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The Mettlen–Lavorgo powerline, also called the Lukmanier powerline, is the 400 kV three-phase alternating current high voltage electric power transmission line over the Lukmanier Pass in Switzerland, from Mettlen to Lavorgo. Trees falling on the line in 2003 caused a major blackout in Italy.〔 ==History== The powerline was built in 1948–1949. In 2006, 17 transmission towers between Sisikon and Ingenbohl and in 2008, 28 transmission towers between Arth and Küssnacht am Rigi were replaced.〔 (【引用サイトリンク】 Lavorgo - Mettlen ) 〕 On 28 September 2003, during a storm two trees hit the powerline causing a major blackout in Italy.〔 〕〔 〕〔 〕 The loss of power affected most of that country; nearly 50 million people were without electricity for up to 18 hours.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mettlen–Lavorgo powerline」の詳細全文を読む スポンサード リンク
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