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Lastochka is a Russian high speed electric express train. ==Main information== In 2009 Russian Railways ordered Siemens 20 electric trains, adapted to the conditions of Russia. New trains planned to use in Sochi for suburban passenger traffic during the Winter Olympics 2014, and then partially transferred to other lines for non-stop service routes, having sections with alternating and direct current. Previously Siemens for Russian Railways have already released dual-system trains Sapsan (Velaro RUS) high-speed communications. When designing a new electric train for was based on the model parivahan electric Siemens Desiro. 29 December 2009 Russian Railways signed a contract with the German company Siemens for the supply of 54 Siemens Desiro RUS electric trains worth 410 million euro. Trains received the designation of the series AS and commercial name of "Lastochka". The first 38 trains was planned to produce in Germany, the remaining 16 — in Russia.〔(【引用サイトリンク】 title = Desiro RUS — перспективный пригородный электропоезд )〕 The emergence of dual-system trains, equipped with a scheme for automatic transfer from one system to another, was caused by electrification of railway lines in the region of the Olympic games: the main railway network, which runs on flat areas along the coast of the Black sea, was electrified with direct current voltage of 3 kV, while built in the mountainous section of the Adler — Krasnaya Polyana due to the steepness of the slope, it was decided to electrify AC voltage 25 kV 50 Hz. The emergence of dual-system electric trains allowing for commuter rail routes, including sections of both DC and AC, including, without stopping at the splicing station, including the route Adler — Krasnodar at a splicing station Goryachiy Klyuch. All the technical solutions adopted by Siemens in the design of the new electric trains Desiro ML Rus, was discussed with a wide range of professionals specialized research institutes and agreed with Russian Railways. Many decisions in the field of construction design trains Siemens borrowed from Russian specialists involved in the organization of high-speed railway in Russia, and also from the experience gained from the development of high-speed trains Velaro RUS. In particular, the base platform of the train Desiro ML underwent adaptation to new conditions on the network with a width of 1520 mm in the harsh Russian winter. Difficult topographical conditions of the region of the Olympic games has presented higher requirements for automated systems and traction equipment, in connection with which trains were designed to ensure safe operation in the mining regime in line with the guiding inclines of up to 40 ‰. Design, execution of the control cabin and passenger compartment were discussed directly on the basis of the layout of the head car of the train. In March 2011 LLC "Ural locomotives" (CP "Siemens AG" and group "Sinara") and LLC Aeroexpress has formed a joint venture for manufacturing of electric trains in Russia. The production of compounds to initiate the "Ural locomotives" in Verkhnyaya Pyshma (Sverdlovsk Oblast). The production run started in late 2013. According to plans, the plant will produce for the Russian Railways about 200 cars annually. By 2017, 80 per cent of the production of these trains should be localized in Russia. 7 September 2011 Russian Railways placed an order for the supply of 1.2 thousand cars of electric trains Desiro RUS series. The contract was signed by the President of Russian Railways Vladimir Yakunin, President, Chairman of the Board of Siemens, Peter löscher President of Sinara Group Dmitry Pumpyansky on International railway business forum "Expo 1520" in Shcherbinka.〔(【引用サイトリンク】title=Siemens предварительно договорится с РЖД о поставке 240 поездов Desiro | РИА Новости )〕 Russian Railways has also concluded a contract with Siemens for the maintenance of 54 trains, RZD ordered in 2009 and 2010. The contract came into force in 2013 and designed for 40 years. The amount of the contract is more than 500 million Euro. The document was signed by Vladimir Yakunin and P. löscher.〔 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「Lastochka」の詳細全文を読む スポンサード リンク
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