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Type: Artigo de periódico
Title: Formulas for predicting the dynamic performance of ROCOF relays for embedded generation applications
Author: Vieira, JCM
Freitas, W
Huang, Z
Xu, W
Morelato, A
Abstract: The paper presents a set of formulas for directly predicting the performance of rate-of-change-of-frequency (ROCOF) relays used to detect islanding of embedded synchronous generators. The formulas are analytically derived from the dynamic model of the generator and relay. Dynamic simulation results obtained using a representative distribution system confirm the validity and accuracy of the formulas. The formulas presented are a useful tool for protection engineers; they can be used, for example, to assess the effectiveness of anti-islanding schemes based on ROCOF relays, or to assist the selection of relay settings, significantly reducing the number of repeated dynamic simulations necessary to carry out such studies.
Country: Inglaterra
Editor: Institution Engineering Technology-iet
Citation: Iee Proceedings-generation Transmission And Distribution. Institution Engineering Technology-iet, v. 153, n. 4, n. 399, n. 406, 2006.
Rights: fechado
Identifier DOI: 10.1049/ip-gtd:20045205
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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