Tobu 20000 series
| 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 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 9500 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)
Tobu Railway trainsets | ||
|---|---|---|
| Commuter |  | |
| Express | ||
| Withdrawn types | ||