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Problem 1:
Consider a 75kVA, 7500/480V, 60 Hz distribution transformer and following test data: O/C Test (on Primary) - VOC = 7500V, IOC = 0.35 A, POC = 473 W and S/C Test (on Primary) - VSC = 499V, ISC = 10A and PSC = 1050 W. Determine the following:
a) The value of the load impedance connected to the low-voltage side that will cause the
transformer to be fully loaded
b) The value of such a load impedance referred to the high-voltage side
c) The values of the load current referred to the low-voltage and high-voltage sides
d) Write a MATLAB program to calculate all quantities and compare your hand calculation
Traffic lights are being converted from incandescent bulbs to LED arrays to save operating and maintenance costs. Typically each incandescent light uses three 100-W bulbs, one for each color R,Y,G,A competing LED array consists of 61 LEDs.
What, exactly, is necessary to establish electrical continuity between two wires. If want to have an electric current flow out of one wire and into another, what must be done with those two wires to make that flow path complete.
What does a small delay spread indicate about the characteristics of a fading channel. If delay spread is 1microsecond, will two different frequencies that are 5 MHz apartexperience correlated fading.
hello dear ltbrgt so i want a high advance research paper title graded index fiber . i want my research includes
For x(t) --> Linear System --> y(t), x(t) = u(t)-u(t-1) and h(t) = 2e^-t*u(t) Sketch x(t) and h(t) Write down the generic form of the convolution integral Calculate y(t) for t 1, using the convolution integral method.
If there is two AC currents in a circuit and both have different angular velocity, is there a way to analyze the circuit by finding an equivalent angular velocity between the two currents and superposition can't be used
using the schematic design entry method design a logic circuit that has two 2-bit inputs x and y a 1-bit input
In a certain communications system a resonant-tuned circuit (tuned at 1200 kHz with Bandwidth = 15 kHz) is connected to the output of a non-linear amplifier (mixer). Find the frequency components at the output of the resonant-tuned circuit
A rectangular coil carrying a current of 2 A (counter-clockwise) is located on the xy-plane in the presence of B = 2ux - uy + 1.5uz . Its corners are the points (±1, ±2, 0). Find the force experienced by each of the four sides of the rectangle.
Consider cold windy breeze parallel to your face, with an average facial dimension along the flow of 5 cm. The air velocity is 1 m/s (corresponding to 2.2 miles per hour). Assume laminar flow. 1) Calculate the thickness of the velocity boundary la..
Consider an object that has homogeneously textured surface with maximum spatial frequency of (fx,fy)=(3,4) cycle/ meter and that is moving at a constant speed of (Vx,Vy)=(1,1) meter/second.
what role does imit enablement play in the following areas of kl enterprise corporate activities? by that i mean how
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