Answer / siddu r

earthing problem.
so we connect earthing for body

Answer / interview023

There will be some problem in connection of rccb because rccb is trip when you got shock from any apperatus

Answer / harishdarade563

Minimum magnitude of current to feel shock is just 1mA(in case of AC).
when you are not earthing equipment properly you will get shock.

Why we Specify Transformer rating 433 V Instead of 415V ?

8 Answers   ABB, ERA, Uddans,

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Why double earthing is required ?

1 Answers  

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what is the difference between CT and CVT in EHV Sub Stations

4 Answers   Hofincons, Lanco, TATA,

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what is let through energy of mccb

2 Answers  

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Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

0 Answers  

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How to do the meggering for a cable.

6 Answers  

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Diff between Earthed & Unearthed cable ?

1 Answers   Torrent Pharma,

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Hi i want to know that in generation station what we are generate either voltage or current

1 Answers  

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What is Diff. btw Cat-5 & Cat-6 Network Cables???

3 Answers   Emerson,

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One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?

1 Answers  

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How efficiency of thermal plant can be improved?

0 Answers  

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can u give me a brief idea about power line carrier communication ??

0 Answers  

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