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]
| Tobu 20000/20050/20070/20400 series | |
|---|---|
 20000 series set 21805 in April 2008 | |
| Manufacturer | Alna Kōki, Tokyu Car Corporation |
| Built at | Amagasaki, Yokohama |
| Replaced |
|
| 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 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
editA 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
editTrains 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
editTrains 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
editPassenger 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
editTrains 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
editPassenger 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
editTrains 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
editPassenger 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
editThe 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
edit20000 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)