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Furukawa Review No.43

The Development of the Power Transmission System for Fukushima FORWARD Project

Shigeru Fujii, Yuji Tateno, Koji Tomikuda, Yasuhiro Tominaga, Noriaki Horiguchi, Hiroshi Nakano, Hiroyuki Kon, Tooru Kagoura4, Takumi Yamaguchi, Hiroyuki Sakakibara

Abstract

Furukawa Electric Company (FEC) has proceeded with a Fukushima FORWARD Project (FF project) as one of the commissioning manufacturers of the Ministry of Economy, Trade and Industry. The Ministry has a plan of a floating wind turbine development for a powerful choice of renewable energies in Japan, which has the 6th largest exclusive economic zone (EEZ) in the world. Companies representing Japan entered into a consortium in which FEC is responsible of a transmission system. This paper reports the development condition of the power transmission system, mainly the development of a high voltage dynamic cable, which is considered as an essential technology. A behavior of dynamic cables subjected to under-water rolling caused by the steadily wave movement is different from that of the static submarine cables. Therefore a development point is the improvement of a fatigue withstands property. For a practical application of riser cables, a target is to achieve the similar endurance life of a floating body or of a windmill.

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