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We have a balanced y-y system where the total power delivered to the Load is 1188 KW. wITH A lAGGING pOWER fACTOR OF 0.6. tHE LINE VOLTAGE AT THE LOAD IS 6600v. The line Impedance is 0.5+0.4j ohms.
a) Find the power lost in the line.
b) To reduce the line loss we want to reduce the Magnitude of I by 36.755%. To accomplish this we use a bank of Delta connected Caps across the Load. Let frequency=60hz. Find the value of the Caps.
The upper and lower conducting plates of a large parallel-plate capacitor are separated by a distanced and maintained at potentials V0 and 0, respectively. A dielectric slab of dielectric constant 6.0
A 240kW 500V 1750 r/min separately excited dc generator has an overall efiiciency of 94%. The shunt field resistance is 60 ohms and the rated current is 5A. The I^2 R loss in the armature is 0.023 pu.
If 15 newtons of force is applied to a surface and the pressure is measured as 4,000 Pascals, what is the area of the surface in units of square meters
Compare these results with the ones for analog filter and comment. Notice that the frequency response of digital filter has linear normalized frequency in [0,f] when the bode plot gives a logarithmic frequency axis of different range.
The command in AutoCAD can be a time-saver, particularly when you're working in an application where you want to move a door or windows within walls on a drawing and don't want to redraw the walls.
Determine the power consumed by the two elements, determine the current leaving the source, determine the power factor and specify leading or lagging. Also, determine the size of the capacitor (in kVARs) needed to bring the power factor to 1
A cold heading operation is performed to produce the head on a steel nail. The strength coefficient for this steel is 600 MPa, and the strain hardening exponent is .22. Coefficient of friction at the die-work interface is .14.
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Design a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
To understand this, imagine we paint one of the blades of an airplane propeller so that we can identify it from the other blades. We will then turn the propeller at 33 rotations per second, in a clockwise direction.
A long cable with cylindrical cross-section has inner conductor of radius a and an outer conductor of inner radius b and outer radius c. The dielectric constant of the material between the conductors is 3.
a. Determine the frequency and the period of x(t) b. Given another signal, y(t)= sin(3/4(t+1)+3/8), is y(t) identical to x(t) Why c. Given a discrete time signal x[n] = cos(3/4(n+1/2)+1/4) is it periodic Why
Let x and y be Bernoulli randon variables that take on values 1 and 0. X is distrubuted with p = 0.5. What distribution on y will maximize the Kullback-Leibler divergence (D(x||y)
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