×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

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

Jobs

Ground Current Return Through Neutral

Ground Current Return Through Neutral

Ground Current Return Through Neutral

(OP)
I am working on ground grid installations connected to a power utilities 12.47kV 250MVA multi-grounded-neutral distribution system.

The utilities practice is to use single conductor 15kV concentric neutral conductors for distribution.

The phase fault current out of the substation is limited to 7kA by reactors on each of the outgoing feeders.

Can you comment your practices on a percent value to use for current split factors for primary faults to ground at the customers equipment?  The equipment is all enclosed in a steel offshore shipping container.  

I have read in grounding papers that majority of the fault current returns through the utility neutral.

Thanks

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!


Resources