Abstract: In this paper we propose an application of the Prony method as a filtering technique for distance relays. First, an overview of the Prony method is presented, then the distance relay model and the impact of non-filtered frequency components such as interharmonics and subharmonics by application of typical digital filters in the operation of the distance relay is shown. We apply a solution using Prony method as a filtering technique applied to distance relay algorithms. Finally, an analysis of the proposed algorithm using simulated signals is evaluated to validate the proposed distance relay algorithm in reach error and operation time of the relay, a distorted characteristic of the Mho distance relay is shown in the impedance plane.

Keyword(s): distance relay ; Prony method ; interharmonics ; subharmonics
Note: 2013 12th International Conference on Environment and Electrical Engineering (EEEIC), 5-8 May 2013, pp. 568 - 572 Print ISBN:978-1-4673-3060-2, INSPEC Accession Number: 13614562 Wroclaw


Fulltext : http://zet10.ipee.pwr.wroc.pl/record/440/files/

Cited by: try citation search for ENY-ARTICLE-2013-352; doi: 10.1109/EEEIC.2013.6549580

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