When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

0 Answers   TATA,

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Explain about c.t?

0 Answers  

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Do we really need wheels for the transformer

1 Answers  

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Why to keep capacitor bank off while generator running.

0 Answers   GIT,

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How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

0 Answers   BARC,

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Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

0 Answers  

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

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in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

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what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

0 Answers  

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Cb closed condition if there is a tcs fail whether cb will trip or not

0 Answers   AADC,

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maximum transmission voltage in india ? & where is it situated ?

7 Answers   GIDC, OPTCL,

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High speed earth switch operation with diagram

0 Answers   KSEB, L&T, Sanden Vikas, Siemens,

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