Answer / kaustav bhadury

Body earth pits and Neutral earth pits must never be
interconnected.
As per Indian Standards, they must be seperately grounded
into different Earth pits.

Answer / dayal varma

to make standby if neutral fail then the device get the
neutral from the earthing.

Answer / yogesh

If neutral earthing pit is separate & body earthing is
separate & if there is body earth fault voltage will develop
at the body suppose 230 V & someone touches body & neutral
potential difference will be 230 V & person will get shock.

If both pits are interconnected same potential will be there
& PD will be zero. So no shock.

1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

0 Answers   ACC,

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in power station what is the electrical circuit length of spacing between power transformer and lightning arrestors,for the voltage system of 230kv,110kv,33kv,22kv,11kv?

1 Answers  

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hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz

0 Answers  

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What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

0 Answers   ABB,

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can u describe the method used for protection of transmission line.

0 Answers   IBM,

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what is the meaning of spur line?

1 Answers  

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what is the iron loss in a 11KV/440V transformer?

2 Answers   Bhel, TVS,

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What are the Full Forms of TVM, MTL, CVT ?

0 Answers  

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why ELCB can't work if N input of ELCB do not connect to ground?

5 Answers  

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What is mathematical model of a control system?

0 Answers  

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If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.

5 Answers  

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How voltage step down is done?

3 Answers   IOCL,

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