Explain the benefits of Power Factor correction. List (minimum 3) companies that specialize in this field and offer products for power factor correction. Briefly explained their product line.

1) A load can be represented as a 1kOhm resistor. This impedance is subsequently connected to a sinusoidal 120V (rms) 60Hz voltage source. Find the current through the load both in phasor form and in time-domain form. Produce a well-labeled plot showing the voltage, the current and the power.

a) A load can be represented as a 10μF capacitor connected in series with a 1kOhm resistor. This impedance is subsequently connected to a sinusoidal 120V (rms) 60Hz voltage source. Find the current through the load both in phasor form and in timedomain form. Produce a well-labeled plot showing the voltage, the current and the power.

b) Another load can be represented as a 2H inductor connected in series with a 1kOhm resistor. This impedance is subsequently connected to a sinusoidal 120V (rms) 60Hz voltage source. Find the current through the load both in phasor form and in timedomain form. Produce a well-labeled plot showing the voltage, the current and the power.

c) Describe the qualitative differences these three cases. Why did the storage components change the position of the current?

If signal x(t) has a maximum frequency (wm1)and signal y(t) has a maximum frequency (wm2)where wm2>wm1, determine the Nyquist rate for each of the following signals:

(a)x(t)+ x(t-1)

(b) dx/dt

c) x(t)y(t)

(d)x(t)*y(t)

1. You are to design an 4 bit counter that takes as input a clock and a reset signal and outputs a 4-bit count When the clock is asserted and the reset is high, the clock increments. When it increments at 1111,it resets to 0000
2. Create a schematic diagram of your design using either Xilinx ISE or a drawing tool of your choice or a neatly hand-drawn diagram
3. Create a Verilog module within Xilinx.
4. Verify your design is syntactically correct.
5. Create a Test Bench your circuit by creating a Verilog Test Fixture.
6. Run your circuit in simulation using at least three sets of inputs.

Problem 1)

Answer the following for an analog input card (catalog # 1756 IF16). Read 1756_Analog_IO_module

• Catalog number of the card?
• The total number of analog input channels?
• What is the meaning of single ended and differential analog input?
• Does the number of channels will change based on the input type? If so, explain how?
• How many A/D converters this card has?
• If there is only one converter, then how does more than one analog channel can be used?
• The total number of digital output bits for a converter?
• How do you scale the input signal? Does scaling affect the resolution of the card?
• What are the data formats you can use with this card and explain the differences (in a table)
• Explain about the limits and alarms?
• How do you reset the alarms?
• List out what is the input ranges of voltages can be used for a channel?
• List out what are the resolution voltages we can get for each input range voltage

nin transforms and bases explain the following terms in dsp

what is vector transform and what is fft

how dft and convolution of two signals related and what property allow to decrease the burden of computation

what is convolution and what is fast convolution

difference beteen dct and dft

6.9 A3 ϕ, 11 kV, 60 Hz, 25 MVA, Y-connected cylindrical-rotor synchronous machine generator has R_a = 0.45 Ω per phase and X_s = 4.5 Ω per phase. The generator delivers the rated load at 11 kV and 0.85 lagging power factor. Determine the excitation voltage, E_f, for this operating condition.

6.11 The synchronous machine in Problem 6.9 is operated as a synchronous motor and it is drawing rated MVA at 0.85 lagging power factor. Determine the excitation voltage, E_f, for this operating condition.

Two electric charges, the first value + 3Q and the second value + 2Q are separated by a known distance d. What load and at what distance from the first load should be placed a third collinear load with the other two, for the three load system is in balance?

A4-pole,250V, 50Hz single phase induction motor has rotor frequency 2 Hz, in starting has following parameters: main winding Rm=2 Ω ,Xm=4 Ω and staring winding : Rs =4 Ω , XLS=2 Ω ,Xcs=8 Ω. Find : speed of motor, Im , IS, θm θs, α and p.f.

The Scientific Working Group on Digital Evidence develops best practice and standard documents for digital forensics. What are three important digital forensic standard practices that an organization starting a digital forensic unit should implement? Why?

1) A 25 kVA transformer supplies a load of 12 kW at power factor of 0.6 lagging. How much kVA can be added before the transformer is at rated load

a)when the added load is at 1.0 pf?

b)when the added load is at 0.866 pf leading?

A 2000 v signle phase synchorunus generator isbeing used as a backup generator outside a diagnostic center in Islamabad . when the generator terminals are short circuited and a field exication current if 2.5 A is passed, the ammeter between the terminals read 100 A of full load current . if this terminals of the same generator are opened and the voltage across them is measured using a voltmeter , we get the value of 500V with the same exciatation cureent . the armature resistance is 0.8 ohms.

Determine the voltage regulation of this generator if it is delivering 100 A during normal operating with unity power factor , 100A with 0.8 leading PF and with 0.71 lagging PF

Plz explain. I will rate.

1. Explain the following terms with respect to TTL specifications:

1. Propagation Delay
2. Power Dissipation
3. Fan-in
4. Fan-out

list one question you have about the operation of an automotive voltage regulator. (from textbook "fundamentals of electrical engineering"  chapter 2.8)

Your question may range from how the VR is modeled to what the implications are for removing the VR in the system.

Then, Using online resources/other texts, briefly answer your question to the best of your ability.