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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.
Q. Explain workinf of colpitts oscillator? When the collector supply voltage V cc is switched on, the capacitors C1 and Cz are charged. These capacitors C1 and Cz discharge thr
#quetunnel diode stion..
A linear circuit component is one that has a linear I V characteristic
Magnetic circuits To see how this is used in practice, consider a coil of N turns wound onto a closed ring shaped former with a very high (note: r (steel) = 200
Consider an RLC series circuit excited by v(t) = V m cos ωt in the time domain. By using superposition, solve for the time-domain forced response of the resultant current through
FIFO (First in First Out) stack is used in 8086.In this type of Stack the first stored information is retrieved first.
Applications of high resistivity materials
Q. How to convert Decimal to Binary number? To convert the decimal to binary is slightly more difficult. There are two procedures (Methods) that may be used to convert from dec
Stack Operation Stack is a group of memory locations which are part of the same read write memory used for storing data temporarily during the execution of the progra
) Design a suitable double –layer lap winding for a 6-pole dc armature with 18 slots
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