COLUMN-STABILIZED OFFSHORE PLATFORM WITH WATER-ENTRAPMENT PLATES AND ASYMMETRIC MOORING SYSTEM FOR SUPPORT OF OFFSHORE WIND TURBINES

Title:

COLUMN-STABILIZED OFFSHORE PLATFORM WITH WATER-ENTRAPMENT PLATES AND ASYMMETRIC MOORING SYSTEM FOR SUPPORT OF OFFSHORE WIND TURBINES

Document Type and Number:

Japanese Patent JP2015016860

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a column-stabilized offshore platform with a water-entrapment plates and asymmetric mooring system for support of offshore wind turbines.SOLUTION: A platform includes a floatation frame 105 that includes at least three columns 102, 103 that are coupled to each other with horizontal main beams 115. A wind turbine tower 111 is mounted on a tower support column 102. Turbine blades 101 are coupled to a nacelle 125 that rotates on the top of the tower. The turbine's gearbox generator and other electrical gear can be mounted either traditionally in the nacelle, or lower in the tower or on the top of the tower support column. The floatation frame includes a water ballasting system that pumps out water to between the columns to keep the tower in a vertical alignment regardless of the wind speed. Water-entrapment plates 107 are mounted on the bottoms of the columns to minimize the rotational movement of the floatation frame due to waves.

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Inventors:

DOMINIQUE RODDIER
CHRISTIAN CERMELLI

Application Number:

JP2014182487A

Publication Date:

January 29, 2015

Filing Date:

September 08, 2014

Export Citation:

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Assignee:

PRINCIPLE POWER INC

International Classes:

B63B35/00; B63B21/20; B63B21/50; B63B35/44; B63B39/06; B63B39/12; B63B43/06; F03D11/04

Domestic Patent References:

JP2004251139A	2004-09-09
JP2005504205A	2005-02-10
JPH06158571A	1994-06-07
JP2005069025A	2005-03-17
JPH04197887A	1992-07-17
JPH03235789A	1991-10-21
JP2004526609A	2004-09-02
JP2004218436A	2004-08-05
JP2515750B2	1996-07-10
JP2004176626A	2004-06-24
JP2001180584A	2001-07-03
JP2008013101A	2008-01-24
JP2003343447A	2003-12-03
JP2005271673A	2005-10-06
JP2007002721A	2007-01-11

Other References:

JPN6013026396; 太田真、外４名: '"箱型浮体式洋上風力発電設備の耐波性能に関する検討"' 第１７回海洋工学シンポジウム , 200307, ｐ．１１５-１１８, 社団法人日本造船学会

Attorney, Agent or Firm:

Katsunuma Hirohito
Hiroyuki Nagai
Katsuomi Isogai

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