线路电流差动继电器对相导体上的直接雷击的响应

2018 71st Annual Conference for Protective Relay Engineers (CPRE) Pub Date : 2018-03-01 DOI:10.1109/CPRE.2018.8349805

M. Boecker, Genardo T. Corpuz, Glenn Hargrave, Swagata Das, N. Fischer, V. Skendzic

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引用次数: 1

摘要

本文叙述了345千伏输电线路中雷电击中并放电电流进入相导体的事件。雷击放电的强度不足以引起闪络(线路绝缘击穿)。本文考察并解释了两种不同线路电流差动保护继电器对发生在其保护区内的这一事件的响应。

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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Line current differential relay response to a direct lightning strike on a phase conductor

This paper describes an event in which lightning struck and discharged current into the phase conductor of a 345 kV transmission line. The magnitude of the lightning discharge was insufficient to lead to a flashover (line insulation breakdown). The paper examines and explains the response of two different line current differential protective relays to this event that was inside their zone of protection.

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2018 71st Annual Conference for Protective Relay Engineers (CPRE)

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