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

what is single phase motor?

5 Answers  

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If MF is 30000, pt ratio is 110 kV/110 v then what is the ct ratio?

2 Answers  

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what is circuit breaker in transfomer and where it used

0 Answers  

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can any one suggest paper presentation topies for electrical engg?

0 Answers  

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In a power system we know that if the generated power is less than the load then the frequency of the system is decreases.So does this mean that total required load is delivered at alower frequency?

1 Answers  

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what is the formula of starting current of 3phase and 1 phase motor???

0 Answers  

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what is the difference between synchronization and paralleling?

13 Answers   BARC,

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The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

0 Answers  

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what is the wattage of 'zero watt' bulb?

16 Answers   PSEB,

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How much water ( Kilo Liters) a submercible pump of 35 HP can lift from Borewell of 6" and 900 feet dip.

2 Answers  

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How can ignition voltage of light increased with the help of a ballast

1 Answers  

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What should be the minimum depth of ground laid 66 kv ht cable?

3 Answers   L&T,

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