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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.
The one line diagram of a simple power system is shown below. The data of the system are given in the table below. (a) Draw the impedance diagram of the system and mark all im
Q. What do you mean by Superposition and linearity? Mathematically a function is said to be linear if it satisfies two properties: homogeneity (proportionality or scaling) and
Electric current Electric current is a flow of electrons. Each electron carries a very small amount of negative charge (1.6 x 10 -19 coulombs) A current
Three equal impedances of D ohms resistance and C inductive reactance are connected in a DELTA configuration. The line voltage is A00 volts. Determine the line current, phase cur
i need a counter of following o/p truth table 00000000 10000000 11000000 11100000 11110000 11111000 11111100 11111110 11111111 00000000 10000000 . . . so please suggest me some IC
A 4000-V, 5000-hp, 60-Hz, 12-pole synchronous motor, with a synchronous reactance of 4 per phase (based on cylindrical-rotor theory), is excited to produce unity power factor at
Insulators have (A) A full valence band. (B) An empty conduction band. (C) A large energy gap. (D)All the above. Ans: Insulators have a large energy gap.
Q. Compare RC coupled and Transformer coupling?
Using Bode plot calculate (a) Phase margin (b) Gain margin (c) Stability of closed loop system. The open transfer function of the system is t=30/(s+2)/(s+3)Using Bode plot calcula
Bivector Meter As it is clear from the name provided 'Bivector', it records kWh and kVAh consumption along with maximum demand on both or on any one as needed. The working pri
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