×
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

Inrush simulation with ATP

Inrush simulation with ATP

Inrush simulation with ATP

(OP)
Hello,

I asked to one of the employees of the company to  do an Inrush current simulation with ATP of one transformer that is about to be connected, he handed me a model with the saturation curve included. The problem is that when you measure the voltage on the secondary, it appears with distortion, he said that it didn´t matter because it was a current simulation not a voltage simulation, anyway I think the modelshould work on all levels. Dos anyone know why this voltages are distorted? and how do I fix them?

Thanks,

RE: Inrush simulation with ATP

The secondary voltage is distorted because it is the result of the flux in the core (derivative of flux). And, since inrush current depends on core saturation, the flux is distorted (more a square wave than a sine wave), which means that the induced secondary voltage is highly distorted.

Why do you think that you have to do anything about the secondary voltage distortion? It is distorted only for a few tenths of a second. Not after the inrush current is over. By the way, the inrush current is also highly distorted. You accept that?

Gunnar Englund
www.gke.org

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