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An overhead transmission line conductor having a parabolic configuration weighs 1.925 kg/cm2 pa metre of the length .The area of X-section of the conductor is 2.2 cm2 and the ultimate strength is 8000kg/cm2. The supports are 600 m apart having 15 m difference of levels.
Calculate the sag from the taller of the two supports which must be allowed so that the factor of safety shall be 5.
Assume that ice load is 1 kg per metre run and there is no wind pressure.
A 100 hp, 16 pole, 460V, three phase, 60hz induction motor has a slip of 2.4 percent when running at rated conditions. Determine (a) synchronous speed; (b) rotor speed (c) rotor frequency.
Compare the capacities of the fiber and conducting cables. How many of the conducting cables are required to equal the capacity of the fiber cable.
If f = 6 GHz, Z0 = 50 ,Cj = 0.1 pF, Rr = 0.5 , Rf = 0.3 , and Li = 0.4 nH, determine the insertion losses for the ON and OFF states.
A clock signal of 100 MHz (10^8 Hz) is available. Design a circuit that generates a sec- ond clock signal of 12.5 MHz. Design a 3-bit binary counter and the most significant bit is the desired clock signal.
Assume we are only interested in the baseband portionof m(t) that captures 90% of the signal's total power. What is the effective bandwidth of the new baseband signal of interest,r(t)
How to Wire Solar Panel to 220V inverter, 12V battery ,12V,DC Load?
To demonstrate that you understand the concept ofsource and sink, draw a diagram of a NAND gate sourcing an LED anda diagram of a NAND gate sinking an LED. In each case show theconnections to Vcc and ground.
Suddenly there is a short-circuit on the electric grid, and the electrical output goes to zero for 2 seconds. Calculate the increase in speed in rpm during this interval. Assume that the shaft-torque remains constant
A controlled three-phase six-pulse AC/DC converter is supplied with 60 Hz voltage of the line-to-ground RMS value U = 240 V with the output current ideally filtered by an inductor. The maximum DC power of the converter (Pd)max = 50 kW.
A permanent magnet generator has Kt = 0:02Nm/A . The terminal voltage is six volts. It is spinning at 2500 rpm. It is connected to a load with a resistance of 30W. Determine the counter torque and the power input.
What are the rated current and internal generated voltage of this generator? What field current does this generator require to operate at the rated voltage, current, and power factor?
Design a synchronous sequential circuit with one input line and one output line that recognizes the input string x = 1111. The circuit is also required to recognize overlapping sequence such that if the input string is x = 1101111111010
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