Answer / naveen

SF6 is like VCB except arcing medium is Sulfer hexa fluride gas which is very good non conductive properties & reduces the arc flash it has all the safty relay I.e- over current.earth fault.sensitive earth fault transformer safty relays master trip relay tcs relay.

in ceiling fan and table fan what is the rotating part and what is the stationary part?

5 Answers  

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How calculate cable size & voltage drop for the following requirement connected load 150 KW distance cable length 1000 M voltage 3 phase 415 v.

1 Answers  

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difine electrical ballast in HPSVL

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what happened if power factor is "1"

9 Answers   Reliance,

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how to calculate fuse rating for a motor

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Is there any scope for an electrical engineer in MRF company......

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Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

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Current chopping mainly occurs in air blast circuit breaker.why?

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what are the difference between protection class CT and Class PS CT

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Comment on the working principle of operation of a single-phase transformer.

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what is neutral ground resistance relay? how it is helpful in protecting system?

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What is the difference of grounding and earthing?

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