Answer / k.prakashchandra

It is the voltage at which supply source changes over to
another.In generator excitation ,intially the excitation is
with outside dc supply in flashes, as gen voltage rises to
70% ,the excitation changes over to gen output.

how to calculate generator capacity?(kva)

2 Answers   SMEC,

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1 Answers  

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sir pls send the je exam - 2008 and other model question papers..

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what is the working principle of induction motor

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5 Answers  

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why the oscillator doent need the ac voltage??how can it produce the ac voltage by applying the dc voltage only??

2 Answers  

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