Design and Implementation of a Multifunction DSP-based-Numerical Relay

Faculty of Engineering

Assiut University

Design and Implementation of a Multifunction DSP-based-Numerical Relay

Research Authors
Mazen Abdel-Salam, Rashad Kamel, Khairy Fathy and Mohsen Khalaf
Research Member
Rashad Mohammadein Kaml Mohammadein
Research Department
Electrical Engineering Department
Research Year
2017
Research Journal
Electric Power System Research
Research Publisher
Elseiver
Research Vol
Volume 143
Research Rank
1
Research_Pages
32–43
Research Website
http://www.sciencedirect.com/science/article/pii/S0378779616304308
Research Abstract

This paper is aimed at proposing a multifunction numerical relay (MNR) for protection against over-current, over- and under-voltage and over- and under-frequency. The MNR serves also as a directional relay. The performance of the MNR is investigated through simulation using MATLAB/Simulink and implementation of a prototype using TMS320F28335 Experimenter Kit. The MNR trips a circuit breaker at abnormal conditions of current, voltage and frequency. The novelty of the proposed relay lies on being a numerical compact-sized relay serving multi protection functions.