Tokyu 2000 series

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Tokyu 2000/9020 series
A 2000 series set on the Den-en-toshi Line
In service1992–present
ManufacturerTokyu Car Corporation
Constructed1992–1993
Entered service29 March 1992
Refurbished2018–2019
Number built30 vehicles (3 sets)
Number in service15 vehicles (3 sets)
Number scrapped15 vehicles
Formation5 (formerly 10) cars per trainset
Fleet numbers9021–9023
OperatorsTokyu Corporation
DepotsNagatsuta
Lines served
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,800 mm (9 ft 2 in)
Doors4 pairs per side
Maximum speed
  • service: 110 km/h (68 mph)
  • design: 120 km/h (75 mph)
Traction system(Before Refurbishment) GTO-VVVF
(After Refurbishment) SiC-VVVF
Acceleration3.3 km/(h⋅s) (2.1 mph/s)
Deceleration
  • 3.5 km/(h⋅s) (2.2 mph/s) (service)
  • 4.5 km/(h⋅s) (2.8 mph/s) (emergency)
Electric system(s)1,500 V DC (overhead wire)
Current collector(s)Pantograph
Safety system(s)CS-ATC
Track gauge1,067 mm (3 ft 6 in)

The Tokyu 2000 series (東急2000系, Tōkyū 2000-kei), reclassified Tokyu 9020 series (東急9020系, Tōkyū 9020-kei) from 2019, is a Japanese commuter electric multiple unit (EMU) train type operated by Tokyu Corporation in the Tokyo area since 1992. They were used on Tokyu Den-en-toshi Line and Tokyo Metro Hanzomon Line inter-running services from 1992 until 2018, as well as the Tokyu Oimachi Line since 2018. Three 10-car sets were built by Tokyu Car Corporation between 1992 and 1993, all of which were shortened to 5-car sets by March 2019.

Operations

These sets are used on the Tokyu Oimachi Line. Originally, they were used on Tokyu Den-en-toshi Line and Tokyo Metro Hanzomon Line inter-running services; they were not capable of running through onto the Tobu Skytree Line, and had circular "K" stickers on the centre front cab window to indicate this.[1]

Design

Based on the earlier Tokyu 9000 series EMU design, two sets were introduced in 1992, followed by a third in 1993.[1] The first two sets were delivered with roller blind destination indicators, whereas the third set was delivered from new with 3-colour LED destination indicators.[1] All three sets have since been modified with full-colour LED destination indicators.[1]

Formations

Den-en-toshi Line 10-car sets

The 10-car sets consisted of six motored (M) cars and four unpowered trailer (T) cars, formed as shown below, with car 1 at the Shibuya end.[2][3]

Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc2 M2 M1 T2 M2 M1 T1 M2 M1 Tc1
Numbering 2000 2250 2200 2700 2350 2300 2800 2450 2400 2100
Weight (t) 27.8 33.1 34.7 26.2 33.1 34.7 27.2 33.1 34.7 27.8
Capacity (total) 130 144 144 144 144 144 144 144 144 130

Cars 3, 6, and 9 were each fitted with one lozenge type pantograph.[3][a] Cars 3 and 9 had wheelchair spaces.[2]

Oimachi Line 5-car sets

The 5-car sets consist of three motored cars and two trailer cars, formed as shown below, with car 1 at the Oimachi end.[5]

Car No. 1 2 3 4 5
Designation Tc2 M M2 M1 Tc1
Numbering 9020 9220 9320 9420 9120

Car 4 is fitted with two single-arm pantographs, and car 2 is fitted with one.[5]

Interior

Passenger accommodation consists of longitudinal bench seating throughout.[1]

  • Interior view
    Interior view
  • Interior view of car 3, showing the wheelchair space
    Interior view of car 3, showing the wheelchair space

History

Set 2102 on the Den-en-toshi Line, with original roller blind destination indicators and no front end skirt, November 2004

The first two sets entered service on the Den-en-toshi Line in September 1992, with a third following in 1993.[1]

Refurbishment, Oimachi Line transfer, and reclassification to 9020 series

9020 series set 9021 (formerly 2101) on the Oimachi Line, December 2021

In March 2018, set 2103 (excluding its T2 and T1 cars) underwent a programme of refurbishment. The refurbishment included the implementation of a new traction system as well as an updated interior with new seating moquette and additional wheelchair spaces. In addition, the original lozenge pantographs were replaced with single-arm pantographs.[4]

Later that year, the 2000 series fleet was withdrawn from Den-en-toshi Line services and shortened to 5-car sets for use on the Oimachi Line[6][7] beginning with set 2103.[8] By February 2019, 2000 series set 2102 had also been transferred; both sets were reclassified "9020 series" and respectively numbered 9022 and 9023.[8] Set 2101 was transferred to the Oimachi Line in March 2019; it was subsequently renumbered 9021.[5]

The fifteen cars deemed surplus as a result of the fleet's transfer were scrapped in 2018.[5]

Future replacement

In May 2024, Tokyu Railway announced that as part of its 2024 capital investment plan, the 9020 series, together with the 9000 series, is scheduled to be replaced with a new fleet of rolling stock based on the 6020 series.[9]

Notes

  1. ^ Two single-arm pantographs for refurbished set 2103[4]

References

  1. ^ a b c d e f 私鉄車両年鑑2012 [Japan Private Railways Annual 2012]. Tokyo, Japan: Ikaros Publications Ltd. February 2012. p. 143. ISBN 978-4-86320-549-9.
  2. ^ a b 私鉄車両編成表 2012 [Private Railway Rolling Stock Formations – 2012]. Japan: JRR. July 2012. p. 68. ISBN 978-4-330-29911-2.
  3. ^ a b Watanabe, Mineo (May 1992). "東急2000系" [Tokyu 2000 series]. Japan Railfan Magazine. Vol. 32, no. 373. Japan: Koyusha Co., Ltd. pp. 29–33.
  4. ^ a b CAR INFO 東京急行電鉄2000系 更新工事施行車 [Tokyu Corporation 2000 series undergoing refurbishment]. Japan Railfan Magazine (in Japanese). Vol. 58, no. 686. Japan: Koyusha Co., Ltd. June 2018. pp. 70–71.
  5. ^ a b c d 車両 データバンク [Rolling Stock Databank]. Japan Railfan Magazine (in Japanese). Vol. 59, no. 702. Koyusha Co., Ltd. August 2019.
  6. ^ Yakita, Ken (May 2019). 東京の地下鉄 全ガイド [Complete guide to Tokyo's subway]. Japan Railfan Magazine (in Japanese). Vol. 59, no. 697. Japan: Koyusha Co., Ltd. pp. 28–29.
  7. ^ Kubo, Satoshi (May 2019). プレイバック・展望館 開業90周年を迎える東急大井町線 [Playback/Observation Hall - Tokyu Oimachi Line celebrates its 90th anniversary]. Japan Railfan Magazine (in Japanese). Vol. 59, no. 697. Japan: Koyusha Co., Ltd. pp. 118–123.
  8. ^ a b Hirose, Atsushi (18 February 2019). "東急2000系改め，9020系が登場" [Tokyu 2000 series reclassified as 9020 series]. Japan Railfan Magazine Online (in Japanese). Retrieved 4 December 2021.
  9. ^ "東急，2024年度の設備投資計画を発表" [Tokyu announces capital investment plan for 2024]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 14 May 2024. Retrieved 15 May 2024.
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