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In a wind-turbine, the generator in the nacelle is rated at 690 V and 2.3 MW. It operates at a power factor of 0.85 (lagging) at its rated conditions. Calculate the per-phase current that has to be carried by the cables to the power electronics converter and the step-up transformer located at the base of the tower.
The IC differential amplifier is to be fabricated in a CMOS technology having the technology specifications of Kn' = 200 uA/V. Kp' = 100 uA/V. Vtn = 1V Vtp = -1V Va = 50V L = 1u. Calculate all the device widths for a constant bias current of 1mA
A positive charge of magnitude q1 lies at the origin. Derive an expression for the incremental work done in moving a second point charge q2 through a distance dx from the starting position (x, y, z) in the direction -ax.
What is the blocking probability of the system in (b) when the maximum number of users are available in the user pool?
You need to upgrade your crystallizer. Your company bought a new 1000 ft2 crystallizer 5 years ago for $450,000. You believe that your company has expanded sufficiently to need a 5000 ft2 crystallizer. What is the price in today's dollars
What memory modules are needed if the customer wants 1.25GB of RAM?(What capacities and how many of each capacity?)
Analyze Case Study - NIBCO's 'Big Bang': An SAP Implementation- Explain the pros and cons of the approach to implementation decided upon by NIBCO.
The LM358 op amp can be a single or dual supply op-amp. This mean that it can operate with just a single supply i.e. + 5 volt or with dual supplies i.e. (+ and -) 5 volt supplies. With a inverting configuration with dual supplies (+5v and -5v) bei..
In Mips when you use addi or any other commands in which you use a 16 bit value for a reg. value or address offset what operation is done to check if its is a negative number's two's complement or just a regular binary number
Rate at which succesful packets arrive at network node, After traversing a wireless filled channel packets arrive at a networks node according to a Poisson process with rate Lambda
A 75-kVA, 230-V/115-V, 60-Hz was tested with these results: Open-circuit test: 115 V, 16.3 A, 750 W; Short-circuit test: 9.5 V, 326 A, 1200 W a) Determine the voltage regulation at rated load, 0.8 power factor lagging.
The RS-232 serial port on a personal computer is transmitting 2400-bit/sec data using a polar NRZ line code that has a peak value of 12 V. Assume that binary 1's and 0's are equally likely to occur.
Measurements on sodium have provided the following data: resistivity 4.7 ×10-8ohm m, Hall coefficient -2.5 × 10-10m3C-1, critical wavelength of transparency 210 nm, and density 971 kg m-3. Calculate (i) the density of electrons, (ii) the mobility, ..
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