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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.
Find out which of the two motors: Two three-phase induction motors while connected across a 400 V, 50 Hz supply are running at 1440 and 940 RPM respectively. Find out which of
1. Why must a modem be used to transmit binary data through a PSTN? (1) Use sketches and additional text to describe the following modulation methods. (a) Amplitude shift key
a) Write short notes on part feeding devices and transfer mechanism. b) Explain with example automation for machining operation with relevant diagrams. c) discuss different p
Q. A 300-kVA transformer has a core loss of 1.5 kW and a full-load copper loss of 4.5 kW. (a) Calculate its efficiency corresponding to 25, 50, 75, 100, and 125% loads at unity
Module of the rated currents - transformer: The transformer of the Face(Figure) 2 is a transformer of type Delta-Y (the neutral of Y is grounded). The rated output is of 1500
A synchronous motor with a synchronous reactance of 12 ohms is operating with a current of 100 A at unity power factor supplying power to a large compressor. The phasor diagram for
Explain the CMP instruction . CMP: The comparison instruction is a subtraction which changes only the flag bits; the destination operand certainly not changes. A comparison is h
Q. Determine briefly subscriber loop system. Give some technical specification for subscriber lines. Ans: Subscriber Loop System: Each subscriber in a telephone network is
The five addressing modes are given below: Immediate, Register, Direct, Implied addressing modes Register indirect,
Assembly Languages ( Second Generation Language) To overcome the difficulty of machine language assembly language was designed. After facing the difficulty of machine
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