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For the circuit of a full bridge single phase inverter, a. How many controlled pulses are needed over a half cycle of the output voltage to obtain 70% of Vac,max and, at the same time, eliminate the 5th and 7th harmonics? B. Compute the parameters of the pulse width if Vac is controlled to 70% of its maximum and the 5th harmonic eliminated. C. Sketch the waveform of AC output voltage for case b).
A hypothetical starting motor in an automobile has an armature 20 cm long, diameter 10 cm and has slots 0.5 cm deep filled with windings. The radial field is provided by coils in the stator to obtain a flux denisty of 0.2 Wb/m^2
An FM transmitter delivers to a 75 ohm antenna a signal voltage of V(t) = 1000 sin ( 109t + 4 sin 104t ) Determine: (a) Carrier frequency (b) Intelligence frequency (c) Modulation index (d) Total power in FM signal (e) Carrier power (f) Power in e..
The time has come for XelPharm to expand. The board of directors has purchased another warehouse for a second distribution facility. It's located in an industrial area, about eight miles from the company's headquarters.
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.
even if we have plenty of land available to develop onshore wind resources are there still advantages to building
Two capacitors one is 10pf the other is 25pf are connected in series and you want to replace them with a single capacitor with the following dimensions : area = 4cm2 plate seperation distance is 2 cm. What is the dielectric strength of this new cap..
A generator provides the following voltage signal: v(t) = 2 + 3 sin(100pi) + 4 cos(250pi). Find the average value of the function. Note: pi = 3.1416 in this equation.
The output should have an adjustable linear output voltagerange of between 0 to 5 V and be capable of supplying a current of150 mA throughout the voltage range. The design should include acircuit schematic and provide complete specification of all..
A separately excited dc generator produces 400 v at 1500 rpm under open circuit conditions. Find the induced emf if the speed changes to 2000 rpm. Assume the flux is constant.
The voltage on a 40 µF capacitor is found to be 12(1 - e-8t) volts. Find the voltage at t = 0, and the voltage at t = 0.1 second. How much energy is stored on the capacitor as t approaches infinity
A system samples a sinusoid of frequency 850 Hz at a rate of 250 Hz and writes the sampled signal to its output without further modification. Determine the frequency that the sampling system will generate in its output.
Use PSPICE to generate the ideal current-voltage characteristics of a diode from a reverse-bias voltage of 5 V to a forward-bias current of 1 mA, for an IS parameter value of (a) 10 15 A and (b) 10 13 A. Use the default values for all other parame..
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