how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

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How does the phase sequence controller works, how it identifies the phases? confirm working principle

0 Answers  

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1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

0 Answers  

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Are generator action and motor action relates to a particular machine only?

2 Answers  

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why is control bus bi-directional?

0 Answers  

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what is difference between power & distrubution transformer ?

3 Answers  

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State nyquist stability criterion.

0 Answers  

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What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

0 Answers  

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How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

0 Answers   Gulf Industrial Services Company GISCO,

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Due to ferranti effect which power increases at the receiving end?active power or reactive power?

5 Answers  

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How to calculate the ups battery back up? give the formula.

15 Answers   Cushman Wakefield, Ethio Telecom, Exide, MacLellan, Morgan Stanley, TATA,

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How to calculate the efficiency of Turbo Generator(Alternator) in general....?

0 Answers   Thermax,

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