10kv架空输电线路感应过电压故障计算

Proceedings of the 6th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists. Modern Techniques and Technology. MTT'2000 (Cat. No.00EX369) Pub Date : 2000-02-28 DOI:10.1109/SPCMTT.2000.896022

E.P. Malysheva

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引用次数: 1

摘要

10kv架空输电线路是配电线路的主要组成部分。供电可靠性直接取决于线路可靠性。然而，OTL受外力影响最大，尤其是闪电(约占所有故障的一半)。因此，提高OTL的防雷电阻率是一个需要解决的问题。这项工作的目的是在考虑绝缘的电气强度的情况下，确定由雷击过电压(IO)引起的10 kV OTL的具体年故障数量。对绝缘子进行了脉冲电强度试验。

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Calculation of 10 kV overhead transmission lines failures caused by induced overvoltages

10 kV overhead transmission lines (OTL) are the main element in distribution circuits. Power supply reliability directly depends on the line reliability. However, the OTL are most influenced by external forces, especially lightning (approximately half of all failures). Thus, improving OTL resistivity to lightning is a problem that needs solving. The aim of the work is to determine the specific annual quantity failures of 10 kV OTL caused by lightning induced overvoltages (IO) taking into account the electrical strength of insulation. Pulse electrical strength tests were performed on insulators.

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Proceedings of the 6th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists. Modern Techniques and Technology. MTT'2000 (Cat. No.00EX369)

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