铁路供电系统直流牵引变电所接地系统的改进

H. Hayashiya, Norio Koguchi, Hiroshi Yamamoto, Takashi Ozaki, Takashi Sakurai, Rikiya Inoue
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引用次数: 5

摘要

本文概述了2009年以来投资建设的东京大都市区牵引供电系统提高防雷性能的对策。特别是对直流牵引变电站对接地导体进行改造的投资,是改善接地系统抗浪涌电压和电流特性的先进成果,并作了详细说明。改进结构的效果也得到了体现。
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Improvement of grounding system of DC traction substation in railway power supply system
In this paper, the outline of countermeasures to enhance lightning-proof characteristics of traction power supply system in Tokyo metropolitan area which have been invested since 2009 is shown. Especially, the investment to improve grounding conductor in DC traction substations is advanced achievement which improve grounding system characteristics against surge voltage and current and explained in detail. The effects of the improvement constructions are also shown.
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