Answer / er.nitesh

You want the appropriate cable size then just apply the
frml P=V*I*Cos#
Where voltage = 0.240
Load is given and cos# lie between 0.8 to 0.9
you can easily get the ampere rating and choosecable size.

whether energy meter is connected in series or parallel.why?

2 Answers   Encom,

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i am going to attaned the engineer (disign)iterview at HAL please give me duid line

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OHMS LAW

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mention the earthing system as per BIS?

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Why NGR is provided in sub station?

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Why are cables rated for 40 KA for 0.25 Sec fault current rating?

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

0 Answers  

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