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Suppose a PV module has the 1-sun I-V curve shown below. Within the module itself, the manufacturer has provided a pair of bypass diodes to help the panel deliver some power even when many of the cells are shaded. Each diode bypasses half of the cells, as shown. You may consider the diodes to be "ideal;" that is, they have no voltage drop across them when conducting.
Suppose there is enough shading on the bottom cells to cause the lower diode to start conducting. Draw the new "shaded" I-V curve for the module.
a) At what time does the peak value of the AC signal occure b) What is the frequency,f,of the AC signal c) What is the period,T,of the AC signal d) At what time does the negitve peak value of the AC signal occur
A device moves 120 coulombs of charge from point a to b in 8 seconds. the distance between a and b is 6 cm. the energy expended in moving the charge is 600 Ws. calculate the voltage between a and b.
Show that the power carried by the AM sidebands is equal to that carried by the PM sidebands and equal to half of the power of n(t).
Given a 100 MHz clock signal, derive a circuit using D Flip Flops to generate 50 MHz and 25 MHz clock signals. Draw a timing diagram for all three clock signals, assuming reasonable delays.
The anode of the diode is connected to the inverting node of the op-amp, while its cathode is connected to the output of the op-amp. Determine the expression of the output node potential as a function of the input node potential.
A president, secretary, and treasurer are to be chosen from a group of 10 senior members of the IEEE student chapter at the Citadel. Assume that each member cannot serve more than one position.
An induction motor has thefollowing specifications: a 8-pole squirrel cage rotor, operates at25 hp off of a 220 V line-to-line 3-phase service, 60 Hz, 64 ampsof line current, and under full load runs at 830 RPM. The motor draws 20.8 kW at full loa..
What do the terms static and dynamic allocation of memory mean. We use the terms ROM to identify read only memory and RAM to designate random access memory. What is the major difference between the two kinds of memory.
design an alarm clock using VHDL and implement in FPGA (Basys2 Board). the scope is that, when the time and alarm time are equal, then alarm rings. A sign or some kind of indication will be shown on a LCD monitor.
For the Current and Voltage equation shown below, What are the amplitude, phase and frequency of the signals. Does Currentlead or lag voltage and by how much is(t) = 57.3 cos (37[rad/sec]t + 37.3o) [A]
A 200-V, 60-Hz, 10-hp single-phase induction motor operates at an efficiency of 0.86 and a power factor of 0.9. What capacitor should be placed in parallel with the motor so that the feeder supplying the motor will operate at unity power factor?
For a discrete-time LTI system, the imput signal is x[n], impulse response is h[n] and output is y[n]. Analytically determine the output y[n] in each of the above cases. x[n]=anu[n-2],|a|
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