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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.
In this case, the armature is connected in series with the field coils. Thus I a = I f = I NB. At starting, the back emf is zero (because the m
Draw and explain the circuit of feedback amplifier
ANA Logical AND with Accumulator Instruction This instruction is used to logically AND the accumulator of any register or memory location with the accumulator and the r
Experiment • Wire the circuit shown in Figure. Connect the three oscilloscope channels as shown in Figure. • Select the sinusoidal waveform. Adjust the frequency of the input volt
Determine the voltage across the 20- resistor in the following circuit of Figure (a) with the application of superposition.
find current across r3 with two voltage as sources
reflections, journey about the subject solid mensuration
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. Sections construct in FORTAN? The sections construct is a no iterative work sharing construct which causes structured blocks to be shared among threads in team. Every struct
Functions of Regulatory Body Set standards through setting codes, by miscellaneous orders, by license conditions and by directions in tariff orders; Determine the tari
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