Tobu 20000 series

Tobu 20000 series
20000 series set 21807 in June 2008
Manufacturer Alna Kōki, Tokyu Car Corporation
Built at Amagasaki, Yokohama
Replaced 2000 series
Constructed 1988–1997
Entered service 25 March 1988
Scrapped 2017–
Number built 192 vehicles (24 sets)
Number in service 192 vehicles (24 sets) (as of 1 April 2017)
Formation 8 cars per trainset
Operator(s) Tobu Railway
Depot(s) Kasukabe
Line(s) served Tobu Skytree Line, Tobu Nikko Line, Tokyo Metro Hibiya Line
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 (60 mph)[1]
Acceleration 3.3 km/h/s
Deceleration 3.7 km/h/s (service), 4.5 km/h/s (emergency)
Electric system(s) 1,500 V DC
Current collection method Overhead line
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.[2]

The 20000 series fleet is scheduled to be replaced by new Tobu 70000 series EMUs with 20 m cars, but as of 1 April 2016, all 24 sets (192 vehicles) built were still in service.[3]

Variants

  • 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

20000 series

Thirteen eight-car sets (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.[2] These trains use the same AFE (Automatic Field Excite) chopper control as the earlier Tobu 9000 series trains, bolsterless bogies.[4]

Total number of vehicles built: 104[2]

Formation

Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[5]

Designation Tc1M1M2M1M3M1M4Tc2
Numbering 2180022800238002480025800268002780028800

The M1 cars are each fitted with one scissors type pantograph.[5]

20050 series

20050 series set 21853 in September 2017

Eight eight-car sets (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.[2] These sets have VVVF control.[1]

Total number of vehicles built: 64[2]

Formation

Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[5]

Designation Tc3M5M2M7M3M7M6Tc4
Numbering 2185022850238502485025850268502785028850

The M5 and M7 cars are each fitted with one scissors type pantograph.[5]

Interior

Passenger accommodation consists of longitudinal bench seating throughout, with seats for three persons between each pair of doors in the five-door cars.[4] 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.[4] 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.[4]

20070 series

20070 series set 21872 in April 2008

Three eight-car sets (21871 to 21873) were introduced from 25 March 1997 to cope with an increased service frequency. These sets feature three-door cars throughout, and also LED destination indicators.[2] These sets have VVVF control.[1]

Total number of vehicles built: 24[2]

Formation

Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[5]

Designation Tc1M1M2M3M4M3M5Tc2
Numbering 2187022870238702487025870268702787028870

The M1 and M3 cars are each fitted with one single-arm pantograph.[5]

Interior

Passenger accommodation consists of longitudinal bench seating throughout. These sets feature three-colour LCD passenger information displays above alternate doorways.[4]

Withdrawal

The 20000 series trains began to be replaced by new 70000 series trains from 7 July 2017.[6] The first set to be withdrawn, set (21813 and 21809), was removed for scrapping in July 2017.[7]

References

  1. 1 2 3 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.
  2. 1 2 3 4 5 6 7 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.
  3. ↑ 私鉄車両編成表 2016 [Private Railway Rolling Stock Formations - 2016] (in Japanese). Japan: Kotsu Shimbunsha. 25 July 2016. p. 39. ISBN 978-4-330-70116-5.
  4. 1 2 3 4 5 東武鉄道の世界: 身近な鉄路の"本格派"雑学 東武鉄道の世界 [The World of Tobu Railway] (in Japanese). Japan: Kotsu Shimbunsha. 8 April 2015. p. 41–43. ISBN 978-4-330-54215-7.
  5. 1 2 3 4 5 6 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.
  6. ↑ 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%5Bpermanent+dead+link%5D
  7. ↑ "東武鉄道20000系が渡瀬へ｜鉄道ニュース｜2017年7月29日掲載｜鉄道ファン・railf.jp".
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