配电系统的避雷器故障和铁磁共振

[Proceedings] 1991 Rural Electric Power Conference. Papers presented at the 35th Annual Conference Pub Date : 1991-04-28 DOI:10.1109/REPCON.1991.153085

L.J. Bohmann, J. McDaniel, E. Stanek

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引用次数: 17

摘要

自1987年以来，上半岛电力公司(UPPCO)在密歇根州马奎特县南部的配电系统中经历了大量避雷器故障。这是在美国海军的极低频(ELF)天线区域，配电系统最近被重新配置，以便变压器连线到线路，以消除天线的干扰。研究表明，在高负荷条件下，系统在单线故障时易发生铁磁共振，并且所经历的过电压可能导致避雷器失效。这一结论进一步得到了统计研究的支持，该研究将实际故障数量与给定系统负载条件和故障率的预期故障数量进行了比较。

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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Lightning arrester failures and ferroresonance on a distribution system

Since 1987 the Upper Peninsula Power Company (UPPCO) has been experiencing a large number of lightning arrester failures, on a portion of their distribution system in southern Marquette County, Michigan. It was in the area of the US Navy's Extremely Low Frequency (ELF) antenna where the distribution system had been recently reconfigured so that the transformers were connected line-to-line in order to eliminate interference from the antenna. A study was done which determined that the system was susceptible to ferroresonance during single line faults under highly loaded conditions and that the overvoltages experienced could be causing the lightning arrester failures. This conclusion was further strengthened by a statistical study which compared the actual number of failures to an expected number of failures given the system's loading condition and fault rate.<>

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[Proceedings] 1991 Rural Electric Power Conference. Papers presented at the 35th Annual Conference

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