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A 4 pole, 60 Hz, 50 hp, 480 V wye connected synchronous motor has
RA = 0
Xs = 2.5 ohms per phase
and is operated at rated output horsepower with a rotational loss of 1000 watts and a separate 400 watt power source for the field current, which is adjusted to provide a power factor of 0.8 leading.
What is the
A. Developed power of the motor
B. Apparent power of the motor
C. Input current (in polar form) using the input phase voltage as reference
D. The value of Eaf (in polar form)
E. The total power in watts used by the motor
F. The efficiency
The circuit will have as inputs a minimum of two inputs; the binary equivalent of two decimal numbers of not greater than (10,000)10. The circuit will produce a minimum of two outputs, the quotient and the remainder.
(a) An average hole velocity of 10^3 cm/sec results when 2 v is appliedaccross a 1 cm-long semiconductor bar. What is the mobilityof the bar (b) name the two dominant carrier scattering mechanisms innondegenerately doped semiconductors of device qu..
For the grounded gate p-pullup pseudo NMOS circuit shown below assume the load capacitor, CL, is initially discharged, and that the input voltage abruptly drops from Vdd to zero. Derive the equation for the output voltage charging behavior.
Suppose we have a sensor, with a Thévenin resistance that varies from zero to 10kΩ, connected to the input of an amplifier. We want the output voltage of the amplifier to vary by less than 2 percent with changes in the Thévenin resistance of the ..
Using the transformer rating as base, determine the per unit impedance of the transformer from the ohmic value referred to the low voltage side. Find the per unit impedance using the ohmic value referred to the high voltage side.
1. Because the circuit below stores energy in the capacitor and in the magnetic field of the inductor and the gnergy is simply transferred back and forth on alternate half-cycles, this circuit is commonly called a
A dc-to-dc converter has an input voltage of 5 V and an output voltage of 12 V. If the input current is 1 A and the output current is 0.25 A, what is the efficiency of the dc-to-dc converter?
A coil having an inductance of 10uH is intended for applications around 1-MHz frequency. Its Q is specified to be 200. Find the equivlent parallel resistance R. What is the value of the capacitor required to produce responance at 1MHz
AC Circit analysis and max power transfer, If the output impedance of a certain driving circuit is 50 Ohm - j10 Ohm, what value of load impedance will result in the maximum power to the load?
State the relationship between H and B for a magnetic material. How does it simplify the solution of field problems involving magnetic materials?
Which FET operates in both Depletion and Enhanced mode and how do you recognize the mode by just looking at the Family of Drain Characteristic Curves
Your code should ensure that the input characters are, in fact, part of the upper case alphabet. In the event of an incorrect input, your code should print a message indicating the offending character and exit. You may assume a maximum of 10 input ..
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