基于单处理器电路保护的低压高阻接地系统接地故障定位

M. Valdes, T. Papallo, B. Premerlani
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引用次数: 6

摘要

低压电阻接地系统可以在系统可靠性和安全性方面为设施提供显著的优势。然而,这些系统的维护比牢固接地的管道系统更复杂,不适当的首次故障隔离和缺乏及时维修可能会给设施带来风险。确定配电系统中接地故障的位置是主要问题。我们描述了一种通过“保护和控制低压开关设备断路器的单处理器概念”来检测低压开关设备中哪个馈线发生故障的新方法,M.E. Valdes(2004)。我们描述了检测方法以及如何解决潜在的误差来源
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ground Fault Location in Low-Voltage High-Resistance Grounded Systems via the Single-Processor Concept for Circuit Protection
Low-voltage resistance-grounded systems may provide significant advantages to the facility in terms of system reliability and safety. However, maintenance of these systems is more complex than for solidly grounded wye systems and improper first-fault isolation and lack of timely repair may present a risk to the facility. Identifying the location of ground faults within the distribution system is the main problem. We describe a new way to detect which feeder has been faulted in a lineup of low-voltage switchgear protected via the "single-processor concept for protection and control of circuit breakers in low-voltage switchgear", M.E. Valdes (2004). We describe the detection methodology and how the potential sources of error are addressed
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