Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

what is the diffrantial relay???????why we use it on the MDB

Answer Posted / gova

Diff relay will trip not only for earth fault but for phase
fault occurring inside the transformer.

Diff relay should not operate for through faults or
external faults-(out zone fault,i.e beyond protected zone)

regards
gova

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

1985


why don't we use the generator as a motor? and what will happen?

1929


what is the method of earthing of a transformer using electrodes?

2332


what is submersible pump?what is different between motor and sub motor?

2119


Explain using drawings what is reverse PID action w.r.t PID controllers.

3528


in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

2218


what is the sludge current

2193


why swityard is necessrry requirement in any bis power distributin systems?

2432


What Is HO factor in power selection

2121


how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

6106


My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

2152


When can we take Neutral as common neutral link?

1713


We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

1794


what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

2134


IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3910