Answer / narender

the main function of exciter of alternator is operate the
alternator and give alternating supply from the D.C source
(exciter)
and to maintain constant terminal voltage by controlling the
reactive power
under overexcited the machine supplies lagging reactive
power and in under excited it consumes the reactive power

can we use 7volt DC BATTERY to run a 60watt motor by stepup? Give reason for your answer?

5 Answers  

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can we use metering current transformer as protection current transformer if not why? & if yes why?

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how to calculate the neautral earthing conductor size for a 500kva dg set.

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working

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What is the impedence of Transformer?

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Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

0 Answers  

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