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Q. Digital controller for a steam-turbine driven generator?
Figure illustrates the basic elements of a minicomputer system in terms of a block diagram for speed and voltage control (as well as data acquisition) of a turbine-generator unit. Typical output variables of the generator are speed, rotor angle, terminal voltage, field (excitation) current, armature current, and real and reactive power. Some output variables are measured by digital transducers, whose outputs are then digitally multiplexed and sent back to the minicomputer.
Some other output variablesmay bemeasured by analog transducers,whose outputs are processed through an analogmultiplexer which performs a time-divisionmultiplexing operation. The output of the analog multiplexer is connected to a sample-and-hold device, which samples the output of the multiplexer at a fixed time interval and then holds the signal level at its output until the A/D converter performs the analog-to-digital conversion. Thus, following the multiplexer, time sharing is done amid a number of signal channels.
how does the kb come across the sheet charge in the amperian sheet?
Bias circuit requirements: Signal requirements for Class A amplifiers The Q-point is placed thus the transistor stays in active mode (does not shift to operation in the s
working principle of crtand block diagram of cro
(a) What are the elements of Flexible Manufacturing Systems? (b) What are the basic types of workstations typically found in an FMS. Describe them briefly?
Q. Explain, with the aid of diagrams, the following in relation to the construction of power transformers. Include the advantages and disadvantages in your description. a) Core
Mention how do the DIV & IDIV instructions differ in their functionality DIV: Unsigned numbers division and IDIV: Signed number division.
How single stepping can be done in 8086? By setting the Trace Flag (TF) the 8086 goes to single-step mode. In this mode, after the implementation of every instruction s 8086 ge
Explain Brass and Bronze. Brass - It is an alloy of copper and zinc with 60 percent copper and 40 percent zinc. Its electrical resistivity of Brass is 7.0 X 10 -8 ohm-m th
Q. How many 500-page books can be stored on a 2400-ft, 1600-BPI magnetic tape if a typewritten page contains about 2500 bytes?
1. Frequency Modulation theory and its explanation 2. FM transmitter schematic, tests results and measurements 3. Amplifier and Oscillator circuit explanation and calculation
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