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1. A 50 km long transmission line supplies a load of 5 MVA at 0.8 p.f. lagging at 33kV. The efficiency oftransmission is 90%.
Calculate the volume of aluminium conductor required for the line when (i) single phase, 2-wire system is used (ii) 3-phase, 3-wire system is used. The specific resistance of aluminium is 2.85 x 10-8 Ω m.
2. A sub-station supplies power at 11 kV, 0.8 p.f lagging to a consumer through a single phase transmission line having total resistance (both go and return) of 0.15 Ω.
The voltage drop in the line is 15%. If the same power is to be supplied to the same consumer by two wire d.c. system by a new line having a total resistance of 0.05 Ω and if the allowable voltage drop is 25%, calculate the d.c. supply voltage.
Use a K-Map to simplify the function F(A,B,C,D) = Σ(0,1,2,3,8,9,10,11). Design a circuit that implements this function. Write the VHDL code.
Signal Analysis and Processing, Produce a diagram of the composite signal and produce diagrams of each individual component of the signal.
A plate of 1/4-in. thickness is corrugated as shown and then used as a beam. For a vertical shear of 1.2 kips
A square cross section, air filled toroid has Inner radius 12 cm. outer radius 14 cm. and thickness 2 cm. How many turns are required to produce an inductance of 1 mH
the donor concentration in a silicon sample at 300k is nd 1.2 x 1015 cm-3. 1 x 1016 cm-3 acceptor atoms are added to
The manufacturer's data sheet for a 26-kV, 750-MVA 60-Hz three-phase synchronous generator indicates that it has a synchronous reactance Xs = 2.04 and a leakage reactance Xal = 0.18, both in per unit on the generator base. Calculate
A pith ball of 10 gm carries a charge of 10 micro C. what must be a charge on a ball placed 10 cm directly above which will hold the pith ball in equilibrium
What is the clearance requirement for a 120/240 V, single-phase, three-wire service at the point of attachment to the building Over the driveway Over the main roadway
The forward transmittances of unity feedback tracking systemsare given below. For each, find the type number of the system, the steady state error coefficients k0,k1, and k2 and the steady state errors to unit step ramp, and parabolic inputs.
Design a square wave generator that will provide a 4kHz square wave with a positive peak vlaue of +10V and negative peak value of -10V. You may use any number of op amps, resistors, and capacitors in this design.
Consider a circuit that is connected to a phasor of 120V/0 degrees. The circuit feeds a 10 ohm resistor on the "hot" lead and then the circuit branches. One branch sees a 0.5A /60 degree phasor current source (oriented with "arrow oriented right)
Determine the relative probability of finding the electron at the distance (a) 12 A beyond the barrier, and (b) 48 A beyond the barrier, compared to the probability of finding the incident particle at the barriers edge. Plot the wave function for ..
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