What is the function of earthfault relay?

Answer Posted / gova

The E/F relay will operate under unbalanced condition
i.e 1) during earth fault
2)During any phase open (when unbalanced current
exceeds the relay settings)

regards
gova

Is This Answer Correct ?    15 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

1640


What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design

2870


how we arrange the hv side with delta connection in case 33/11kv of transformer.

1550


Why front mounted CT polarities are always towards breaker?

1527


Difference between field rheostat and armature rheostat.

699






What is the use of Surge Capacitor in LAVT?

12918


distribution is maximum done by a)radial b)network c) parallel d)b & c

1499


PIU how does work?

1996


How to calculate fault level of 11 KV system

1523


what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

4634


What is dc current source? Differentiate between ideal and non ideal current sources?

815


Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

1277


What are the advantages of autotransformer?

765


how to calculate the change over time for star delta starter for different KW motor?

3754


can anyone provide me a amf panel control wiring using ec-2 relay?

1731