Impact of Resistive SFCLs on Supervising Elements in Transmission Line Protection

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Applied Superconductivity Pub Date : 2025-02-17 DOI:10.1109/TASC.2025.3542346

Hangtian Lei;Brian K. Johnson

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引用次数: 0

Abstract

Power system transmission line protective relays are supervised by a number of elements to ensure the security and selectivity of protection decisions. Supervising elements are important for fault direction determination and they are typically designed based on the properties of sequence currents and voltages. Superconducting fault current limiters (SFCLs) could potentially affect the profiles of sequence currents and voltages, which could have further influence on the performance of supervising elements. This article is one of the first works that investigate the impact of resistive SFCLs on supervising elements in power system transmission line protection. A resistive SFCL and an electric power system are modeled in an electromagnetic transients simulation program. Single-line-to-ground faults are simulated on the transmission line. The acquired fault voltages and currents are processed by a transmission line impedance-based protective relay model to investigate the responses of supervising elements. The results are analyzed and discussed.

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来源期刊

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.