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a 2,200-V, 1,000-hp, three-phase, 60-Hz, 16-pole, wye-connected, wound-rotor induction motor is connected to a 2,200-V, three-phase, 60-Hz bus that is supplied y synchronous generators. The per-phase equivalent circuit has the following parameters: R1=.1 ohms=R'2; xl1=0.625 ohm=x'l2; xm =20 ohms.
If the machine is driven at a speed of 459rpm to act as a generator of real power, find the rotor current referred to the stator and the real and reactive power outputs of the induction machine.
Two free particles (that is, free to move) with charges +1µC and +3µC are a distance L = 2m apart. A third charge is placed so that the entire system is in equilibrium. Find the location, magnitude, and sign of the third charge.
Restricting yourself to nondegenerate dopings and also requiring the resistance to be readily measured with a hand-held multimeter (say 1 R 1000), what is the range of doping Pick a doping concentration in the mid range.
The following samples of fish were taken of their weight, in grams, at a fishery before the young fish are restocked into Cane Creek Lake. From experience, we know that very few fish under 4 grams will survive.
Assuming that the scores are normally distributed and the standard deviation for the scores is 80, find the probability that a randomly selected business graduate student at this school has a GMAT score over 700.
A stepper motor is being used to move a crane. The motor has the following properties: Holding torque = 2 m.kg, dynamic torque = 1.5 m.kg, and detent torque = 0.5 m.kg. Through a 1:5 gear, the motor (motor connected to the smaller gear)
For the circuit following parameters are given with Vcc = 18 volts DC: Rs = 0 ohm r pi = 1000 ohm Rb = 1750 ohms C1 = 10 microfarads gm = 50mS RL = 100 ohms Ce = 0.1 microfarads Re = 135 ohms C2 may be considered very large
a. The mass of an electric car is 900 kg including the passengers. A single motor mounted on the front wheels drives the car, and the radius of the wheel is 0.3 m. The car is going downhill at a speed of 50 km/hr, and the slope of the hill is 30 d..
Using Multisim, design a mod-100 BCD counter that drives a 2-digit, 7-segment display. The count sequence will be 0 through 99. Blank leading zeros in the tens digit of the display.
determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2.
a. Draw the block diagram for a coherent receiver for QPSK using the same basis signals as in problems ("What frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symbol period of 1/(9600Hz) to contain 6 cycles of th..
3W light connected to ideal 9V battery with ideal wires a) Draw diagram using circuit symbol for a resistor in place of bulb b) What would current draw from bulb be. I= c)What is if the equivalent resitance of the bulb
If we use the PC-relative addressing mode, and want to allow control transfer between instructions up to 50 locations away, how many bits of a branch instruction are needed to specify the PC-relative offset
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