洋上風力発電の現況と私たちの取り組み

2枚翼風力発電で未来へ

次世代の風力発電システムで発電の高効率化を目指す
Aiming for high efficiency of power generation with next-generation wind power generation system

自然界に無尽蔵に存在する風を利用した風力発電はクリーンエネルギーとしてコストパフォーマンスが高く、エネルギー変換率が良いため世界中て普及、拡大しています 。 現在、国土の狭い日本においても、設置可能エリアが広域て環境規制や周辺人家への影響が少なく、 年間を通じて安定した風力が得られる洋上風力発電に注目が集まっています。 一方で、海洋国家と言われる日本ですが、実は洋上風力発電の先進国である欧州と比べて遠浅の海域が少なく、着床式の洋上風力発電の適地には限りがあります。そこで現在、国をあげて開発に取り組んでいるのが浮体式洋上風力発電システムです。

私たちの提案する2枚翼風力発電システムは、軽量で施工性が良く、調達 及び経済性に優れ、台風などの日本の気象・海象条件にも適応した先進的な発電システムです。現在、その特徴や経済合理性を生かし、国立研究開発法人 新エネルギー・産業技術総合開発機構 (NEDO) の進める「次世代浮体式洋上風力発電システム実証研究」の実証機に搭載され、実証運転を実施してまいります。 私たちは2枚翼風力発電システムを通じて、浮体式洋上風力発電のみならず、陸上風力発電、洋上着床式風力発電も含め、風力発電事業のトータルソリューション企業として、常に新しいステージを目指し、地球規模の視野で地域社会と共に活動してまいります。

日本発のバージ型浮体式洋上風力発電システム

Barge floating offshore wind power system from Japan

The wind-generated electricity using the wind that there is in the natural world unlimitedly is cost-effective as a clean energy and enlarges the world て spread because an energy conversion rate is good. I can install it, and there are few wide area て environmental regulation and influence on neighboring houses an area, and, in small Japan of the country, attention gathers for the ocean wind-generated electricity to be provided the stable velocity of the wind through the year now. On the other hand, it is Japan said to be a marine nation, but, in fact, there are fewer sea areas of Toasa than Europe that is a developed country of the ocean wind-generated electricity, and the right lot of the implantation-type ocean wind-generated electricity is limited. Therefore it is a floating form ocean wind-generated electricity system now to work on development all over the country.

Construction characteristics are good at light weight, and be superior to procurement and economy, and two pieces of wing wind-generated electricity systems which we suggest are the advanced generation systems which adapted itself to the Japanese weather, walrus conditions such as typhoons. I make use of the characteristic and economic rationality, and it is equipped by national research and development corporation new energy, proof machine of “the next-generation floating form ocean wind-generated electricity system proof study” to push forward of industry technology overall development mechanism (NEDO) and will carry out proof driving now. We aim at the always new stage including land wind-generated electricity, marine implantation-style wind-generated electricity as well as floating form ocean wind-generated electricity through two pieces of wing wind-generated electricity systems as a total solution company of the wind-generated electricity business and will be active with a community in a global field of vision.

2枚翼風車のメリット
Advantages of a two-bladed wind turbine

日本の厳しい気象条件への適応
Adaptation to severe weather conditions in Japan

ブレードが2枚になることにより、幅広になるため剛性・強度が向上。一方で、ブレードの枚数が減ることにより、台風などの日本の厳しい気象条件に対応でき、強風の影響を1/3程度に軽減できます。暴風時の大幅な荷重低減により風車、タワー等、システム全体の 軽量化・コストダウンが可能になります。
By becoming two blades, because it becomes wide, rigidity and strength improve.  On the other hand, reducing the number of blades makes it possible to cope with severe weather conditions in Japan, such as typhoons, and reduce the impact of strong winds to about one third.  The drastic load reduction during storms makes it possible to reduce the weight and cost of the entire system, such as windmills and towers.

Reduce the influence of wind to ⅓

軽量化による高い施工性でコスト削減
Cost reduction with high installation efficiency by weight reduction

発電機の入ったナセルの小型化、軽量化が可能なので、同一出力の3枚翼発電システムに比べて35%-40%の軽量化を実現。ブレードとナセルを一体でタワーヘ取り付けでき、施工性が向上しエ期を短縮できます。資機材調達コストの低減にもつながります。
As the nacelle containing the generator can be made smaller and lighter, it is 35% -40% lighter than a 3-blade generator system with the same output.  The blade and nacelle can be integrally mounted on the tower, which improves the workability and shortens the installation period.  It also leads to a reduction in the cost of procurement of materials and equipment.

[Three wings] Attaching blades and nacelle to the tower takes time and effort.
[Two wings] The cost is low because the blade and nacelle are integrally attached to the tower