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A 2200-V, 1000-hp, three-phase, 60-Hz, 16-pole, wye-connected, wound-rotor induction motor is connected to a 2200-V, three-phase, 60-Hz bus that is supplied by synchronous generators. The per-phase equivalent circuit of has the following parameters: R1 = 0.1 = R 2, Xl1 = 0.625 = X l2, and Xm = 20 .Ifthe machine is driven at a speed of 459 r/min 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.
Explain n - Type semiconductor. n - Type semiconductor:- (i) If small amount of pentavalent impurity is added with, to a pure semiconductor giving a large number of free
Q. Show a block diagram of a 4-bit, parallel-input shift-right register and briefly explain its operation.
De multiplexing Address Data Bus (AD 7 - AD 0 ) As it is already discussed that lower order address bus (A 7 - A 0 ) is multiplexed with data bus (D 7 - D 0 ). Hence pins
Q. What do you mean by Magnetic circuits? A magnetic circuit provides a path for magnetic flux, just as an electric circuit provides a path for electric current.Magnetic circui
A three-phase, 50-hp, 440-V, 60-Hz, four-pole, wound-rotor inductionmotor operates at a slip of 0.03 at full load,with its slip rings short-circuited. The motor is capable of devel
Q. How and why are the grounding and shielding used in electronic instruments? Sol. In electronic instruments grounding and Shielding techniques are available in order to a
Q. Explain low-frequency response of RC coupled amplifier. What are the reasons for reduction in gain at low frequencies? The RC coupled amplifier circuit contains capacit
Operation - unijunction transistor: Operation : Imagine that the emitter supply voltage is turned biased and a small emitter reverse current flows. Then the intrinsic stand
Q. Two charges of equal magnitude 5µC but opposite sign are separated by a distance of 10 m. Find the net force experienced by a positive charge q = 2 µC that is placed midway betw
Q. Characteristics of Transformer? The characteristics of most interest to power engineers are voltage regulation and ef?ciency. The voltage regulation of a transformer is a me
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