{}

Our Brands

Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric Website

Welcome to our website.
Search FAQs
You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
How to calculate the IDMT Curves for MiCOM and SEPAM relays

Article available in these languages: Czech

Issue
Need to know how to calculate the IDMT curves for the MiCOM and SEPAM relays

Product Lines
MiCOM & SEPAM

Environment
Tripping IDMT Curves

Resolution
Attached are the two tools to calculate the IDMT Curves for the all the MiCOM and all the SEPAM relays.
Note: The tools are not interchangeable.  Unprotect sheets to work with formulas.  Charts are not included.

Conversion of TMS (Time Multiplier Setting) to Time delay (seconds):

TMS graph


Schneider Electric Vietnam

Attachment(s)
MiCOM IDMT Curves Calculator.xlsx [11.44 KB]
SEPAM_Protection.xlsx [22.2 KB]
Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.