&lt;b&gt;Development of Simple Catenary System for Operation over 300 km/h&lt;/b&gt;

Tsunemoto, Mizuki; Shimizu, Mitsuaki; Irikura, Keisuke; Morimoto, Hiroaki; Yamashita, Chikara; Ikeda, Kunio

doi:10.2219/rtriqr.61.1_47

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Proactive Maintenance1

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2020

2021

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“…In association with JR East, RTRI has also developed two types of simple high-speed catenary system [10] for 320 km/h and for 360 km/h. Introducing these systems when replacing auxiliary messenger wires currently used on compound catenary systems, will make it possible to reduce the labor required for maintenance.…”

Section: Proactive Maintenancementioning

confidence: 99%

<b>Recent Research and Development Activities in Maintenance Technologies for Electric Railway Power Supply Systems</b>

Ikeda¹

2020

Q. rep. RTRI

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In order to ensure reliability and stability of the electric railway systems, adequate maintenance operation for the electric power supply system is an essential matter. On the other hands, its maintenance operation involves high cost, because this system has a huge spatial scale. Furthermore, working population in Japan has been decreasing today, resulting in high demands on improving efficiency of the maintenance operation. RTRI has therefore been tackling the issue of improving in quality, efficiency and cost of the maintenance operation for the electric power supply system. This paper describes recent RTRI's research and development activities on the maintenance technologies for the power supply system in order to overcome these issues.

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Section: Proactive Maintenancementioning

confidence: 99%