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A 3-phase, 5 kW induction motor has a p.f. of 0.75 lagging. A bank of capacitors is connected in delta across the supply terminals and p.f. raised to 0.9 lagging.
Determine the kVAR rating of the capacitors connected in each phase.
A high-pass filter is shown in Fig. 2.7a. If the cutoff frequency is to be 400 Hz,
design a state table and diagram for a campus id consisting of 6 letters. when converted to binary using ascii code the id has 7-bits for each letter . e.g campus id TSHMUD(T = 1010100, S = 1010011, H = 1001000, M = 1001101, U = 1010101, D = 10001..
First, generate an array of 20 input random integers in the range between 0 to 30 and display. Then, sort the generated 20 random integer numbers in ascending order using "THE SELECTION SORT" method and display your sorted output data flow chart.
Specify the range required for the control voltage VGS and the required transistor width W. It is required to use the smallest possible device, as limited by the minimum channel length of this technology (Lmin = 0.18 μm) and the maximum allowed v..
Calculate the input reactive power of the motor after p.f. improvement. Calculate the capacitive reactance per phase of the capacitors connected in star across the motor.
Display the time waveforms. Make sure the waveforms can be clearly seen and the axes are correctly labeled. Calculate and display the RMS value of the 2 Hz signal and the recovered signal.
Three single-phase transformers, each rated 15 MVA, 13.2:66 kV, with a leakage reactance of 0.1 pu, are connected to form a three-phase Y-Δ bank, one side of which is connected to a 120-kV tranmission line and the other side, to three 12-ohm resis..
A listener increases his distance from a sound source by a factor of 4.11. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB
A car travels at 30 km/hour. The diameter of the tire is 50 cm. Giving consideration to the Nyquist frequency how many shots of the tire must be taken to correctly capture the motion of the wheels
What is the input to our control system called - What would we expect its final value to be (the value as time approaches infinity) - Determine the equation that linearizes the sensors output between temperatures of 0oC and 100oC.
The power delivered in watts is 500. If the input voltage is 50 sin (ωt + 40°), find the sinusoidal expression for the input current.
Calculate the space charge region width and the capacitance of thereverse biased (1V) abrupt Si pnjunction with dopant concentrationsof: acceptors 1016cm-3, donors 1017cm-3. Temperature is 300K.Assume Si dielectric permittivity of 11.7.
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