when any relay trips in any ckt then what type of setting is there in motor?what is function of relay in that ckt?

3 Answers   Finolex,

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what is the difference between underreach and overreach.what is the advantage of using overreach instead of underreach.explain

1 Answers  

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america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

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How to calcualte 1unit of current consumption?

3 Answers   Bhushan Power Steel, ITC Infotech,

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Why generator is not connecting in delta ..why connecting in star ?

4 Answers   Bhel, Foretec Engineers,

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What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?

1 Answers  

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what is settable hystersis protection? If any body knows plz kindly post the answer..

0 Answers  

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

0 Answers  

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1 tr is equal to how many Kw .is there any specific formula for this to get the result .

13 Answers   Cipla, LG, NSN,

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WHY WE USE 4-20mA

5 Answers   Coca Cola,

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defined power system?

3 Answers   Spanco,

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What is differential relay? How it operates?

1 Answers  

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