簇式布置中低压交联聚乙烯电缆额定电流的计算

2008 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2008-10-01 DOI:10.1109/CEIDP.2008.4772921

Fan Youbin, Meng Shaoxin, Mi Fugui, Zhang Li, Lanqin Geng, Fan Yungang, Zhou Yunjie, Li Yu

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引用次数: 4

摘要

针对电力电缆集束敷设，根据IEC 60287标准，计算了中压、低压交联聚乙烯电缆在不同敷设状态、不同绕线温度、不同土壤热阻条件下的恒稳电流额定值。研究了温度和土壤阻力系数估算精度对最终结果的影响。结果表明，在簇状敷设中，土阻系数对电缆额定电流的影响最为重要。选择合适的土壤组分是提高电流额定值的重要方法。

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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Calculation of Current Rating for Medium and Low Voltage XLPE Cable in Clustered Layout

For the clustered layout of power cable, the steady current rating of MV or LV XLPE cable in different laying status, in different temperatures of circumvents, and in different soil thermal resistances, was calculated according to the IEC 60287 standard. The effect of the temperature and the accuracy of soil resistance coefficient estimation with regards to the final results are also investigated. The result shows the coefficient of soil resistance plays the most important role in the current rating for cable in a clustered layout. Selecting an appropriate soil component is an important method to increase the current rating.

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2008 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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