| 词条 | 300X | |||||||||||||||||||||||||||||||
| 释义 |
| name = Class 955 "300X" | image = 300x-955-6.jpg | imagesize = 300px | caption = Preserved car 955-6 at Hamamatsu Works, July 2010 | service = 1994–2002 | manufacturer = Hitachi, Kawasaki Heavy Industries, Mitsubishi Heavy Industries, Nippon Sharyo | factory = | yearconstruction = 1994 | yearservice = | refurbishment = | yearscrapped = 2002 | numberconstruction = | numberbuilt = 6 vehicles | numberservice = None | numberpreserved = 2 vehicles | numberscrapped = 4 vehicles | formation = 6 cars | fleetnumbers = A0 | operator = JR Central | depots = Tokyo | lines = Tokaido Shinkansen | carbody = Aluminium alloy | carlength = {{Convert|27150|mm|ftin|abbr=on}} (end cars), {{Convert|25000|mm|ftin|abbr=on}} (intermediate cars)[1] | width = {{Convert|3100|mm|ftin|abbr=on}} | height = {{Convert|3300|mm|ftin|abbr=on}} | floorheight = | doors = | maxspeed = {{Convert|350|km/h|mph|0|abbr=on}} (nominal) | weight = | acceleration = | deceleration = | traction = {{Convert|500|kW|abbr=on}} motors (4 per car) | poweroutput = {{Convert|12|MW|abbr=on}} | transmission = | aux = | powersupply = | hvac = | electricsystem = 25 kV AC, 60 Hz | collectionmethod = Overhead catenary | bogies = | brakes = | safety = | coupling = | multipleworking = | gauge = {{RailGauge|1435 mm|allk=on}} }}"300X" was the name given to the {{Nihongo|Class 955|955形}} 6-car experimental Shinkansen train developed in 1994 by the Central Japan Railway Company (JR Central) in Japan to test technology to be incorporated in future shinkansen trains operating at speeds of {{Convert|300|km/h|0|abbr=on}} or higher.[2] DesignManufacture of the train was shared among four different manufacturers, with a number of different body construction methods used. The two ends cars employed differing nose designs, and a number of pantograph shroud designs were tested over the lifetime of the trainset.[2] Formation
Cars 2 and 5 were fitted with pantographs.[3] 955-1End car with "cusp" nose design, built by Mitsubishi Heavy Industries. The body was constructed of rivetted Duralumin. This car had no passenger seats.[1][2] 955-2The body was constructed by Nippon Sharyo using large hollow aluminium extrusions. This was the only car in the trainset to be fitted with passenger seats.[2] 955-3This vehicle was constructed by Kawasaki Heavy Industries using spot-welded large aluminium extrusions, and was fitted with active tilting.[2] 955-4This vehicle was constructed by Nippon Sharyo using large hollow aluminium extrusions, similar to car 2, and was equipped with large side doors for installing and removing test equipment.[1] 955-5This vehicle was constructed by Hitachi using aluminium honeycomb panels. This car had no seats.[1][2] 955-6Hitachi-built end car with "wedge" nose design. The body was constructed of brazed aluminium honeycomb panels.[1] HistoryThe train was unveiled on 22 December 1994.[4] Test-running on the Tokaido Shinkansen was delayed by track damage caused by the Great Hanshin earthquake in January 1995, but full-scale test-running commenced on 25 May 1995, between Maibara and Kyoto.[4] On 21 September 1995, the Class 955 train recorded a maximum speed of {{Convert|354.1|km/h|abbr=on}} on the Tokaido Shinkansen between Maibara and Kyoto.[5] On 11 July 1996, the train recorded a maximum speed of {{Convert|426.6|km/h|abbr=on}}, exceeding the previous national speed record of {{Convert|425.0|km/h|abbr=on}} set in December 1993 by JR East's Class 952/953 "STAR21" experimental train.[5] On 26 July 1996, the train recorded a Japanese national speed record of {{Convert|443.0|km/h|abbr=on}} on the Tokaido Shinkansen between Maibara and Kyoto.[3] This record still stands. The Class 955 trainset was officially withdrawn on 1 February 2002.[6] PreservationEnd car 955-1 is preserved outdoors at the RTRI large-scale wind tunnel test facility in Maibara, Shiga.[7] End car 955-6 was initially preserved inside JR Central's Hamamatsu Works, and was moved to the new SCMaglev and Railway Park in 2010.[8] References{{Commons category|Shinkansen 955|Class 955 "300X"}}1. ^1 2 3 4 {{cite book| script-title=ja:JR全車輛ハンドブック2001 |trans-title=JR Rolling Stock Handbook 2001| publisher = Neko Publishing| year = 2001| location = Japan| page =| isbn = 4-87366-723-2}} {{Shinkansen}}2. ^1 2 3 4 5 {{cite book |script-title=ja: プロトタイプの世界 - Prototype World |publisher = Kotsu Shimbunsha |date = December 2005 |location = Japan |language = Japanese |pages = 60–63 |oclc=170056962}} 3. ^1 {{cite book |script-title=ja:JR電車編成表 '98夏号|trans-title=JR EMU Formations - Summer 1998| publisher = JRR |date = July 1998| location = Japan| page = 99| isbn = 4-88283-029-9}} 4. ^1 {{cite book| last = Suda| first = Hiroshi|script-title=ja:東海道新幹線 |trans-title=Tokaido Shinkansen| publisher = JTB Can Books| year = 2000| location = Tokyo, Japan| page =| isbn = 4-533-03563-9}} 5. ^1 {{cite book| last = Semmens| first = Peter| title = High Speed in Japan: Shinkansen - The World's Busiest High-speed Railway| publisher = Platform 5 Publishing| year = 1997| location = Sheffield, UK| page =| isbn = 1-872524-88-5}} 6. ^{{cite book |script-title=ja:新幹線電車データブック2011 |trans-title=Shinkansen Databook 2011| publisher = JRR |date = March 2011| location = Japan| page = 95| isbn = 978-4-330-19811-8}} 7. ^{{cite book| script-title=ja:鉄道のテクノロジーVol1：新幹線 |trans-title=Railway Technology Vol.1: Shinkansen| publisher = Sanei Mook|date = April 2009| location = Japan| page = 122| isbn = 978-4-7796-0534-5}} 8. ^{{Cite web| script-title = ja:ＪＲ東海博物館（仮称）建物内への展示車両の搬入について| trans-title = Installation of exhibits in JR Central Museum| work = | publisher = JR Central| date = 21 July 2010| url = http://jr-central.co.jp/news/release/_pdf/000008626.pdf| format = pdf| doi = | accessdate = 10 March 2011| language = Japanese| title = Archived copy| archive-url = https://web.archive.org/web/20110519214650/http://jr-central.co.jp/news/release/_pdf/000008626.pdf| archive-date = 19 May 2011| dead-url = yes| df = dmy-all}} 8 : Experimental and prototype high-speed trains|Hitachi multiple units|Kawasaki rolling stock|Land speed record rail vehicles|Nippon Sharyo rolling stock|Shinkansen train series|Train-related introductions in 1994|Tilting trains |
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