Experimental study on overcurrent relay setting for maximum protection level

Hemmati, Reza; Mehrjerdi, Hasan; Iqbal, Atif; Rakhshani, E.

Experimental study on overcurrent relay setting for maximum protection level

Conference paper (2019)

Authors

Reza Hemmati Kermanshah University of Technology

Hasan Mehrjerdi Qatar University

Atif Iqbal Qatar University

E. Rakhshani Intelligent Electrical Power Grids

Research Group

Intelligent Electrical Power Grids

Laboratory Test Minimum Trip Time Optimal Setting Overcurrent Relay Pickup Setting

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Published Date

2019

Language

English

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Research Group

Intelligent Electrical Power Grids

Abstract

This paper addresses both the experimental and simulation studies on the application of overcurrent protective relay. The industrial overcurrent relays often have three individual settings. In this paper, the relay operating characteristics are set on normal inverse and very inverse curves. These curves operate as backup of each other. The third setting is also set on the instantaneous definite minimum time. The designated protection scheme protects the system with the least operating time.

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