Answer / sunil singh

if we are not using oil in transformer than generally it's
size must be increased as possible as we can,, in this way
it's size increases so many times to provide insulation as
well as cooling......

Answer / dharmarajsinh

cooling of transformers are based on rating of
transformer.however if oil is not to be used for same
rating than insulation lavel will be increes and than for
cooling force cooling to be provided and altimatly size of
transformer will increases.

What happen if in three phase 440 v , when you check voltage by testor it glows except one phase and in the same time when you check by multimeter it shows 440 v in any two phase.what will be the reason...

1 Answers   Greatship,

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wt wil happen if a 120kv line is grounded

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how to select cable size for three phase?

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what is the effect of un-synchronized power.

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difference between local breaker backup relay or backup protection relay ?

1 Answers  

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why we are 0.8 power factor only?

1 Answers   Suman Industries,

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plzzzzzzzzz plzz send me the papers of JSPL WRITTEN TEST..SO that i can prepare for the test in electrical engg..

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is there any phase difference occurs while primary and secondary side mutual induction occurs?

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what is the Excaste meaning of CT Saturation?? 10 P 20, 15 VA, what is the meaning of 10, & 20. if the CT polarrity changed what will happened?? what is the differece between measuring CT & Protection CT?? what is the Saturation Point of measuring CT & Protection CT??

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What are your future plans for the company if permanently employed?

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what is RNG in the DG synchronizing by PLC?

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What is the unit of attenuation?

0 Answers  

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