Answer / harikrishna

it is used at the main substation areas used it is saftey
purpose high current istanasus fauilt hih volatage triping

Answer / venkatesh sk

it is used for low tension air circuit function groud
fauilt high current istanasus fauilt hih volatage triping

Why we are use dol starter up to 10 hp

0 Answers  

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why are you use the crgo core lamination in transformer

6 Answers  

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i need to give section engineer (electrical engineer) for RRB. Please suggest some book

0 Answers  

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Dear all, is ther any body who can tell me about the setting of ACB(air circuit breaker ). what kind of it,s setting is and how to do it,s setting. also please tell me the setting of VCB(vaccume circuit breaker) . please tell me their setting,s. i will b very thank ful to all of u. Thank,s and Regard,s. Muhammed Ikram.

2 Answers  

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how to determine kilowatts (real power) is used in energy meter? is it apparent power effect the disk rotation?

1 Answers  

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how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

0 Answers  

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What is DC series motor?

0 Answers   Ericsson,

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how to prepare PPM schudule

3 Answers   TATA,

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Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

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What is the name of transformer oil?

18 Answers  

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why does spark appears when we swith on the light

1 Answers  

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The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

0 Answers  

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