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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 Kazunogawa Pumped Storage Power Station ： ウィキペディア英語版 Kazunogawa Pumped Storage Power Station The Kazunogawa Dam (葛野川ダム) uses water from the Sagami River system to power a 1,200 MW pumped storage hydroelectric scheme. It is located east of Kōshū in Yamanashi Prefecture, Japan. The station is designed to have an installed capacity of and three of the four generators are currently operational. Construction on the power station began in 1993 and the first generator was commissioned on 3 December 1999. The second was commissioned on 8 June 2000. The third on become operational on 9 June 2014, six year early due to post-power demand from the Great East Japan earthquake. The fourth and final generator is slate to be commissioned by 2024. It is owned by TEPCO and was constructed at a cost of $2.2 billion USD. ==Design and operation== The upper reservoir for the power station is created by the Kamihikawa Dam at which is a tall and long rock-fill embankment type. It has a fill volume of . The upper reservoir's capacity is of which is active (or "useful) for power generation.〔 When energy demand is high, water from the upper reservoir is released down to the underground power station via a single long headrace tunnel which splits into two tunnels before each separate into two long penstocks. Each penstock feeds a single reversible 400 MW Francis turbine-generator with water before it is released into a long tailrace tunnel which discharges into the lower reservoir, created by the Kazunogawa Dam. When energy demand is low and therefore inexpensive, the turbines reverse into pumps and send water from the lower reservoir back to the upper reservoir. The process is repeated when necessary to help balance electricity loads. The difference in elevation between the upper and lower reservoirs affords an effective hydraulic head of and maximum of .〔 The Kazunogawa Dam is tall and long roller-compacted concrete gravity dam. It has a structural volume of . The lower reservoir's capacity is of which is active (or "useful) for pumping into the upper reservoir.〔 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「Kazunogawa Pumped Storage Power Station」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.