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A 500-kVA, 11/0.43-kV, 3-phase delta/star connected transformer has on rated load HV copper-loss of 2.5 kW and LV loss of 2 kW. The total leakage reactance is 0.06 pu. Find the ohmic values of the equivalent resistance and leakage reactance on the delta side.
how does the D'Arsonval movement work with voltmeter and ammeter i know how to design the cicuits but a little more of how the movement actually work in both cases. like for the ammeter the reason the resistor is place in parallel is to limit the ..
An infinitely long wire is placed in a space with relative permeability of 9000 carrying current of 1.9 A in the +y direction. What is the magnitude of the magnetic flux density at (0.03,0,0) [meters] in units of Tesla
Analysing harmonic content of ac voltage waveforms, An a.c. voltage, V, comprises of a fundamental voltage of 100 V rms at a frequency of 120 Hz, a 3rd harmonic which is 20% of the fundamental
A particle having charge q and mass m, initially at rest, is accelerated through a potential difference V0. Find the final speed (assume nonrelativistic).
Draw the capability curve of the synchronous machine, which has following equivalent circuit parameters and limiting conditions, in the first quadrant of the torque-speed plane.
A 5-element uniform linear array with inter-element spacing of λ/2 is to have maximum radiation in the direction θ=60° , find the current phases , find the directions of null radiation , hence sketch the radiation pattern
A 23-kVA, 2300/230-V, 60-Hz, step-down transformer has the following resistance and leakage-reactance values: R1 = 4 ohm, R2 = 0.04 ohm, Xl = 12 ohm, and X2 = 0.12 ohm. The transformer is operating at 75% of its rated load.
Design a logic circuit, LOGARITHM that converts an input number X to its logarithm, log(X). Input X is given as an unsigned real number such that, 1.00
Using the DMM current reading and the oscilloscope measurement of given figure: - Determine the inductance L. - Find the resistance R.
Voltage drop across R6 = 12 ohm resistor
Design a differentiator to have a time constant of 10^(-2) s, and an input capacitance of 0.01 Micro F. What is the gain magnitude and phase of this circuit at 10 rad/s, and at 10^3 rad/s.
MATLAB to design a compensator to meet the specifications - Feedback system has an open-loop transfer function
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