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Type: Artigo de periódico
Title: Investigation of Positive Feedback Anti-Islanding Control for Multiple Inverter-Based Distributed Generators
Author: Wang, XY
Freitas, W
Dinavahi, V
Xu, WS
Abstract: The positive feedback-based anti-islanding scheme has become a common anti-islanding protection technique for inverter-based distributed generators (DGs). This paper investigates the scheme's impact on the small-signal stability of multiple inverter-based DGs installed in power distribution systems during grid-connected operation. The interactions among multiple-DGs due to the anti-islanding scheme are also addressed. An index is proposed to quantify the destabilizing effect of the aggregated positive feedback activities of multiple DGs. This paper further introduces a DG power transfer limit versus islanding detection time curve to reveal the conflicting requirements of anti-islanding protection speed and the maximum power transfer of multi-DG systems.
Subject: Distributed generator
positive feedback
small-signal model
Country: EUA
Editor: Ieee-inst Electrical Electronics Engineers Inc
Rights: fechado
Identifier DOI: 10.1109/TPWRS.2008.2007002
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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