Adaptive protection algorithm for overcurrent relay in distribution system with DG

Byung Chul Sung, Soo Hyoung Lee, Jung Wook Park, A. P.S. Meliopoulos

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

This paper proposes the new adaptive protection algorithm for inverse-time overcurrent relays (OCRs) to ensure their proper operating time and protective coordination. The application of the proposed algorithm requires digital protection relays with microcontroller and memory. The operating parameters of digital OCRs are adjusted based on the available data whenever system conditions (system with distributed generation (DG)) vary. Moreover, it can reduce the calculation time required to determine the operating parameters for achieving its purpose. To verify its effectiveness, several case studies are performed in time-domain simulation. The results show that the proposed adaptive protection algorithm can keep the proper operating time and provide the protective coordination time interval with fast response.

Original languageEnglish
Pages (from-to)1002-1011
Number of pages10
JournalJournal of Electrical Engineering and Technology
Volume8
Issue number5
DOIs
Publication statusPublished - 2013 Aug 30

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Distributed power generation
Relay protection
Microcontrollers
Data storage equipment

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Sung, Byung Chul ; Lee, Soo Hyoung ; Park, Jung Wook ; Meliopoulos, A. P.S. / Adaptive protection algorithm for overcurrent relay in distribution system with DG. In: Journal of Electrical Engineering and Technology. 2013 ; Vol. 8, No. 5. pp. 1002-1011.
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Adaptive protection algorithm for overcurrent relay in distribution system with DG. / Sung, Byung Chul; Lee, Soo Hyoung; Park, Jung Wook; Meliopoulos, A. P.S.

In: Journal of Electrical Engineering and Technology, Vol. 8, No. 5, 30.08.2013, p. 1002-1011.

Research output: Contribution to journalArticle

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