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Type: Artigo de periódico
Title: Power imbalance application region method for distributed synchronous generator anti-islanding protection design and evaluation
Author: VIEIRA, Jose C. M.
Abstract: This paper presents a novel graphical approach to adjust and evaluate frequency-based relays employed in anti-islanding protection schemes of distributed synchronous generators, in order to meet the anti-islanding and abnormal frequency variation requirements, simultaneously. The proposed method defines a region in the power mismatch space, inside which the relay non-detection zone should be located, if the above-mentioned requirements must be met. Such region is called power imbalance application region. Results show that this method can help protection engineers to adjust frequency-based relays to improve the anti-islanding capability and to minimize false operation occurrences, keeping the abnormal frequency variation utility requirements satisfied. Moreover, the proposed method can be employed to coordinate different types of frequency-based relays, aiming at improving overall performance of the distributed generator frequency protection scheme. (C) 2011 Elsevier B.V. All rights reserved.
Subject: Distributed generation
Frequency protection
Non-detection zone
Synchronous generator
Country: Suiça
Citation: ELECTRIC POWER SYSTEMS RESEARCH, v.81, n.10, p.1952-1960, 2011
Rights: fechado
Identifier DOI: 10.1016/j.epsr.2011.06.009
Date Issue: 2011
Appears in Collections:FEEC - Artigos e Outros Documentos

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