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Explain Synchronous Generators?
They can be utilized to produce or absorb reactive power. An over-excited machine produces reactive power when an under-excited machine absorbs it. The generator is the major source of supply to the system of both of the positive and negative VArs. The ability to supply VArs is ascertained by the short-circuit ratio (1/ synchronous reactance).
For economic reasons, in current units this ratio is kept low and therefore the inherent ability to run at leading power factors is not large. For instance, a 200 MW, 0.85 p.f. machine with a 10% stability margin can just supply 45 MVAr at full power outputs.
Explain LOOP instructions in 8086 family with example and their effect on flag. LOOP: (Jump to given label until CX = 0) it is used to repeat a sequence of instructions for
barrier voltage at pn junction
Q. The flux in a magnetic core is alternating sinusoidally at a frequency of 500 Hz. The maximum flux density is 1 T. The eddy-current loss then amounts to 15W. Compute the eddy-cu
Why memory decoding is required? To attach a memory device to the microprocessor, this is necessary to decode the address sent by the microprocessor. Decoding creates the memo
Filtering (i) Write an m-file "mymedian.m" which will take an image and filter size and perform median filtering. Display input and output image. Use help median fun
Q. Using K maps, simplify the following Boolean expressions: (a) F = A · ¯ B + A · B (b) F = A · C + C · D + B · C · D (c) F = A·B · ¯ C +B ·C +A·B ·D +B ·C ·D
Ask question #Minimum 100 words accespted#i want solution manual of electronic instrumentation and measurements
Hexadecimal Number System Similar to octal number hexadecimal number system is also used to represent long binary numbers in smaller form. In microprocessor we use hexad
What is RXD? RXD- Receive Data Input This input pin of 8251A gets a composite stream of the data to be received by 8251A.
Q. Draw the circuit of a 7805 voltage regulator? Explain the functions of the capacitors used at its input and output sides. Functions of capacitors used at input and outp
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