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Dive into the research topics where Yuji Nakura is active.

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Featured researches published by Yuji Nakura.


IEEE Power & Energy Magazine | 2002

Long-distance 275-kV GIL monitoring system using fiber-optic technology

Akinobu Miyazaki; Naoki Takinami; Shin-ichi Kobayashi; Hideaki Nishima; Yuji Nakura; Hidehiko Komeda; Hiroshi Nagano; Hidenori Higashi

This paper reports the monitoring system applied for a long-distance 275 kV gas-insulated transmission line (GIL) using the latest fiberoptic technology. The monitoring system consists of two major parts. One monitors the GIL itself, for example, the insulated gas pressure and the surface temperature of the GIL enclosure, fault localization, and so on. The other monitors the condition of the tunnel where the GIL is installed. To construct a simpler and more reliable system, we have developed and applied certain kinds of optical sensors and measuring equipment. This system was verified to be effective through a loading test on an actual GIL and a high voltage test, etc. and has been put into actual operation service since February 1998.


Archive | 2002

Optical connector and shield connector therefor

Yuji Nakura; Hitoshi Imazu; Kazuhiro Asada


Archive | 2002

Optical connector device and optical connector

Kazuhiro Asada; Hitoshi Imazu; Yuji Nakura


Archive | 2002

Connector device and connector

Yuji Nakura; Hitoshi Imazu; Kazuhiro Asada


Archive | 2002

Optical connector and structure of optical connector-packaging/mounting portion

Yuji Nakura; Hitoshi Imazu; Kazuhiro Asada


Archive | 2002

Optical connector, optical element holding structure, and structure of a mount section of an optical connector

Yuji Nakura; Hitoshi Imazu; Kazuhiro Asada


Archive | 2002

Optical connector, shield casing, optical connector device

Yuji Nakura; Hitoshi Imazu; Kazuhiro Asada


Archive | 1997

Electrical power cable underground laying depth measuring method

Yuji Nakura; Ryosuke Hata; Masayoshi Yamaguchi


Archive | 2012

Optical module and method of manufacturing optical module

Hiroshi Tateishi; Yuji Nakura; Tomomi Sano; Kiyoshi Kato; Mitsuaki Nishie


Archive | 2002

Optical junction connector device and optical junction connector

Yuji Nakura; Kazuhiro Asada

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Hitoshi Imazu

Sumitomo Electric Industries

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Kazuhiro Asada

Sumitomo Electric Industries

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Kiyoshi Kato

Sumitomo Electric Industries

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Tomomi Sano

Sumitomo Electric Industries

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Hideaki Nishima

Sumitomo Electric Industries

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Hidenori Higashi

Sumitomo Electric Industries

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Mitsuaki Nishie

Sumitomo Electric Industries

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