同塔多回路输电线路电磁环境研究

2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI:10.1109/ICPST.2008.4745302

Guihong Feng, Yanxin Wang, Bingyi Zhang

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引用次数: 21

摘要

特高压多回路同塔输电技术是一种新颖的输电技术，可以明显减少线路资源，显著提高单位面积输电容量。但其电磁环境问题是影响超高压输电线路可行性的关键问题之一，因此对超高压输电线路进行电磁环境研究具有重要意义。本文计算了输电线路在不同塔模式下不同相线序列所产生的电场强度和磁场强度。利用有限元分析可以准确地得到超高压输电线路下的电场和磁场分布。根据仿真结果，得出了同一塔上500kv / 220kv混压四回路输电线路中最合理的输电线路在塔上的位置和电磁场强度最小的最佳相线顺序。这可为输电线路建设提供理论参考。

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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Study on Electromagnetic Environment of Multi-circuit Transmission Lines on Same Tower

The technology of extra-high voltage multi-circuit transmission lines on same tower is one novel transmitting technology, which can obviously decrease the route way resource, and the transmission capacity per area is increased prominently. But its electromagnetic environment problem is one of the keys which affect the feasibility of EHV transmission lines, so it's important to study the electromagnetic environment. This paper calculates the electric field intensity and magnetic field intensity generated by transmission lines in different phase line sequences of different tower modes. We can accurately obtain the electric field and magnetic field distribution under EHV transmission lines using finite element analysis. From these simulating results, we can get the most reasonable position of transmission lines on tower and the best phase line sequence which has the least electromagnetic field intensity in 500 kV/220 kV mixed voltage four-circuit transmission lines on same tower. This can provide theoretic reference for construction of transmission lines.

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来源期刊

2008 Joint International Conference on Power System Technology and IEEE Power India Conference

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