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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 DR Class E 251 ： ウィキペディア英語版 DR Class E 251 The East German electric locomotives of DR Class E 251 ''(from 1970: 251, DBAG Class 171)'' were not standard engines either within the Deutsche Reichsbahn's or subsequently the Deutsche Bahn's fleet, due to the different specification of their electrical system. They were only used on the Blankenburg (Harz) – Königshütte (Rübeland Railway) line. Because this line had steep inclines, but connecting this isolated branch to the main traction network would have been very expensive, the Deutsche Reichsbahn electrified it in 1965 with a 25 kV 50 Hz system, which was different from the usual German catenary supply of 15 kV 16⅔ Hz. The 15 Co’Co’ engines were supplied by LEW and registered with the Reichsbahn as E 251 001 to 015. == Service == Of the original 15 locomotives, 11 were deployed until December 2004 in charge of goods trains on the Rübeland Railway. Until that point they were stabled at Bw Blankenburg. Apart from 171 001 and 171 002, which were returned to their original state and placed under conservation protection, almost all locomotives are in the old Bw Zwickau, where they are awaiting future duties in southeast Europe. Class 171-hauled passenger services hauled ended in 2000 because the Federal Railway Office required the installation of door opening systems (''Türsteuerung'' or ''TB0'') on passenger trains. A TBO option for the trains was not followed through for cost reasons. Neither were the engines equipped with ''Sifa'' until 1998, because the additional crew member required on steep inclines initially meant that ''Sifa'' was not needed. Electrification of this engine's main route with a 25 kV catenary system had eventually to be carried out both for noise and environmental protection reasons and it was even joined for a while in 2004 by locomotives of classes 185 and 189. However, in 2005 there was a changeover to diesel locomotives of classes 233 and 241 operated by Railion as well as the Blue Tiger. Previously ⅔ of the transport duties were allocated to the ''Osthavelländische Eisenbahn'' (today ''hvle''), so the provision of electric locomotives by Railion was now no longer sufficiently economic. The introduction of DB Railion locomotives of Classes 233 and 241 ended on 31 March 2006, because the ''Fels-Werke'' factory switched all its contracts from 1 April 2006 to the ''hvle'' and its Blue Tiger fleet. 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「DR Class E 251」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.