Tokyo Metro 8000 series

Tokyo Metro 8000 series
Set 8108 in July 2021
Manufacturer	Kawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, Tokyu Car Corporation
Constructed	1980–1994
Entered service	1 April 1981
Refurbished	2004–2015
Scrapped	2021–
Number built	190 vehicles (19 sets)
Number in service	120 vehicles (12 sets) (as of 18 August 2022^[update])
Number scrapped	70 vehicles (7 sets)
Successor	Tokyo Metro 18000 series
Formation	10 cars per trainset
Capacity	136 (48 seating) (end cars), 144/150 (51/54 seating) (intermediate cars)
Operators	Tokyo Metro, previously TRTA
Depots	Saginuma
Lines served	Z Tokyo Metro Hanzomon Line DT Tokyu Den-en-toshi Line TS Tobu Skytree Line TNTobu Nikkō Line TI Tobu Isesaki Line
Specifications
Car body construction	Aluminium
Car length	20,000 mm (65 ft 7 in)[1]
Width	2,830 mm (9 ft 3 in)[1]
Height	4,135 mm (13 ft 6.8 in)
Doors	4 per side
Maximum speed	100 km/h (62 mph)[1]
Weight	318.1t (original), 294.8t (refurbished)
Traction system	Chopper control, later changed to IGBT-VVVF
Power output	160 kW (original), 165 kW (refurbished)
Transmission	Westinghouse Natal (WN) drive; Gear ratio: 5.73 : 1
Acceleration	3.3 km/(h⋅s) (2.1 mph/s)[1]
Deceleration	3.5 km/(h⋅s) (2.2 mph/s)(service) 4.5 km/(h⋅s) (2.8 mph/s) (emergency)[1]
Electric system(s)	1,500 V DC overhead
Bogies	SS-101, SS-035A
Braking system(s)	Electronically controlled pneumatic brakes with regenerative braking
Safety system(s)	Tokyo Metro CS-ATC, Tokyu CS-ATC, Tobu ATS
Coupling system	Janney coupler
Track gauge	1,067 mm (3 ft 6 in)

The Tokyo Metro 8000 series (東京メトロ8000系, Tōkyō Metoro 8000-kei) is an electric multiple unit (EMU) train type operated by Tokyo subway operator Tokyo Metro on the Tokyo Metro Hanzomon Line in Tokyo, Japan, since 1981.[1]

A total of 190 cars (19 ten-car sets) were built between 1980 and 1994 by Kawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, and Tokyu Car Corporation.[2]

Technical details

The train shares some design similarities with the earlier Tokyo Metro 6000 series on the Chiyoda Line and the Tokyo Metro 7000 series on the Fukutoshin Line, mainly the asymmetrical front and bodyshell with some cosmetic changes.

Original sets

• Motor output: 160 kW (215 hp)
• MT ratio: 6M4T
• Total train power output: 3,840 kW (5,150 hp)
• Control system: Chopper control

Refurbished (B-refurbishment) sets

• Motor output: 165 kW (221 hp)
• MT ratio: 5M5T
• Total train power output: 3,300 kW (4,425 hp)
• Control system: IGBT-VVVF control

Formations

As of 2016^[update], all of the 19 ten-car sets are refurbished formed as shown below, with car 1 at the Oshiage (northern) end.[3]

Original unrefurbished sets

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	CT1	M1	M2'	M1	Mc2	Tc1	T2'	M1	M2	CT2
Numbering	8100	8200	8300	8400	8500	8600	8700	8800	8900	8000

Cars 2, 4, and 8 each have two lozenge-type pantographs.[3]

Refurbished sets

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	CT1	M1	T3	M1	Mc2	Tc1	T2'	M1	M2	CT2
Numbering	8100	8200	8300	8400	8500	8600	8700	8800	8900	8000

Cars 2, 4, and 8 each have two lozenge-type pantographs.[3]

Interior

Cars 3 and 9 in the refurbished sets have a wheelchair space.[3]

• 
  Original style interior in February 2007
• 
  Interior of a refurbished set in February 2007
• 
  LED passenger information display
• 
  LCD passenger information display (refurbished set) in November 2010

Underside Equipment

• 
  FS035A bogie as used on the 8000 series
• 
  SS101 bogie as used on the 8000 series
• 
  ATC equipment as used on the 8000 series
• 
  Chopper control device on the 8000 series
• 
  VVVF inverter equipment as used on refurbished units

History

The first 8000 series trains were introduced in 1981.[2]

From 2004, a programme of refurbishment commenced, with some sets receiving VVVF control and three-phase motors.[2] In February 2016, set 8114 received full-colour LED destination indicators.[4]

Withdrawal

The 8000 series trains began to be replaced by new 18000 series trains from 7 August 2021. The first set to be withdrawn, set 8107, was removed for scrapping in August 2021.^[citation needed]

References

1. The 地下鉄 [The Subway] (in Japanese). Japan: Sansuisha. 29 September 2004. p. 40. ISBN 978-4-06-366218-4.
2. 首都圏鉄道完全ガイド 地下鉄・その他私鉄編 [Tokyo Area Complete Railway Guide - Subway and Other Private Lines] (in Japanese). Japan: Futabasha. 23 July 2014. p. 28. ISBN 978-4-575-45450-5.
3. 私鉄車両編成表 2015 [Private Railway Rolling Stock Formations - 2015] (in Japanese). Japan: Kotsu Shimbunsha. 23 July 2015. p. 69. ISBN 978-4-330-58415-7.
4. 東京メトロ8000系の行先表示器がフルカラーLED化される [Tokyo Metro 8000 receives full-colour LED destination indicators]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 12 February 2016. Retrieved 12 February 2016.

External links

• Tokyo Metro Hanzōmon Line 8000 series information (in Japanese)