Answer / chinga

lightining spike is a simple metalic rod which only conduct
lightining current to earth. where as lighting arrester is
a nonliner resister give ashort circuited path high curent
and a open circuited path to namal power current.

what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

0 Answers  

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what is the difference between squirrel cage & slip ring induction motor by construction & working principle ?

1 Answers   Sail,

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Why dose an electric meter record KVA when there is no load on a 500 KVA transformer

1 Answers  

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Whatis the current capacity of 33KV/ 0.433KV transformer on Primary and secondary side/

1 Answers  

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How do you compute voltage drop and cable size over distance?

0 Answers  

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if its possible for step up or step down DC volage directly ? possible means how we can do it ?

5 Answers  

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If a ACB breaker is tripping and closing problem, then what will we check internal..?

3 Answers  

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What is the following which is printed on electrical appratuses like AC21 ,AC 23 , etc ?

1 Answers  

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when we are going to higher voltage level in substations why we are using Sf6 circuit breakers instead of Vacuum circuit breakers.

3 Answers  

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what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

0 Answers   NTPC,

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what is the function of a Master trip relay? why is it used ?

5 Answers   ABB, Nissi Engineering Solution,

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different between grounding & earthing?

23 Answers   L&T,

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