...However, the oil crisis of 1973 prompted a renewed interest in natural energy sources such as wind power, and the use of wind turbines is also being reconsidered. Recent wind turbines have been developed primarily for generating electricity, but in addition to large-scale turbines with diameters of 50 meters or more and outputs of 1000 kW or more, wind farms have also been built that generate electricity by lining up a large number of medium-sized turbines with outputs of several tens of kW, and are operated connected to commercial power grids. There are two types of wind turbines: horizontal axis wind turbines, whose axis of rotation is horizontal to the ground, and vertical axis wind turbines, whose axis of rotation is perpendicular to the ground. ... *Some of the terminology used to refer to "wind farms" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ところが,1973年に起きた石油危機を契機に,再び風力など自然エネルギーが見直されるようになり,これとともに風車の利用も見直されつつある。最近の風車は主として発電用に開発されているが,直径が50m以上,出力は1000kW以上という大規模風車のほか,出力が数10kW級の中型風車を多数並べて発電するウィンド・ファームも建設され,商用電力網に接続して運転されている。 風車の形式には,風車の回転軸が地面と水平な水平軸風車と,回転軸が地面に垂直な垂直軸風車とがある。… ※「ウィンド・ファーム」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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