purpose of breaker contact multiplication relay?

5 Answers   ABB,

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The unit of resistivity is:(a) ohms(b) ohm millimetre(c) ohm metre(d) ohm/metre

4 Answers  

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What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?

0 Answers  

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How can you sized or estimate the ligthning arrester current rating?

0 Answers  

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why ht motors are star connected?

0 Answers  

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

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practicalLY what is impedence ...?

2 Answers  

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What is the PI test stand for transformer and what is the producer to do this test?

1 Answers  

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why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

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in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

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what is the minimum bdv value for 400 kva transformer?

2 Answers  

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How many percent of power are not being registered if we bypass one side of the meter base terminal using #8 cu wire on 1-phase kwhr meter. 

1 Answers  

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