Answer / sudhir singh

The ac contents present in rectified output dc voltage is
called ripple content. During rectification the diode only
use upper half wave of the ac voltage and when final
waveform is produced the waveform is not a pure dc

RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?

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how many safety really of DG sets.

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Define noise?

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What is an Isolation Transformer? Where it will use?

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