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 function of earthfault relay?

Answer Posted / sennapparajan

The function of earth fault relay is to to protect the
device from earth fault. there are 2 types of earth fault
fault relays

1.neutral ct conneted earth fault relay. it will sense the
current flowing through neutral while earth lerakage.

2.three phase ct's connected earth fault relay.in normal
condition the sum of three phase ct's current in zero.

when earth fault the sum of the 3 phase ct's curret are un
balanced that time relay acts.

Is This Answer Correct ?    67 Yes 7 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to determine the inrush current of a transformer

2616


Why auxiliary transformers are not connected in parallel in primary stations?

1433


What is turn ratio of a transformer?

1241


Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

1966


how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

2006


How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

2184


What current position are you holding in your current company?

2079


How much dc volt applied in cathodic protection system?

2334


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

2415


what is the reactive power what is the use of it in system

2163


What is the magnetic field (coil DC ) of Turbo Expander?

2078


explain different types of d.c motors?

1157


WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

2105


IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

2378


What is hipot test procedure?

1469