A comparison between frequency relays and vector surge relays for synchronous DG anti-islanding protection

Ali Tayebi, M. Akhbari
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引用次数: 2

Abstract

Investigations show that reactive power mismatch affects frequency relays performances. Vector surge relays (VSRs) being frequency based relays are widely used for islanding detection in power systems. Considering similarities between frequency relays'(FRs') and VSRs' performances, it is suggested that FRs can detect islanding conditions as well as VSRs, however no evidence is presented for comparing FR and VSR performances in case of reactive power mismatch. This paper presents a comparison of FR and VSR islanding detection protection performances considering reactive power mismatch. The results confirm the validity of replacing VSRs with FRs.
频率继电器与矢量浪涌继电器同步防孤岛保护的比较
研究表明,无功功率失配会影响频率继电器的性能。矢量浪涌继电器是一种基于频率的继电器,在电力系统中广泛应用于孤岛检测。考虑到频率继电器(FRs)和VSR性能之间的相似性,建议FRs可以检测孤岛条件以及VSR,但没有证据表明FR和VSR在无功功率失配情况下的性能进行比较。本文对考虑无功失配的FR和VSR孤岛检测保护性能进行了比较。结果证实了用FRs代替VSRs的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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