Protection of series compensation station against lightning intruded wave in 1000kV AC transmission system

2010 International Conference on Power System Technology Pub Date : 2010-12-13 DOI:10.1109/POWERCON.2010.5666714

F. Gao, Wei-jiang Chen, Guofu Li, Zhi-fang Liu

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引用次数: 4

Abstract

Series compensation (SC) is one of the effective measures to increase the transmission capacity of 1000kV Ultra High Voltage (UHV) transmission system. Study on UHV SC technique is an urgently requirement along with the development of UHV transmission system. This paper will focus on the calculation and analysis of lightning withstand capability of SC station in order to confirm insulation level of SC Banks, as well as protection measures of lightning surge. The main connection of SC banks is selected in this paper, and the parameters of relevant equipment are also determined. Simulation models are built up separately on diverse locations for SC installation and under different operation conditions. Lightning fault probability of SC station is studied by the interval combination method. An evaluation on the performances between protection schemes of Lead-in Line Lead-in line protection and MOAs in station is carried out. Furthermore, a reasonable solution is proposed for the protection scheme of lightning intruded wave in UHV SC station.

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1000kV交流输电系统串联补偿站防雷侵波保护

串联补偿是提高1000kV特高压输电系统输电能力的有效措施之一。随着特高压输电系统的发展，对特高压超导技术的研究是一项迫切的要求。本文将着重对SC站的抗雷能力进行计算和分析，以确定SC库的绝缘水平，以及防雷浪涌的保护措施。本文选择了SC组的主接线方式，并确定了相关设备的参数。在不同的SC安装位置和不同的运行条件下，分别建立了仿真模型。采用区间组合法对SC站雷电故障概率进行了研究。对引线保护方案与站内moa保护方案的性能进行了评价。在此基础上，对特高压SC站的雷侵波防护方案提出了合理的解决方案。

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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2010 International Conference on Power System Technology

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