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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Rio Madeira HVDC system ： ウィキペディア英語版 Rio Madeira HVDC system The Rio Madeira HVDC system is a high-voltage direct current transmission system in Brazil, built to export power from new hydro power plants on the Madeira River in the Amazon Basin to the major load centres of southeastern Brazil. The system consists of two converter stations at Porto Velho in the state of Rondônia and Araraquara in São Paulo state, interconnected by two bipolar ±600 kV DC transmission lines with a capacity of each. In addition to the converters for the two bipoles, the Porto Velho converter station also includes two 400 MW back-to-back converters to supply power to the local 230 kV AC system. Hence the total export capacity of the Porto Velho station is 7100 MW: 6300 MW from the two bipoles and 800 MW from the two back-to-back converters. When Bipole 1 commenced commercial operation in 2014, Rio Madeira became the world’s longest HVDC line, surpassing the Xiangjiaba–Shanghai system in China. According to the energy research organisation ''Empresa de Pesquisa Energética'' (EPE)〔Esmeraldo, P.C.V., Araujo, E.M.A., Carvalho, D.S. Jr., HVDC Madeira Transmission System – Planning Development and Final Design, CIGRÉ session, Paris, 2010, (Paper B4-306 ).〕 the length of the line is . == Generating plant == The northern (Porto Velho) converter station is connected, via a 500 kV AC collector grid (''Coletora Porto Velho''), to the new Rio Madeira hydro plant complex. As of January 2013 this consisted of two generating stations: Santo Antônio, close to Porto Velho, with a capacity of 3150 MW, and Jirau, with a capacity of 3750 MW, approximately away. Both generating plants are of the low-head, so-called run of river type in order to minimise the environmental impact of the project. They use ''bulb'' turbines, which are a type of horizontal-axis Kaplan turbine. These have very low inertia compared to other types of hydro-electric generator, and this led to concerns that the turbines could be damaged by over-speed in the event of a sudden interruption to power transmission on the HVDC lines. 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「Rio Madeira HVDC system」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.