站级避雷器的可靠性

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.995941

W. McDermid

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引用次数: 3

摘要

在20世纪60年代和70年代安装的电力变压器由带间隙的避雷器和碳化硅阀元件保护。这些逮捕者中的许多人仍在服役，但人数正在减少。到1980年，所有新装置都安装了无间隙氧化锌避雷器。涉及避雷器的可靠性问题有两个:保护的充分性和在役故障造成的相应损坏。

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Reliability of station class surge arresters

Power transformers installed in the 1960s and 1970s were protected by surge arresters with gaps and silicon carbide valve elements. Many of these arresters are still in service but the population is declining. By 1980, gapless zinc oxide arresters were being installed in all new installations. There are two reliability issues involving surge arresters: adequacy of protection and consequential damage resulting from in-service failure.

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Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316)

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