Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here


Earth Fault / To determine faulted phase ?

Earth Fault / To determine faulted phase ?

Earth Fault / To determine faulted phase ?

Hi ,

I got earth fault trip on my MV incoming feeder relay. I wanna ask that if there is earth fault , how can we or relay determine the faulted phase ?Is it possible ? By the way , customer dont use the voltage information for this relay.


RE: Earth Fault / To determine faulted phase ?

YOu have either current or voltage. Guess current is all that is left. Look at event report.

RE: Earth Fault / To determine faulted phase ?

Yeah , I know , but "the customer want that if there s earth fault trip , E/F trip led and Faulted phase should be latched." So I just wonder if it s possible or not,the relay is ABB REF615


Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close