E501 series

The E501 series (E501系) is an AC/DC dual-voltage (1,500 V DC / 20 kV AC 50 Hz) electric multiple unit (EMU) train type operated on local services by East Japan Railway Company (JR East) in Japan since December 1995.[1]

E501 series
A 10+5-car E501 series formation on a Joban Line service, April 2003
In service1995–Present
ManufacturerKawasaki Heavy Industries, Tokyu Car Corporation
Replaced401 series
Constructed1995–1997
Entered serviceDecember 1995
Refurbished2011–2012
Number built60 vehicles
Number in service60 vehicles (8 sets)
Formation5/10 cars per trainset
Fleet numbersK701–K704, K751–K754
Operator(s)JR East
Depot(s)Katsuta
Line(s) servedJoban Line, Mito Line
Specifications
Car body constructionStainless steel
Car length20,420 mm (67 ft 0 in) (end cars)
20,000 mm (65 ft 7 in) (intermediate cars)
Width2,890 mm (9 ft 6 in)
Doors4 pairs per side
Maximum speed120 km/h (75 mph)
Traction systemCurrent: IGBT-VVVF (Toshiba)
Original: GTO-VVVF (Siemens)
Power output120 kW per motor
Electric system(s)1,500 V DC / 20 kV AC (50 Hz)
Current collection methodOverhead catenary
Safety system(s)ATS-PS
Track gauge1,067 mm (3 ft 6 in)

Design

Built jointly by Kawasaki Heavy Industries and Tokyu Car,[2] the design is derived from the 209 series commuter EMU, and were initially operated as 10+5-car formations on Joban Line services out of Ueno in Tokyo, but were modified with the addition of toilets and transferred to Joban Line and Mito Line local services in the Mito area from March 2007.[3]

Formations

As of 1 April 2014, the fleet consists of four 10-car sets, numbered K701 to K704, and four 5-car sets, numbered K751 to K754. All are based at Katsuta Depot, and are formed as shown below with car 1 at the southern end.[4]

10-car sets (K701 - K704)

The four 10-car sets are formed as shown below, with four motored ("M") cars and six unpowered trailer ("T") cars.[4]

Car No. 12345678910
Designation TcM2M1TTT'M2M1TT'c
Numbering KuHa E500-1000MoHa E500MoHa E501SaHa E501SaHa E501SaHa E500MoHa E500MoHa E501SaHa E501KuHa E501
  • Cars 3 and 8 are each equipped with a PS29 lozenge-type pantograph.[4]
  • The end cars, 1 and 10, are fitted with a toilet, and also have a wheelchair space.[4]
  • Car 8 is designated as a moderately air-conditioned car.[4]

5-car sets (K751 - K754)

The four 5-car sets are formed as shown below, with two motored ("M") cars and three unpowered trailer ("T") cars.[4]

Car No. 12345
Designation TcM2M1TT'c
Numbering KuHa E500MoHa E500MoHa E501SaHa E501KuHa E501-1000
  • Car 3 is equipped with a PS29 lozenge-type pantograph.[4]
  • Car 1 is fitted with a toilet.[4]
  • The end cars, 1 and 5, have a wheelchair space.[4]
  • Car 4 is designated as a moderately air-conditioned car.[4]

Interior
  • Interior view, January 2007

History

The first 10+5-car train was originally scheduled to be delivered in time for entry into service from the March 1995 timetable revision, but deliveries from Kawasaki Heavy Industries in Kobe were delayed until May due to the effects of the Great Hanshin earthquake in January of that year.[3] The first trains ultimately entered revenue service from the start of the 1 December 1995 timetable revision.[4]

Between September and October 2006, modifications were made to the side windows to allow some windows to be opened.[4] From October 2006, the fleet underwent modifications to add toilets, and from the start of the 18 March 2007 timetable revision, the E501 series trains were displaced from Joban Line services out of Ueno by E531 series sets, and were transferred to local services on the Joban Line north of Tsuchiura and on the Mito Line.[3] Between 2011 and 2012, the fleet underwent a life-extension refurbishment programme, which involved replacing electrical and brake equipment.[4] These trains used to have Siemens GTO-VVVF when delivered, which were similar to the Keikyu 2100 series. As part of the refurbishment, the propulsion system was changed to Toshiba IGBT-VVVF.

  • Intermediate motor car MoHa E501-7 showing the modified opening side windows, February 2009
  • The blocked-off window next to the retro-fitted toilet, January 2007
  • 5-car set K752 in December 2008

Build details

The build details for the fleet are as shown below.[4]

Set No.ManufacturerDeliveredToilet addedRefurbished
K701Kawasaki Heavy Industries23 May 199521 February 200720 January 2012
K702Kawasaki Heavy Industries20 February 199726 October 20065 November 2012
K703Kawasaki Heavy Industries6 March 199720 November 200627 March 2012
K704Tokyu Car18 March 19973 October 200626 January 2011
K751Tokyu Car28 March 199531 January 200721 August 2011
K752Kawasaki Heavy Industries21 February 19979 November 200621 May 2011
K753Kawasaki Heavy Industries7 March 19976 December 200625 April 2011
K754Tokyu Car19 March 199722 January 20071 September 2011

References
  1. Haraguchi, Takayuki (2009). Encyclopedia of JR's Railway Cars: ＪＲ全車両. Japan: Sekai Bunka. p. 89. ISBN 978-4-418-09905-4.
  2. Saka, Masahiro (March 2014). "JR第1世代の車両・現況と概要" [JR 1st-generation rolling stock: Current situation and overview]. Tetsudō Daiya Jōhō Magazine (in Japanese). Vol. 43 no. 359. Japan: Kōtsū Shimbun. p. 22.
  3. JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. pp. 391–392. ISBN 978-4-7770-0836-0.
  4. JR電車編成表 2014夏 [JR EMU Formations - Summer 2014]. Japan: Kotsu Shimbunsha. 30 May 2014. p. 43. ISBN 978-4-330-46614-9.

Further reading
  • 首都圏新系列車両 Profile: 209/E231/E233系グループの全貌 首都圏新系列車両PROFILE [Tokyo Area New-generation Rolling Stock Profile] (in Japanese). Japan: Ikaros Publishing. 15 April 2011. ISBN 978-4-86320-436-2.
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