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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.
Q. A source of impedance ¯ Z S = R S = 100 has an open-circuit voltage v S (t) = 12.5 cos ωot and drives a 75- transmission line terminated with a 75- load. Find the current
Q. A 7.5-hp, 250-V, 1800-r/min shuntmotor, having a full-load line current of 26 A, is started with a four-point starter. The resistance of the armature circuit, including the inte
Q. Define Integrated circuits? For the fabrication of semiconductor circuits, there are three distinct technologies employed: 1. Discrete-component technology, in which each
Q. A 100-kVA, 2300:230-V, 60-Hz, single-phase transformer has the following parameters: R 1 = 0.30 , R 2 = 0.003 , RC 1 = 4.5k, X 1 = 0.65 , X 2 = 0.0065 , and Xm 1 = 1.
List the addressing modes supported by 8051. 1. Register addressing 2. Direct addressing 3. Register indirect addressing 4. Immediate addressing 5.Register addres
what is a armature reaction ?? give some concepts on double rotating field theory?? thanks
Q. An op amp has a finite gain of only 50, but is otherwise ideal. For the inverting-amplifier circuit of Figure, if R 2 = 20 k, what value of R 1 would be needed to give a gain
Bipolar Junction Transistor: Transistor construction: the emitter layer is heavily doped, the base is light doped and the collector is only lightly doped. Outer layer has wi
kindly send us the formula and C program for performance improvement of distribution system using HV/LV ratio. REGARDS ANUJ AGARWALA
what is the difference between latch and flipflop
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