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EV-E301 series
EV-E301 series
	Set V1 in service in October 2023
Manufacturer	J-TREC
Built at	Yokohama
Family name	Accum
Replaced	KiHa 40 series
Constructed	2014
Entered service	15 March 2014
Number built	8 vehicles (4 sets)
Number in service	8 vehicles (4 sets)
Formation	2 cars per trainset
Fleet numbers	V1–V4
Capacity	265 per set
Operators	JR East
Depots	Oyama
Lines served	Karasuyama Line, Tohoku Main Line
Specifications
Car length	20,000 mm (65 ft 7+3⁄8 in)
Width	2,800 mm (9 ft 2+1⁄4 in)
Floor height	1,130 mm (3 ft 8+1⁄2 in)
Doors	3 pairs per side
Maximum speed	65 km/h (40 mph) (service); 100 km/h (62 mph) (design);
Traction system	Mitsubishi IGBT-VVVF
Acceleration	2.0 km/(h⋅s) (1.2 mph/s)
Deceleration	3.6 km/(h⋅s) (2.2 mph/s)
Electric system(s)	1,500 V DC overhead line
Current collector(s)	Pantograph
Bogies	DT79 (motored), TR255D (trailer)
Safety system(s)	ATS-P
Track gauge	1,067 mm (3 ft 6 in)

The EV-E301 series (EV-E301系) is a two-car battery electric multiple unit (BEMU) train type operated by East Japan Railway Company (JR East) on the Karasuyama Line and Tohoku Main Line since 15 March 2014.^[2] The train goes by the nickname "Accum" (Akyumu).^[3]

Overview

Developed from the experimental "Smart Denchi-kun" battery railcar tested on the Karasuyama Line in 2012, the two-car EV-E301 series train operates as an electric multiple unit (EMU) under the 1,500 V DC overhead wire of the Tohoku Main Line between Utsunomiya and Hōshakuji, and on battery power over the 20.4 km (12.7 mi) non-electrified Karasuyama Line. It can also be recharged via its pantographs at a recharging facility specially built at Karasuyama Station.^[3]

The two-car trainsets are equipped with 190 kWh lithium-ion storage batteries,^[3] and the train has a maximum design speed of 100 km/h (62 mph), although it normally runs at up to 65 km/h (40 mph) at service.^[4]

Set V1 running under overhead wires on the Tohoku Line in March 2014
Set V1 being recharged at Karasuyama Station in March 2014

Formation

The two-car trains are formed as shown below, with car 1 at the Utsunomiya end.^[3]

Car No.	1	2
Designation	Mc'	Mc
Type	EV-E300	EV-E301
Weight (t)	37.7	40.2
Passenger capacity (seated/total)	48/133	48/133

The Mc car has two PS38 single-arm pantographs.^[3]

Interior

Internally, the train uses LED lighting throughout.^[3] Seating accommodation consists of longitudinal bench seating.^[3] The train is not equipped with a toilet.^[4]

View of the interior
Priority seating
Equipment room and free space
Driver's cab
LCD display

Bogies

Each car is mounted on a TR255D non-powered trailer bogie at the outer end, and a DT79 motored bogie at the inner end.^[3]

TR233D trailer bogie
DT79 motor bogie

History

The first set, V1, was delivered from the Japan Transport Engineering Company (J-TREC) factory in Yokohama on 21 January 2014.^[5] Test running commenced on 23 January, on the Utsunomiya Line, including running on battery power with the pantographs lowered.^[6] It entered revenue service on the Karasuyama Line from the start of the revised timetable on 15 March 2014.^[2]

In May 2015, the EV-E301 series was awarded the 2015 Laurel Prize, presented annually by the Japan Railfan Club.^[7] A presentation ceremony was held at Karasuyama Station on 26 September 2015.^[8]

A further three two-car EV-E301 series trainsets were delivered to Utsunomiya from the J-TREC factory in Yokohama in February 2017.^[9] These entered service from the start of the revised timetable on 4 March 2017, replacing the remaining diesel multiple-unit trains operating on the Karasuyama Line.^[10]

References

^ Karkosinki, Dariusz. "Electric Multiple Units With Energy Storage – Alternative to Electrification of New Lines in Three City" (PDF). Index Copernicus. Epismo Power Engineering. Retrieved 29 May 2024.
^ ^a ^b "烏山線でEV-E301系が営業運転を開始" [EV-E301 series enters revenue service on Karasuyama Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 16 March 2014. Retrieved 17 March 2014.
^ ^a ^b ^c ^d ^e ^f ^g ^h "EV-E301系蓄電池駆動電車" [EV-E301 series battery EMU]. Japan Railfan Magazine. Vol. 54, no. 638. Japan: Koyusha Co., Ltd. June 2014. pp. 54–59.
^ ^a ^b "烏山線用EV-E301系" [Karasuyama Line EV-E301 series]. Japan Railfan Magazine. Vol. 54, no. 636. Japan: Koyusha Co., Ltd. April 2014. pp. 62–64.
^ "EV-E301系「ACCUM」が甲種輸送される" [EV-E301 series "Accum" delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 January 2014. Retrieved 22 January 2014.
^ "EV-E301系「ACCUM」が宇都宮線で試運転" [EV-E301 series "Accum" test-run on the Utsunomiya Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 24 January 2014. Retrieved 24 January 2014.
^ ブルーリボン賞・ローレル賞選定車両一覧 [Blue Ribbon Award & Laurel Prize Winner List] (in Japanese). Japan: Japan Railfan Club. 21 May 2015. Archived from the original on 23 January 2016. Retrieved 19 December 2016.
^ EV-E301系ローレル賞を受賞 [EV-E301 series receives Laurel Prize]. RM News (in Japanese). Japan: Neko Publishing. 1 October 2015. Retrieved 1 October 2015.
^ EV-E301系が甲種輸送される [EV-E301 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 February 2017. Archived from the original on 22 February 2017. Retrieved 22 February 2017.
^ ＪＲ烏山線のディーゼル車「キハ４０形」「たらこ色」の車両ラストラン [Last run on JR Karasuyama Line for red KiHa 40 diesel cars]. Sankei News (in Japanese). Japan: The Sankei Shimbun & Sankeu Digital. 4 March 2017. Archived from the original on 4 March 2017. Retrieved 4 March 2017.