SF/sub - 6//N/sub - 2/混合物大电流断流能力研究

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.995973

W. Song, D.I. Yang, Y.H. Chung, D.S. Kim, H. S. Koh

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引用次数: 2

摘要

本研究旨在分析SF/sub - 6//N/sub - 2/混合物在气体断路器(GCB)中的替代性能。SF/sub - 6//N/sub - 2/混合物的中断能力在N/sub - 2/百分比为0 ~ 50%的实际GCB中得到验证。在实验室用170 kV泵式GCB进行了SF/sub - 6//N/sub - 2/混合物的断流试验。研究结果表明，25%的N/sub - 2/混合物具有与纯SF/sub - 6/相当的断流能力，而50%的N/sub - 2/混合物的断流能力较差。我们将很快对75%的N/sub /混合气进行试验，并根据试验结果研制出一种新型混合气断流器。

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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A study of large current interrupting capability of SF/sub 6//N/sub 2/ mixtures

This study aims to analyze the performance of the SF/sub 6//N/sub 2/ mixtures that can be a substitute for SF/sub 6/ in gas circuit breaker (GCB). The interrupting capability of SF/sub 6//N/sub 2/ mixtures were verified in real GCB with N/sub 2/ percentage varying from 0 to 50%. We carried out the current interrupting tests of SF/sub 6//N/sub 2/ mixtures by using a 170 kV puffer-type GCB at a laboratory. The results obtained from this study show that a 25% of N/sub 2/ mixture has an equivalent current-interrupting capability to pure SF/sub 6/ and a 50% of N/sub 2/ mixture has lesser capabilities. We will test a 75% of N/sub 2/ mixture soon and by using the test results, we develop a new-type interrupter of gas mixture.

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

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