Lightning Protection System on Substation Extra High Voltage 500 kV Sumatera, Indonesia

2019 International Conference on Electrical Engineering and Informatics (ICEEI) Pub Date : 2019-07-01 DOI:10.1109/ICEEI47359.2019.8988784

Abdurrauf Irsal, Bryan Denov, R. Zoro

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引用次数: 2

Abstract

The National Electricity Company in Indonesia is planning to build a 500 kV power transmission system in Sumatera, Indonesia. Sumatra Island is an island that has a high intensity of lightning strikes every year. This is because the island of Sumatra is in the tropics and is in the Monsoon wind line. The conditions for the occurrence of Cumulonimbus Clouds are easily met, namely up-draft, aerosol, and humid air. Lightning disturbances at the substation are divided into two, traveling wave from the transmission and the direct lightning strokes at the substation. Traveling waves from the transmission can cause flashover in equipment. While direct lightning strokes at the substation can cause backflashover in the insulator of rod structure and flashover in the equipment. Therefore, a lightning protection system is needed in the substation. The solution for traveling waves from transmission is insulation coordination. The solution for direct lightning strokes on substations is rod structure that protects substation equipment and installation of arresters.

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印尼苏门答腊500kv特高压变电站防雷系统

印尼国家电力公司计划在印尼苏门答腊岛建设500千伏输电系统。苏门答腊岛是一个每年都有高强度雷击的岛屿。这是因为苏门答腊岛位于热带地区，处于季风线上。积雨云发生的条件很容易满足，即上升气流、气溶胶和潮湿空气。变电站的雷电干扰分为两种，即来自传输的行波和变电站的直接雷击。传输产生的行波会引起设备的闪络。而变电站的直击雷击会引起杆结构绝缘子内的反闪络和设备内的闪络。因此，变电站需要防雷系统。解决行波传播的方法是绝缘协调。解决变电站直击雷击的方法是采用保护变电站设备的杆结构和安装避雷器。

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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2019 International Conference on Electrical Engineering and Informatics (ICEEI)

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