Answer / deen

Vacuum interrupter,mechanism,operating rod,spring charge motor,bottle travel distance is important,

Answer / guest

vaccum bottle contact gap,tripping contact,closing and
triping coils,moving lever rods,connector between metering
unit and relay unit

Answer / muhamad

vaccum bottle

Answer / dharmaraj

interupt unit is the main parts of VCB

Answer / manish

vaccum chamber, moving & tripping mechanism
,contacts, relays, bushing,
instrument transformers and bus bar.

Answer / nishad

I ask what are the parts of VCB?
Thanks

Answer / tharan

vaccum tube, spring charger,bush button,relay,motor bus bar moving rods and main important parts of vcb like vaccum tube...

Answer / rakesh

Vacume interrepter bottle

Answer / jashpal gohil

Veccum bottle,closing coil and male& female contact

Answer / pulkit tyagi

Moving contact ,current transformer ,potential transformer , vaccume bootle,connector ,universal motor , spring

in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

0 Answers  

Why neutral grounding Transformer provided for generator?

1 Answers   Siemens,

If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?

0 Answers  

There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.

1 Answers  

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

5 Answers  

What do you mean by screen of power cables?

0 Answers  

What is the deference between earth fault & earth leakage

1 Answers  

What are the two types of transistor and how they are made?

2 Answers  

plz tell me about for how many rating (for 500kva)how much current taken?

13 Answers  

why exciter frequency 150 Hz ?

1 Answers   Siemens,

Brief working principle of fluorcent tubelight,function of starter & choke.

3 Answers   Havells,

For single phase(phase to neutral) having potential difference 230.in three phase(phase to phase)we have 440V HOW...?

1 Answers