311 series
311 series, January 2022
In service1989–Present
ManufacturerHitachi, Kawasaki Heavy Industries, Kinki Sharyo
Replaced113 series, 115 series
Constructed1989–1991
Number built60 vehicles
Number in service60 vehicles (15 sets)
Formation4 cars per trainset
Fleet numbersG1–G15
OperatorsJR Central
DepotsŌgaki
Lines servedTokaido Main Line, Taketoyo Line
Specifications
Car body constructionStainless steel
Car length
  • 20,100 mm (65 ft 11 in) (end cars)
  • 20,000 mm (65 ft 7 in) (intermediate cars)[1]
Width2,966 mm (9 ft 8.8 in)
Doors3 pairs per side
Maximum speed120 km/h (75 mph)[1]
Traction systemResistor control + field system superimposed field excitation control
Traction motorsC-MT61A
Power output960kW (2M2T set configuration)
TransmissionGear ratio: 16:83 (1:5.19)
Electric system(s)1,500 V DC overhead
Current collector(s)C-PS27A single-arm pantograph
Braking system(s)Regenerative brake, electronically controlled pneumatic brakes
Safety system(s)ATS-ST, ATS-PT
Coupling systemShibata Type
Multiple working211/313 series
Track gauge1,067 mm (3 ft 6 in)

The 311 series (311系) is a DC suburban electric multiple unit (EMU) train type operated by Central Japan Railway Company (JR Central) in Japan.[1] First introduced in July 1989, a total of 15 four-car sets were built between 1989 and 1991 by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo to replace older 113 and 115 series EMUs. The design of the 311 series was developed from that of the 211 series.

Design

Built jointly by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo,[2] the design was developed from the earlier 211 series, with the first five trains introduced from July 1989 to replace older 113 and 115 series EMUs. Eight more sets were introduced from the start of the new timetable in March 1990, and a further two sets were introduced in March 1991.[3]

Formation

As of 1 October 2015, the fleet consists of 15 four-car sets (G1 to G15), all based at Ogaki Depot. The trainsets are formed as shown below with two motored cars and two non-powered trailer cars.[4]

Designation McM'TTc'
Numbering KuMoHa 311MoHa 311SaHa 311KuHa 310

The KuMoHa car is fitted with a single-arm pantograph.[4] Between June 2006 and July 2008, all sets had their original lozenge pantographs replaced with single-arm pantographs.[4]

Interior

References

  1. 1 2 3 JR全車輌ハンドブック2006 [JR Rolling Stock Handbook 2006]. Japan: Neko Publishing. 2006. ISBN 978-4-7770-0453-9.
  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). 43 (359): 23.
  3. ↑ 311系・313系 製作の背景と現在までの経緯 [311 & 313 series: Background and developments to present day]. Tetsudō Daiya Jōhō. 38 (304): 12–25. August 2009.
  4. 1 2 3 JR電車編成表 2016冬 [JR EMU Formations - Winter 2016] (in Japanese). Japan: Kotsu Shimbunsha. 18 November 2015. p. 126. ISBN 978-4-330-62315-3.
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