OFFSHORE DOWNWIND WIND TURBINE SYSTEM

Title:

OFFSHORE DOWNWIND WIND TURBINE SYSTEM

Document Type and Number:

WIPO Patent Application WO/2012/105034

Kind Code:

A1

Abstract:

Provided is an offshore downwind wind turbine system which can be obtained without an increase in cost even if the system is formed by installing wind turbine facilities at offshore locations having a variety of water depths. The present offshore wind turbine system is configured in such a manner that wind turbine facilities are installed in an offshore area and the rotors of the wind turbine facilities are located on the downwind side. The offshore wind turbine facilities are characterized in that, at shallow water locations in the offshore area, wind turbine facilities are supported by monopile foundations, and at deep water locations in the offshore area, wind turbine facilities are supported by caisson foundations, and that a wind turbine facility which is supported by the caisson foundation and wind turbine facilities which are supported by the monopile foundations and which are adjacent to the wind turbine facility supported by the caisson foundation are connected by cables. Specifically, the monopile foundation is used for a shallow water location where the water depth is 30 m or less, and the caisson foundation is used for a deep water location where the water depth is 30 m or more.

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Inventors:

SAKAMOTO KIYOSHI (JP)
MATSUNOBU TAKASHI (JP)
YANAGIBASHI TAKUJI (JP)
AZEGAMI KENICHI (JP)
HASEGAWA TSUTOMU (JP)

Application Number:

PCT/JP2011/052329

Publication Date:

August 09, 2012

Filing Date:

February 04, 2011

Export Citation:

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Assignee:

HITACHI LTD (JP)
SAKAMOTO KIYOSHI (JP)
MATSUNOBU TAKASHI (JP)
YANAGIBASHI TAKUJI (JP)
AZEGAMI KENICHI (JP)
HASEGAWA TSUTOMU (JP)

International Classes:

F03D11/04; F03D9/00

Foreign References:

JP2011503422A	2011-01-27
JP2006037397A	2006-02-09

Attorney, Agent or Firm:

POLAIRE I. P. C. (JP)
Polaire Intellectual Property Corporation (JP)

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