycont = ilaplace(Gs,t) Sampling times of 0.01, and simulation runs for 10 seconds
The inductance of an air core coil is 0.08H, and the effective resistance is 4 ohms when a 60V, 50Hz source is connected across the coil. Find the current passing through the coil and the reading of a watt meter across the coil.
A Three phase thyristor converter, VLL=460V (rms) at 60 Hz, and Ls=5mH, the firing angle "a " is 30 degrees electrical, the converter is consuming 5Kw, the DC current is assumed to be constant.
Three identical point charges of 4 picoC each are located at the corners of an equilateral triangle 0.5 mm on a side in free space. How much work must be done to move one charge to a point equidistant from the other two and on the line joining the..
A silver-coated sphere of radius 5 cm carries a total charge of 12 nC uniformly distributedon its surface in free space. (a)Calculate |D| on the surface of the sphere and (b)external to the sphere
Describe three methods of comparing techniques to improve the first swing electromechanical transient behaviour of such a generator.
Suppose that we are designing a cardiac pacemaker circuit. The circuit is required to deliver pulses of 1-ms durstion to the heartthat can be modeled as a 500-Ω resistance. The peak amplitudeof the pulses is required to be 5 V.
The teacher decides that he will not lecture unless at least k of the n students enrolled in class, are present. Each student will independently show up with probability pg if the weather is good, and with pb if the weather is bad.
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