Answer / gopal agarwal

SURGE arresters are used for arresting i.e. controling
lightining surgs which are accured during clouding.these
lightining surges are of very high voltage ranges such as
many times greater than the rating of equipments ,which will
damage them and hence these are used at both sides end of
electrical equipments for protection.

why transformer are rated in kva.

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2 Answers  

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why t/f are rated in kva. is it conserned with p.f.

3 Answers  

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can we increase our frequency rate in INDIA?

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66kv under ground cable how to layaing in ground any special case two ckt r runing

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What do you mean by screen of power cables?

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how can we check a fully charged battery?

6 Answers   BEML, Singareni Collieries,

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