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The no-load voltage of a Y-connected synchronous generator is 3646V. When the generator delivers the rated load of 432kW at 0.8pf lagging, the terminal voltage is 3117.69V. If the armature winding resistance is negligible, determine the synchronous reactance of the generator. When the load is changed to 80 + j60 per phase, determine the terminal line to line voltage.
The average voltage across the load when the triggering angle is 140 degrees. Keep in mind that the conduction is incomplete when the triggering angle is greater than 140 degrees.
Calculate the value of vL developed across a 300 H coil when the instantaneous rate of change in component current equals 500 mA/s.
determine the capacitance of a parallel-plate capacitor having plates 14cm by 30cm separated by 0.01mm. The dielectric has (epsilon)(r)=15
a sample of gas composed of 5.7 grams of carbon dioxide and 3.6 grams of neon in a container with volume 5.7L and temp 67 degrees Celsius. what is the pressure of the gas mixture
A binary channel with capacity 36 k bits/sec is available for PCM voic transmission. If signal is band limited to 3.2 kHz, then what will be the appropriate values of quantizing level L and the sampling frequency.
What are the main differences between MS antennas and BS antennas. List the antennas used at mobile stations and describe the construction and characteristics of one of them in detail.
The transformer is supplying a load of 325 MVA, with 0.93 power factor lagging at a voltage of 24 kV (line-to-line) on its low-voltage side. It is supplied from a feeder whose impedance is 0.11 + j2.2 ohms connected
Design a 16 bit adder using both the ripple carry and CLA methods. Use 4-bit CLA blocks for the carry-lookahead design. Use only two-input logic gates in your design. Simulate the design using LogiSim at the logic gate level.
An unmanned X-43A scramjet test vehicle has achieved a maximum speed of Mach number 9.68 in a test flight over the Pacific Ocean. Mach number is defined as the speed of an object divided by the speed of sound.
find the MIN permissible SAG for a span of 225 m using a copper conductor with 1.2 cm diameter and allowing a MAX conductor tension of 2200 kg/cm^2 . The horizontal wind pressure is 6 g/cm^2 and specific gravity of copper is 8.9
The nameplate on a 50-MVA, 60-Hz single-phase transformer indicates that it has a voltage rating of 8.0-kV: 78-kV. An open-circuit test is conducted from the low-voltage side, and the corresponding instrument readings are 8.0kV, 62.1A, and 206kW.
When the piston is at its bottom dead center, the gas is initially at 10 psig, 65°F, and 10.5 in 3 . After compression and when the piston is at top dead center, the gas is 180°F and occupies 1.5 in 3 . What would be the new pressure of the gas in..
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