OverCurrent Relay (Directional & Non Directional)

Version 1.5.0.0 (172 KB) by Muhammad Mohsin Aman
Design and Testing of OCR on Power System.
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Updated 1 Apr 2013

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File contains the design of a digital over current relay block (Directional and Non Directional) – a key component of any protection scheme – and its performance on SIMULINK®. A 400V industrial distribution power system is used as a tutorial to simulate and test over-current relay’s performance results, with motor start up inrush current consideration and backup relay coordination for safe and reliable operation. Similarly, a 132kV loop network is used as tutorial to simulate and test the directional over-current relay’s performance.

This is authorized work. Any modification in simulation need citation of work or prior permission from author.

For Details Refer Journal Paper:

M.M. Aman;, M.Q.A. Khan;, S.A. Qazi;, Digital Directional and Non-Directional Over Current Relays: Modelling and Performance Analysis, NED University Journal of Research, 8 (2011).

http://www.neduet.edu.pk/NED-Journal/pdf/11vol2paper7.pdf

Cite As

Muhammad Mohsin Aman (2026). OverCurrent Relay (Directional & Non Directional) (https://www.mathworks.com/matlabcentral/fileexchange/30533-overcurrent-relay-directional-non-directional), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2010a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.5.0.0

Reference paper details updated
1.3.0.0

For details of simulations, paper has been referred now.
1.2.0.0

Accepted Journal Paper and link mentioned.
1.0.0.0