基于EMTP仿真的埋地超高压电缆接地故障浪涌研究

IEEE/PES Transmission and Distribution Conference and Exhibition Pub Date : 2002-10-06 DOI:10.1109/TDC.2002.1177665

Chen Min, Y. Sekiguchi, S. Mashio, M. Mitani, A. Jinno

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引用次数: 2

摘要

关于架空输电线路雷击的计算机模拟已经有很多报道。然而，本文描述了直埋特高压电缆传输线的接地故障浪涌电压，以及一些特殊情况的仿真结果，以了解当接头发生接地故障时，会发生什么浪涌以及浪涌如何在埋地电力电缆中传播。了解电缆线路的异常电压或异常电流，对电缆线路的绝缘设计和保护系统的设计具有重要意义。在计算机仿真中，采用了电磁瞬变程序(EMTP)，并以实际商业运行的超高压输电电缆线路为例，建立了计算模型。

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 of ground-fault surge in buried EHV cable line based on EMTP simulation

There have been many reports on the computer simulation of lightning striking on overhead power transmission line. This paper, however, describes ground-fault surge voltage on direct-buried EHV cable transmission line, some particular cases of simulation results for viewing what surge could occur and how the surge would propagate in buried power cable when ground fault takes place at a joint. It is considered to know the abnormal voltages or the currents will be useful for designing the insulations of cable line and its protection system. In the computer simulation here, Electromagnetic Transients Program (EMTP) is used and the computation model is constructed based on a real EHV power transmission cable line in commercial operation.

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IEEE/PES Transmission and Distribution Conference and Exhibition

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