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NE Train

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NE Train
KuMoYa E995-1 "NE Train Smart Denchi-kun" in October 2011
ManufacturerTokyu Car Corporation
Constructed2003
Scrapped2020[citation needed]
Number built1 vehicle
FormationSingle car
CapacityNon-passenger
OperatorsJR East
Specifications
Car body constructionStainless steel[1]
Car length20,000 mm (65 ft 7 in)
Width2,800 mm (9 ft 2 in)
Height3,655 mm (11 ft 11.9 in)
Doors2 pairs per side
Maximum speed100 km/h (62 mph)
Electric system(s)1,500 V DC
Current collector(s)Overhead catenary
Track gauge1,067 mm (3 ft 6 in)

The "NE Train" (NEトレイン) (New Energy Train) was an experimental railcar which has been used to test a number of alternative power sources by the Railway Technical Research Institute (RTRI) and East Japan Railway Company (JR East) in Japan since 2003.[2]

History

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KiYa E991 diesel/battery hybrid railcar

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The "NE Train" was first delivered from Tokyu Car Corporation in April 2003, configured as the world's first hybrid diesel/battery railcar[3] and classified as KiYa E991-1. The stainless steel bodyshell was derived from the E127-100 series EMU design, although with cabs at both ends instead of one in a married pair, two doors per side instead of three, and no gangways.[1] From 6 May 2003, it was tested on the Nikkō and Karasuyama Lines.[4] Data obtained from these trials was used to develop the KiHa E200 DMU, which entered service on the Koumi Line from July 2007.[1] The train used small lithium-ion batteries and high powered cells as would be used in a hybrid automobile.[5]

  • The KiYa E991-1 "NE Train" on delivery in April 2003
    The KiYa E991-1 "NE Train" on delivery in April 2003
  • "NE Train" in its first incarnation as diesel/battery hybrid KiYa E991-1 in May 2004
    "NE Train" in its first incarnation as diesel/battery hybrid KiYa E991-1 in May 2004

KuMoYa E995 fuel-cell/battery hybrid railcar

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The "NE Train" underwent modifications in 2006 to replace the diesel generator with a hydrogen fuel cell, becoming the world's first fuel-cell/battery hybrid railway vehicle, classified KuMoYa E995-1. The vehicle was fitted with six hydrogen tanks (with total capacity of 270 L (71 U.S. gal)) and lithium-ion batteries with increased storage capacity (19 kWh) compared with the earlier KiYa E991 hybrid version. These powered the train's two 95 kW (127 hp) traction motors. The railcar was based at Nagano depot, and tested on JR East main lines in the Nagano area during fiscal year 2007 at speeds of up to 100 km/h (62 mph).[6]

KuMoYa E995 series battery railcar

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KuMoYa E995-1 "NE Train Smart Denchi-kun" in October 2011
The first EV-E301 series two-car battery EMU in March 2014

The "NE Train" again underwent modifications at Tokyu Car Corporation's factory in Yokohama in 2009 to become a battery electric multiple unit with the addition of a pantograph and storage batteries replacing the earlier fuel cell, and rebranded "NE Train Smart Denchi-kun" (NE Train スマート電池くん). This railcar has a maximum service speed of 100 km/h (62 mph) and can operate on battery power alone a distance of up to 50 km (31 mi) away from an overhead power supply.[7]

The railcar was test-run within Ōmiya Works from October 2009, with test running on the Utsunomiya Line under consideration from January 2010.[8]

The unit was modified in August 2011, with one of the four lithium battery units relocated beneath the passenger seats, increasing available space.[9]

In February and March 2012, the programme entered its final phase. Nighttime trial runs were conducted on the non-electrified Karasuyama Line outside operating hours. A recharging facility was built at the line terminus Karasuyama Station. It consists of a rigid overhead conductor bar which recharges the train via its pantograph.[10] The overhead conductor bar is rated at 1,500 V DC, powered by local electricity grid at 6,600 V AC. A single charge of 10 minutes gives a range of approximately 20 km (12 mi).[11]

The programme eventually developed into the EV-E301 series, a two-car battery electric multiple unit. The series entered passenger service on the Karasuyama Line and Tohoku Main Line in March 2014.[12]

See also

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  • Smart BEST, an experimental Japanese battery train built by Kinki Sharyo in 2012

References

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  1. ^ a b c プロトタイプの世界 – Prototype World. Japan: Kotsu Shimbunsha. December 2005. OCLC 170056962.
  2. ^ 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.
  3. ^ 世界初のハイブリッド鉄道車両！ 「ＮＥトレイン」 [World-first hybrid rail vehicle "NE Train"]. Japan Railfan Magazine. Vol. 43, no. 506. Japan: Koyusha Co., Ltd. June 2003. p. 86.
  4. ^ JR東日本　キヤE991系"NEトレイン"　日光線試運転中 [JR East KiYa E991 "NE Train" test running on Nikkō Line]. Tetsudō Daiya Jōhō. 32 (231): 72. July 2003.
  5. ^ Yamamoto, Takamitsu (February 2017). "Trends and Recent Studies on Hybrid Railway Vehicles". Quarterly Report of RTRI. 58 (1): 1–5. doi:10.2219/rtriqr.58.1_1.
  6. ^ 世界初の燃料電池ハイブリッド車両 クモヤE995形 [World-first fuel-cell hybrid rail vehicle KuMoYa E995]. Japan Railfan Magazine. Vol. 48, no. 561. Japan: Koyusha Co., Ltd. January 2008. pp. 53–55.
  7. ^ 「蓄電池駆動電車システム」の開発を進めています [Development of battery-powered train system] (PDF). JR East press release (in Japanese). Japan: East Japan Railway Company. 6 October 2009. Retrieved 30 August 2011.
  8. ^ "JR East developing battery-powered trains". Daily Yomiuri Online. Japan: Yomiuri Shimbun. 8 October 2009. Retrieved 2 July 2013.[dead link‍] Alt URL
  9. ^ ＪＲが改良版蓄電池車両を公開 [JR shows off modified battery vehicle]. Shimotsuke Original Online News (in Japanese). Japan: Shimotsuke Shimbun. 26 August 2011. Archived from the original on 19 March 2012. Retrieved 30 August 2011.
  10. ^ 「スマート電池くん」の実用性を確認する試験を実施します [Validation testing of "Smart Denchi-kun"] (PDF). Press release (in Japanese). Japan: East Japan Railway Company. 7 February 2012. Retrieved 10 February 2012.
  11. ^ 烏山線で充電試験　蓄電池で走る [Recharging trials on Karasuyama Line – Running on batteries]. The Asahi Shimbun Digital (in Japanese). Japan: The Asahi Shimbun Company. 6 March 2012. Archived from the original on 10 March 2012. Retrieved 7 March 2012.
  12. ^ JR東日本　烏山線に新型蓄電池電車導入 [JR East to introduce new battery train on Karasuyama Line]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing Co., Ltd. 6 November 2012. Retrieved 6 November 2012.
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