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Design the electrical system for a shopping center with 500,000 square feet at least 30 spaces of three different sizes (5,000, 10,000 and 25,000 sf). They may be offices, banks, restaurants and shops. They must design the electrical distribution system and interior lighting for each of the three types (including fixtures, receptacles, branch sizes and feeders, substations, protection, and grounding systems, short circuit study, and voltage drop ).To the mall should design the electrical distribution system (including power supplies for system sizes of central A / C water heaters and other equipment areas, size and feeder substation, protection, and grounding systems; study short circuit, and drop in voltage). Use the most appropriate voltages in each case.Draw diagrams monoline and plants with all notes, details and schedules as it deems necessary panels. Provide evidence of your computations short circuit and voltage drop for each case.
A three-phase substation transformer operating at 34.5kV is loaded to 24 MVA. What is the per-phase current? (assume balanced conditions)
1) Modern technology has produced a small 1.5-volt alkaline battery with a nominal stored energy of 150 joules. For how many days will it power a calulator that draws a 2-mA current 2)The current entering the positive terminal of an element is
sketch the spectrum
Use a chain of flip-flop to implement a shifter register
calculate the minimum sampling interval (time period for counting the pulse train) to achieve a speed resolution of 5 rpm, and the number of bits that must be there in the binary counter if the pulse train is to be sampled with this interval for a..
If an electric field in free space of 57.1 V/m makes an angle of 41 degrees to the surface normal of a dielectric slab with relative permittivity 4.01, what is the value of the electric field perpendicular to the surface just inside the slab
The purpose of this project is to design a device that would remotely control (from a Bluetooth-enabled mobile phone for instance) at least two actuators (e.g. relays and switches).
1. What is the force on a 10 cm wire carrying 1.0 A in a uniform magnetic field of 500 gauss 2. In the above example, if the current is in a loop of width 6.0 cm and the coil lies in the plane of magnetic flux, what is the torque on the loop
a plane wave is obliquely incident onto the planar interface between mismatched, lossless, nonmagnetic, uniform media, yet undergoes no reflection. If incidence is at 54 degrees to the normal, at what angle to the normal does the transmitted wave ..
draw out a schematic that implements a 3-bit XOR gate, but consisting of only 2-bit NAND gates. Your schematic should have from 8-10 NAND gates, but NO other logic function such as OR, AND, INV gates can be in your final design.
Use MATLAB to compute the inverse Laplace transform of X(s)=(s^2+2s+1)/(s(s+1)(s^2+10s+50)) and determine the value of x(t) in the steady state. How would you be able to obtain this value without computing the inverse? Explain.
A circuit contains two devices that are connected in parallel. If the resistances of one of these devices is 12ohms and the resistance
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