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Calculate the line current required for a 30-kW three-phase motor having a power factor of 0.85 lagging if it is connected to a balanced source with a line voltage of 440 V.
Circuit Packet Switching and VPNs
A perfect conductor 2m long is moved at a speed of 36 Km/hr through a magnetic field having a flux density of 1.0 T. If a 1 resistor is connected across the ends of the conductor, calculate: (a) The induced voltage (b) The current in the circuit
Determine the requirements of the digital fiters needed and design and write the dierence equations for the digital fiters.
The field circuit has a dc voltage of 200 V, and the maximum IF is 10 A. The open-circuit characteristic of this motor is shown in Figure. Answer the following questions about the motor, assuming that it is being supplied by an infinite bu..
Design a proportional-integral (PI) controller (recommend to use matlab siso toolbox) so that phase margin of the loop transfer function should be over 35o, and the crossover frequency is no larger than 10kHz - Analytically determine and draw t..
task 1explain the principles of electromagnetic radiationelectromagnetic waves are radiating transporting in the space
In this project we will consider the control of a synchronous generator supplying electricity to the grid.
Calculate the magnitude of the characteristic impedance and the propagation constant for a coaxial line at 2 GHz. Assume that b = 3 cm, a = 0.5 cm, and e = e0 (2.56 - j0.005).
A voltage regulator circuit uses a Zenerdiode that exhibits a total voltage of 5.2 V at 20 mA and has aresistance Rz = 20 W. The regulator operates froma 10 V supply and has a 1 kW load. A) Use the node voltage method at the output node to derive a..
There are two cylinders containing methane gas and Nitrogen dioxide gas. The volume of these two cylinders re 500cm3 and 700 cm 3 respectively.
A supplier claims that a transistor has a current gain of 100. 15 transistors are measured, and are found to have a sample mean of 99.5 and a standard deviation of the sample mean 2. a) For what confidence level would the claim be valid
A spectrum analyzer is used to verify an FM signal with a carrier frequency of 100.3 MHz, a modulation frequency of 15 kHz, and a modulation index of 2.4. a.) Predict the spectrum-analyzer display for the signal
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