Tobu 20000 series: Difference between revisions
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{{short description|Electric multiple unit train type operated in Japan by Tobu Railway}} |
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{{Use dmy dates|date= |
{{Use dmy dates|date=September 2020}} |
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{{Infobox train |
{{Infobox train |
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| name |
| name = Tobu 20000/20050/20070/20400 series |
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| image |
| image = Tobu 21805 Isesaki Line 20080427.jpg |
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| imagesize |
| imagesize = 300px |
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| caption |
| caption = 20000 series set 21805 in April 2008 |
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| service |
| service = |
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| manufacturer |
| manufacturer = Alna Kōki, [[Tokyu Car Corporation]] |
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| factory |
| factory = [[Amagasaki]], [[Yokohama]] |
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| family |
| family = |
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| replaced |
| replaced = {{Plainlist| |
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* [[Tobu 2000 series|2000 series]] |
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* [[Tobu 8000 series|8000 series]] (Utsunomiya Line) |
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}} |
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| numberconstruction = |
| numberconstruction = |
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| numberbuilt |
| numberbuilt = 192 vehicles (24 sets) |
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| numberservice |
| numberservice = 192 vehicles (24 sets) ({{as of|2017|04|01|lc=y}}) |
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| numberpreserved |
| numberpreserved = |
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| numberscrapped |
| numberscrapped = |
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| formation |
| formation = 4/8 cars per trainset |
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| fleetnumbers |
| fleetnumbers = |
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| capacity |
| capacity = |
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| operator |
| operator = [[Tobu Railway]] |
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| depots |
| depots = Kasukabe |
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| lines = {{Plainlist| |
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| lines = [[Tobu Skytree Line]], [[Tobu Nikko Line]], [[Tokyo Metro Hibiya Line]] |
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* {{TBLS|TS}} [[Tobu Skytree Line]] |
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* {{TBLS|TN}} [[Tobu Nikko Line]] |
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* {{TBLS|TN}} [[Tobu Utsunomiya Line]] |
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* {{TSLS|H}} [[Tokyo Metro Hibiya Line]] |
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}} |
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| doors = 3/5 pairs per side |
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⚫ | | maxspeed |
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| weight = |
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| doors = 3/5 pairs per side |
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⚫ | | maxspeed = {{Convert|100|km/h|mph|abbr=on}}<ref name="private2015">{{cite book |script-title=ja: 私鉄車両年鑑2015 |trans-title=Japan Private Railways Annual 2015 |publisher = Ikaros Publications Ltd. |date = 20 June 2015 |location = Tokyo, Japan |language = Japanese |page = 148|isbn = 978-4-8022-0003-5}}</ref><br />{{Convert|110|km/h|mph|abbr=on}} (20400 series)<ref name="mynavi19072018"/> |
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| weight = |
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| aux = |
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| traction = [[Chopper (electronics)|Chopper control]] (20000 series) <br/ > [[Variable-frequency drive|Variable frequency]] ([[Gate turn-off thyristor|GTO]]) (20050, 20070 & 20400 series) |
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| hvac = |
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| traction motors = TM-83 (Chopper)<br />TM-92 (GTO-VVVF) |
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| collectionmethod = Overhead line |
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| transmission = |
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| aux = |
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| hvac = |
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| collectionmethod = 20000 series: scissors type [[pantograph (transport)|pantograph]]<ref name="jrrprivate2010"/><br />20070 series: single-arm pantograph<ref name="jrrprivate2010"/><br />20400 series: single-arm pantograph<ref name="mynavi19072018"/> |
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| bogies = |
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| brakes = |
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| coupling = |
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}} |
}} |
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The {{Nihongo|'''Tobu 20000 series'''|東武20000系|Tōbu 20000-kei}} is a |
The {{Nihongo|'''Tobu 20000 series'''|東武20000系|Tōbu 20000-kei}} is a DC [[electric multiple unit]] (EMU) commuter train type operated by the [[private railway]] operator [[Tobu Railway]] in Japan since 1988.<ref name="dj263">{{cite magazine| script-title=ja: 2006東武鉄道通勤車両カタログ |trans-title=2006 Tobu Railway Commuter Rolling Stock Catalogue|magazine=Tetsudo Daiya Joho Magazine| volume = 35| issue = 263| pages =16–20| publisher = Kotsu Shimbun| location = Japan| date = March 2006}}</ref> |
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The 20000 series fleet is scheduled to be replaced by new [[Tobu 70000 series]] EMUs with 20 m cars |
The 20000 series fleet is scheduled to be replaced by new [[Tobu 70000 series]] EMUs with 20 m cars. |
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== |
==Variants== |
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* '''20000 series''': 13 x 8-car sets introduced from March 1988 |
* '''20000 series''': 13 x 8-car sets introduced from March 1988 |
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* '''20050 series''': 8 x 8-car sets introduced from December 1992 with 5-door cars |
* '''20050 series''': 8 x 8-car sets introduced from December 1992 with 5-door cars |
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* '''20070 series''': 3 x 8-car sets introduced from March 1997 |
* '''20070 series''': 3 x 8-car sets introduced from March 1997 |
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*'''20400 series''': 4-car sets introduced from 2018 for the Tobu Utsunomiya Line |
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==20000 series== |
==20000 series== |
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13 eight-car sets |
A total of 104 vehicles<ref name="dj263" /> (13 eight-car sets, numbered 21801 to 21813) were built to replace the ageing [[Tobu 2000 series|2000 series]] trains on inter-running services between the [[Tobu Skytree Line]] and the [[Tokyo Metro Hibiya Line]] in Tokyo, entering service on 25 March 1988. The body design uses a new lightweight corrugated stainless steel construction.<ref name="dj263"/> These trains use the same AFE (Automatic Field Excite) [[Chopper (electronics)|chopper]] control as the earlier [[Tobu 9000 series]] trains and bolsterless bogies.<ref name="tobu_sekai_2015">{{cite book |script-title=ja: 東武鉄道の世界 |trans-title=The World of Tobu Railway |publisher = Kotsu Shimbunsha |date = 8 April 2015 |location = Japan |pages = 41–43|isbn = 978-4-330-54215-7 |language = Japanese }}</ref> |
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Total number of vehicles built: 104<ref name="dj263"/> |
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===Formation=== |
===Formation=== |
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Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.<ref name="jrrprivate2010">{{cite book |script-title=ja: 私鉄車両編成表 2010 |trans-title=Private Railway Rolling Stock Formations - 2010| publisher = JRR| date = August 2010| location = Japan| page = 36| isbn = 978-4-330-15310-0}}</ref> |
Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.<ref name="jrrprivate2010">{{cite book |script-title=ja: 私鉄車両編成表 2010 |trans-title=Private Railway Rolling Stock Formations - 2010| publisher = JRR| date = August 2010| location = Japan| page = 36| isbn = 978-4-330-15310-0|title=私鉄車両編成表}}</ref> |
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{| class="wikitable" |
{| class="wikitable" |
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The M1 cars are each fitted with one scissors type pantograph.<ref name="jrrprivate2010"/> |
The M1 cars are each fitted with one scissors type pantograph.<ref name="jrrprivate2010"/> |
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{{ |
{{Clear}} |
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==20050 series== |
==20050 series== |
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[[File:Tobu |
[[File:Tobu-20050series.jpg|thumb|20050 series set 21856 in June 2018]] |
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A total of 64 vehicles<ref name="dj263" /> (8 eight-car sets, numbered 21851 to 21858) were introduced on 29 December 1992 on [[Tobu Isesaki Line]] (present-day [[Tobu Skytree Line]]) and [[Tokyo Metro Hibiya Line]] inter-running services. These sets feature two five-door cars at each end, and also LED destination indicators.<ref name="dj263"/> These sets have VVVF control.<ref name="private2015"/> |
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Total number of vehicles built: 64<ref name="dj263"/> |
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===Formation=== |
===Formation=== |
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==20070 series== |
==20070 series== |
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[[File:Tobu20070.jpg|thumb|20070 series set 21872 in April 2008]] |
[[File:Tobu20070.jpg|thumb|20070 series set 21872 in April 2008]] |
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These are eight-car sets that were introduced from 25 March 1997 to cope with an increased service frequency, of which 24 vehicles (three eight-car sets, numbered 21871 to 21873) were built.<ref name="dj263" /> These sets feature three-door cars throughout, and also LED destination indicators.<ref name="dj263"/> These sets have VVVF control.<ref name="private2015"/> |
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Total number of vehicles built: 24<ref name="dj263"/> |
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===Formation=== |
===Formation=== |
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Passenger accommodation consists of longitudinal bench seating throughout. These sets feature three-colour LCD passenger information displays above alternate doorways.<ref name="tobu_sekai_2015"/> |
Passenger accommodation consists of longitudinal bench seating throughout. These sets feature three-colour LCD passenger information displays above alternate doorways.<ref name="tobu_sekai_2015"/> |
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== |
==20400 series== |
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[[File:Tobu-Type20400-21433.jpg|thumb|Set 21433 in August 2021]] |
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The 20000 series trains began to be replaced by new [[Tobu 70000 series|70000 series]] trains from 7 July 2017.<ref>http://www.tobu.co.jp/file/pdf/fff044630876dab31fd1ef42f8e0c589/170622新型車両70000系運行開始【HP用確定版】.pdf?date=20170622170923</ref> The first set to be withdrawn, set (21813 and 21809), was removed for scrapping in July 2017.<ref>http://railf.jp/news/2017/07/29/202000.html</ref> |
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The 20400 series are four-car sets for Tobu Nikko Line and Utsunomiya Line operation north of Minami-Kurihashi Station.<ref name="mynavi19072018">{{cite web |last=Ueshin |first=Daisuke |url=https://news.mynavi.jp/article/20180719-tobu20400/ |script-title=ja:東武鉄道20400型を公開、日光線・宇都宮線で9月デビュー! 写真83枚 |trans-title=Tobu Railway 20400 series released, September debut on Nikko Line · Utsunomiya Line! 83 photos |language=Japanese |date=19 July 2018 |website=news.mynavi.jp |publisher=Mynavi Corporation |access-date=10 February 2019 |archiveurl=https://web.archive.org/web/20190210192021/https://news.mynavi.jp/article/20180719-tobu20400/ |archivedate=10 February 2019 |url-status=live}}</ref> The first trains entered revenue service on 3 September 2018.<ref name="railfan04092018"/> |
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===Formation=== |
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Trains are formed as follows, with two motored cars and two non-powered trailer cars.<ref name="mynavi19072018"/> Car 1 ("Tc2") and 4 ("Tc1") are former 20000 series cars built by Alna Koki in 1988, and cars 2 ("M2") and 3 ("M1") are former 20070 series cars built by Tokyu Car in 1997.<ref name="mynavi19072018"/> Some sets will incorporate former 20050 series cars, which will be converted from five doors to three doors per side.<ref name="mynavi19072018"/> |
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{| class="wikitable" |
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|- |
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! Designation |
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| Tc2 || M2 || M1 || Tc1 |
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|- |
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! Numbering |
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| 24400 || 23400 || 22400 || 21400 |
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|} |
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The M1 car is fitted with two single-arm pantographs.<ref name="mynavi19072018"/> |
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===Interior=== |
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Passenger accommodation consists of longitudinal bench seating throughout. The interior is based on the [[Tobu 70000 series|70000 series]] design.<ref name="mynavi19072018"/><gallery> |
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File:Tobu-24433 Inside.jpg|General interior view, July 2021 |
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File:Tobu-24433 Inside Priority-Seats.jpg|Priority seating, July 2021 |
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File:Tobu-24433 Button Inside.jpg|Passenger door buttons, July 2021 |
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</gallery> |
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==Withdrawal and refurbishment== |
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The 20000 series trains began to be replaced by new [[Tobu 70000 series|70000 series]] trains from 7 July 2017.<ref>{{cite web |url=http://www.tobu.co.jp/file/pdf/fff044630876dab31fd1ef42f8e0c589/170622新型車両70000系運行開始【HP用確定版】.pdf?date=20170622170923|title=新型車両70000系運行開始【HP用確定版】|date=22 June 2017 |archiveurl=https://web.archive.org/web/20171007095800/http://www.tobu.co.jp/file/pdf/fff044630876dab31fd1ef42f8e0c589/170622%E6%96%B0%E5%9E%8B%E8%BB%8A%E4%B8%A170000%E7%B3%BB%E9%81%8B%E8%A1%8C%E9%96%8B%E5%A7%8B%E3%80%90%EF%BC%A8%EF%BC%B0%E7%94%A8%E7%A2%BA%E5%AE%9A%E7%89%88%E3%80%91.pdf?date=20170622170923 |archivedate=7 October 2017 |url-status=dead}}</ref> The first sets to be withdrawn, sets 21813 and 21809, were removed for scrapping in July 2017.<ref>{{cite web|url=http://railf.jp/news/2017/07/29/202000.html |title=東武鉄道20000系が渡瀬へ |trans-title=Tobu Railway 20000 series to Watase |date=29 July 2017 |work=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |archiveurl=https://web.archive.org/web/20190210185339/https://railf.jp/news/2017/07/29/202000.html |archivedate=10 February 2019 |url-status=live}}</ref> Some of the 20000 series trains are also refurbished as 20400 series to replace [[Tobu 8000 series|8000 series]] trains.<ref name="railfan04092018">{{cite web |last=Saito |first=Takahisa |url=https://railf.jp/news/2018/09/04/180000.html |script-title=ja:東武20400形が営業運転を開始 |trans-title=Tobu 20400 series starts commercial operation |date=4 September 2018 |work=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |location=Japan |language=Japanese |archiveurl=https://web.archive.org/web/20190210184409/https://railf.jp/news/2018/09/04/180000.html |archivedate=10 February 2019 |url-status=live |accessdate=10 February 2019}}</ref> |
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The five-door 20000 series trains are being withdrawn so that platform doors can be installed on [[Tokyo Metro Hibiya Line]] stations. |
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===Transferred vehicles=== |
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20000 series cars are scheduled to be transferred to [[Alpico Kotsu]] for use on the [[Kamikōchi Line]], where they will replace life-expired former [[Keio 3000 series]] trains.<ref name="shinmai22062021">{{cite web |url=https://www.shinmai.co.jp/news/article/CNTS2021062200031 |title=上高地線 20年ぶり新車両 都内の地下鉄走った「20000系」 来春から運行 |trans-title= |language=Japanese |date=22 June 2021 |website=shinmai.co.jp |publisher=The Shinano Mainichi Shimbun |access-date=22 June 2021 |archive-url=https://web.archive.org/web/20210622152806/https://www.shinmai.co.jp/news/article/CNTS2021062200031 |archive-date=22 June 2021 |url-status=live}}</ref> |
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==References== |
==References== |
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==External links== |
==External links== |
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{{commons category}} |
{{commons category}} |
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* [http://www.tobu.co.jp/corporation/rail/vehicles/#ANC20000 Tobu 20000 series] {{ |
* [http://www.tobu.co.jp/corporation/rail/vehicles/#ANC20000 Tobu 20000 series] {{in lang|ja}} |
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{{Tobu trainsets}} |
{{Tobu trainsets}} |
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{{DEFAULTSORT:Tobu 20000 Series}} |
{{DEFAULTSORT:Tobu 20000 Series}} |
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[[Category:Electric multiple units of Japan]] |
[[Category:Electric multiple units of Japan]] |
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[[Category:Tobu Railway|20000 series]] |
[[Category:Tobu Railway|20000 series]] |
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[[Category:Train-related introductions in 1988]] |
[[Category:Train-related introductions in 1988]] |
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[[Category:Tokyu Car multiple units]] |
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[[Category:1500 V DC multiple units of Japan]] |
Latest revision as of 22:19, 31 March 2024
Tobu 20000/20050/20070/20400 series | |
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Manufacturer | Alna Kōki, Tokyu Car Corporation |
Built at | Amagasaki, Yokohama |
Replaced |
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Constructed | 1988–1997 |
Entered service | 25 March 1988 |
Refurbished | 2018– |
Scrapped | 2017– |
Number built | 192 vehicles (24 sets) |
Number in service | 192 vehicles (24 sets) (as of 1 April 2017[update]) |
Formation | 4/8 cars per trainset |
Operators | Tobu Railway |
Depots | Kasukabe |
Lines served | |
Specifications | |
Car body construction | Stainless steel |
Car length | 18,000 mm (59 ft 1 in) |
Width | 2,857 mm (9 ft 4.5 in) |
Doors | 3/5 pairs per side |
Maximum speed | 100 km/h (62 mph)[1] 110 km/h (68 mph) (20400 series)[2] |
Traction system | Chopper control (20000 series) Variable frequency (GTO) (20050, 20070 & 20400 series) |
Traction motors | TM-83 (Chopper) TM-92 (GTO-VVVF) |
Acceleration | 3.3 km/(h⋅s) (2.1 mph/s) |
Deceleration | 3.7 km/(h⋅s) (2.3 mph/s) (service) 4.5 km/(h⋅s) (2.8 mph/s) (emergency) |
Electric system(s) | 1,500 V DC overhead line |
Current collector(s) | 20000 series: scissors type pantograph[3] 20070 series: single-arm pantograph[3] 20400 series: single-arm pantograph[2] |
Safety system(s) | Tobu ATS |
Track gauge | 1,067 mm (3 ft 6 in) |
The Tobu 20000 series (東武20000系, Tōbu 20000-kei) is a DC electric multiple unit (EMU) commuter train type operated by the private railway operator Tobu Railway in Japan since 1988.[4]
The 20000 series fleet is scheduled to be replaced by new Tobu 70000 series EMUs with 20 m cars.
Variants
[edit]- 20000 series: 13 x 8-car sets introduced from March 1988
- 20050 series: 8 x 8-car sets introduced from December 1992 with 5-door cars
- 20070 series: 3 x 8-car sets introduced from March 1997
- 20400 series: 4-car sets introduced from 2018 for the Tobu Utsunomiya Line
20000 series
[edit]A total of 104 vehicles[4] (13 eight-car sets, numbered 21801 to 21813) were built to replace the ageing 2000 series trains on inter-running services between the Tobu Skytree Line and the Tokyo Metro Hibiya Line in Tokyo, entering service on 25 March 1988. The body design uses a new lightweight corrugated stainless steel construction.[4] These trains use the same AFE (Automatic Field Excite) chopper control as the earlier Tobu 9000 series trains and bolsterless bogies.[5]
Formation
[edit]Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[3]
Designation | Tc1 | M1 | M2 | M1 | M3 | M1 | M4 | Tc2 |
---|---|---|---|---|---|---|---|---|
Numbering | 21800 | 22800 | 23800 | 24800 | 25800 | 26800 | 27800 | 28800 |
The M1 cars are each fitted with one scissors type pantograph.[3]
20050 series
[edit]A total of 64 vehicles[4] (8 eight-car sets, numbered 21851 to 21858) were introduced on 29 December 1992 on Tobu Isesaki Line (present-day Tobu Skytree Line) and Tokyo Metro Hibiya Line inter-running services. These sets feature two five-door cars at each end, and also LED destination indicators.[4] These sets have VVVF control.[1]
Formation
[edit]Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[3]
Designation | Tc3 | M5 | M2 | M7 | M3 | M7 | M6 | Tc4 |
---|---|---|---|---|---|---|---|---|
Numbering | 21850 | 22850 | 23850 | 24850 | 25850 | 26850 | 27850 | 28850 |
The M5 and M7 cars are each fitted with one scissors type pantograph.[3]
Interior
[edit]Passenger accommodation consists of longitudinal bench seating throughout, with seats for three persons between each pair of doors in the five-door cars.[5] Seat width is 440 mm (17 in) per person for the three-person bench seats in five-door cars and 450 mm (18 in) per person for the ten-person bench seats in three-door cars.[5] As with the 9050 series EMUs introduced around the same time, these sets featured LCD passenger information screens above the doorways, but these were subsequently removed.[5]
20070 series
[edit]These are eight-car sets that were introduced from 25 March 1997 to cope with an increased service frequency, of which 24 vehicles (three eight-car sets, numbered 21871 to 21873) were built.[4] These sets feature three-door cars throughout, and also LED destination indicators.[4] These sets have VVVF control.[1]
Formation
[edit]Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[3]
Designation | Tc1 | M1 | M2 | M3 | M4 | M3 | M5 | Tc2 |
---|---|---|---|---|---|---|---|---|
Numbering | 21870 | 22870 | 23870 | 24870 | 25870 | 26870 | 27870 | 28870 |
The M1 and M3 cars are each fitted with one single-arm pantograph.[3]
Interior
[edit]Passenger accommodation consists of longitudinal bench seating throughout. These sets feature three-colour LCD passenger information displays above alternate doorways.[5]
20400 series
[edit]The 20400 series are four-car sets for Tobu Nikko Line and Utsunomiya Line operation north of Minami-Kurihashi Station.[2] The first trains entered revenue service on 3 September 2018.[6]
Formation
[edit]Trains are formed as follows, with two motored cars and two non-powered trailer cars.[2] Car 1 ("Tc2") and 4 ("Tc1") are former 20000 series cars built by Alna Koki in 1988, and cars 2 ("M2") and 3 ("M1") are former 20070 series cars built by Tokyu Car in 1997.[2] Some sets will incorporate former 20050 series cars, which will be converted from five doors to three doors per side.[2]
Designation | Tc2 | M2 | M1 | Tc1 |
---|---|---|---|---|
Numbering | 24400 | 23400 | 22400 | 21400 |
The M1 car is fitted with two single-arm pantographs.[2]
Interior
[edit]Passenger accommodation consists of longitudinal bench seating throughout. The interior is based on the 70000 series design.[2]
-
General interior view, July 2021
-
Priority seating, July 2021
-
Passenger door buttons, July 2021
Withdrawal and refurbishment
[edit]The 20000 series trains began to be replaced by new 70000 series trains from 7 July 2017.[7] The first sets to be withdrawn, sets 21813 and 21809, were removed for scrapping in July 2017.[8] Some of the 20000 series trains are also refurbished as 20400 series to replace 8000 series trains.[6]
The five-door 20000 series trains are being withdrawn so that platform doors can be installed on Tokyo Metro Hibiya Line stations.
Transferred vehicles
[edit]20000 series cars are scheduled to be transferred to Alpico Kotsu for use on the Kamikōchi Line, where they will replace life-expired former Keio 3000 series trains.[9]
References
[edit]- ^ a b c 私鉄車両年鑑2015 [Japan Private Railways Annual 2015] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 June 2015. p. 148. ISBN 978-4-8022-0003-5.
- ^ a b c d e f g h 私鉄車両編成表 私鉄車両編成表 2010 [Private Railway Rolling Stock Formations - 2010]. Japan: JRR. August 2010. p. 36. ISBN 978-4-330-15310-0.
- ^ a b c d e f g 2006東武鉄道通勤車両カタログ [2006 Tobu Railway Commuter Rolling Stock Catalogue]. Tetsudo Daiya Joho Magazine. Vol. 35, no. 263. Japan: Kotsu Shimbun. March 2006. pp. 16–20.
- ^ a b c d e 東武鉄道の世界 [The World of Tobu Railway] (in Japanese). Japan: Kotsu Shimbunsha. 8 April 2015. pp. 41–43. ISBN 978-4-330-54215-7.
- ^ a b Saito, Takahisa (4 September 2018). 東武20400形が営業運転を開始 [Tobu 20400 series starts commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. Archived from the original on 10 February 2019. Retrieved 10 February 2019.
- ^ "新型車両70000系運行開始【HP用確定版】" (PDF). 22 June 2017. Archived from the original (PDF) on 7 October 2017.
- ^ "東武鉄道20000系が渡瀬へ" [Tobu Railway 20000 series to Watase]. Japan Railfan Magazine Online. Koyusha Co., Ltd. 29 July 2017. Archived from the original on 10 February 2019.
- ^ "上高地線 20年ぶり新車両 都内の地下鉄走った「20000系」 来春から運行". shinmai.co.jp (in Japanese). The Shinano Mainichi Shimbun. 22 June 2021. Archived from the original on 22 June 2021. Retrieved 22 June 2021.
External links
[edit]- Tobu 20000 series (in Japanese)