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A buck-boost converter works with an input voltage of 12 V and switching frequency 10 kHz. The load resistance of 24 Ω requires doubled input voltage. The inductor and capacitors are 1 mH and 100 μF, respectively.
Determine(a) Duty cycle.
(b) Magnitude of the average input current.
(c) Magnitude of the average inductor current.
(d) The peak of the inductor current
(e) Sketch the waveforms for the diode current iD(t) and diode voltage vD(t). Show and label the sequence in which the diode conducts.
(f) Peak to peak output ripple voltage.
(g) Determine the output capacitance if the switching frequency is increased to 100 kHz.
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How to find the damping ratio and undamped natural frequency given a 2nd-order differential equation.
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The open circuit test on a single-phase 15kVA, 7500/480 V, 60 Hz distribution transformer yielded the following: V = 7500V; I = 0.2006A; P = 180W Calculate the core parameters RC and XM and the magnetizing current IM.
1. Define the function f[n] = en/4 sin(n/10)u[n] using Matlab inline function. Plot this function using stem command over [5, 20]. 2. Use Matlab inline and stem functions to plot u[n] and delta[n] over [10, 10]. 3. find out what Matlab filter functi..
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Loop antennas are very common and are often used by amateur radio sites. In fact, the figure on the right is provided as an example what one may find when searching for loop antennas on the web.
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4A1011 S/mile, resistance (R) is 0.1 OHMS/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile.
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