IDMT Overcurrent Relay Calculator

Version 1.0.0 (2.79 KB) by Rodney Tan
IDMT Overcurrent Relay Calculator computes overcurrent relay operating time during fault based on fault current and relay setting
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Updated 1 Jun 2020

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% Written by Rodney Tan (PhD)
% Version 1.00 (Jun 2020)
%
% IDMT Overcurrent Relay Calculator computes overcurrent relay
% (ANSI/IEEE C37.2 device number 51P) operating time during fault based on
% fault current and the relay IDMT trip curve, CT, Plug Setting / Lowset I>
% and Time Multiplier Setting (TMS).
% It supports both IEC 60255-3 and IEEE Standards C37.112-1996 IDMT trip curve.

Cite As

Rodney Tan (2026). IDMT Overcurrent Relay Calculator (https://www.mathworks.com/matlabcentral/fileexchange/76475-idmt-overcurrent-relay-calculator), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2020a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0