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305 series

305 series
305 series set W5 on the Chikuhi Line in January 2019
In service2015–present
ManufacturerHitachi Rail
Built atKudamatsu, Yamaguchi
Family nameA-train
Replaced103-1500 series
Constructed2014–2015
Entered service5 February 2015
Number built36 vehicles (6 sets)
Number in service36 vehicles (6 sets)
Formation6 cars per trainset
Fleet numbersW1–W6
Capacity851
OperatorsLogo of the Kyushu Railway Company (JR Kyushu). JR Kyushu
DepotsKaratsu
Lines served
Specifications
Car body constructionAluminium alloy
Car length
  • 20,250 mm (66 ft 5 in) (end cars)
  • 20,000 mm (65 ft 7 in) (intermediate cars)
Width2,800 mm (9 ft 2 in)
Height4,050 mm (13 ft 3 in)
Floor height1,125 mm (3 ft 8.3 in)
(1,140 mm (3 ft 9 in) for car 1)
Doors4 pairs per side
Maximum speed
  • 110 km/h (68 mph) (design)
  • 85 km/h (53 mph) (service)
Traction systemToshiba PC406K IGBT–VVVF
Traction motors16 × Toshiba MT403K 150 kW (201 hp) permanent-magnet synchronous motor
Power output2.4 MW (3,218 hp)
Electric system(s)1,500 V DC Overhead catenary
Current collector(s)Pantograph
Safety system(s)ATS-SK, ATC, ATO
Track gauge1,067 mm (3 ft 6 in)

The 305 series (305系) is a DC electric multiple unit (EMU) commuter train type operated by Kyushu Railway Company (JR Kyushu) on Chikuhi Line and Fukuoka Subway Kuko Line through-running services in Kyushu, Japan, since 5 February 2015.[1] The entire fleet of 6 six-car sets (36 vehicles) was scheduled to be in service by the start of the 14 March 2015 timetable revision.[2]

Design

An LED destination indicator on the side

The fleet of 36 vehicles (6 six-car sets) will be built by Hitachi at a cost of approximately 5.7 billion yen, with styling overseen by industrial designer Eiji Mitooka.[3] The new trains are designed to offer improved universal accessibility.[4] Fully enclosed permanent-magnet synchronous motors (PMSM) are used to reduce environmental noise and reduce power consumption by approximately 57% compared with existing 103 series trains.[2]

Operations

The 305 series trains are used on through services between Nishi-Karatsu the Chikuhi Line and Fukuokakūkō on the Fukuoka Subway Kuko Line, replacing older 103-1500 series sets.[1][3]

Formations

The 305 series trains are formed as six-car sets as shown below, numbered W1 to W6, consisting of four motored intermediate cars and two non-powered driving trailer cars.[5] Car 1 is at the Nishi-Karatsu end.[5]

Car No. 1 2 3 4 5 6
Designation Tc M Mp M1 M1p T'c
Numbering KuHa 305 MoHa 305-0 MoHa 304-0 MoHa 305-100 MoHa 304-100 KuHa 304
Weight (t) 29.5 33.0 30.8 33.0 30.7 27.3
Capacity (total/seated) 128/42 147/51 147/51 147/51 147/51 135/45

Cars 3 and 5 each have two PS402K single-arm pantographs.[5]

Interior

Passenger accommodation consists of longitudinal bench seating with space for wheelchairs or strollers in each car.[4] Each row of seats has a different seat cover design.[2] Large liquid-crystal display screens are used for providing passenger information, and LED lighting is used throughout.[4] Car 1 features wooden flooring of the same design as that used in JR Kyushu's luxury cruising train Seven Stars in Kyushu.[2] Car 1 also has a universal access toilet.[1] The side doors are equipped with passenger-operated open/close buttons, and these are normally available for use between Misakigaoka and Nishi-Karatsu stations on the Chikuhi Line.[2]

  • The interior of KuHa 305-3 (car 1 of set W3) with wooden flooring, February 2015
    The interior of KuHa 305-3 (car 1 of set W3) with wooden flooring, February 2015
  • The interior of MoHa 305-3 (car 2 of set W3) with conventional flooring, February 2015
    The interior of MoHa 305-3 (car 2 of set W3) with conventional flooring, February 2015

History

The first set, numbered W1, was delivered from the manufacturer Hitachi in Kudamatsu, Yamaguchi to JR Kyushu's Kokura Depot in November 2014,[6] and moved to Karatsu Depot in December 2014.[7]

A special public preview run was held on 31 January 2015, ahead of the formal entry into service on 5 February.[8]

Fleet details

As of 1 October 2015, the fleet consists of six sets as follows.[9]

Set No. Date delivered
W1 15 December 2014
W2 18 December 2014
W3 9 February 2015
W4 15 February 2015
W5 25 February 2015
W6 3 March 2015

References

  1. ^ a b c 305系通勤形直流電車 [305 series DC commuter EMU]. Japan Railfan Magazine (in Japanese). 55 (647): 75. March 2015.
  2. ^ a b c d e JR九州 新型電車305系が筑肥線で運転開始 [New JR Kyushu 305 series trains enter service on Chikuhi Line]. Tetsudō Daiya Jōhō Magazine (in Japanese). 44 (371): 70–71. March 2015.
  3. ^ a b 新型車両・３０５系、ＪＲ筑肥線に導入へ [New 305 series trains to be introduced on JR Chikuhi Line]. Yomiuri Online (in Japanese). Japan: The Yomiuri Shimbun. 1 August 2014. Archived from the original on 6 August 2014. Retrieved 1 August 2014.
  4. ^ a b c "JR九州 筑肥線に305系通勤型直流電車投入" [JR Kyushu to introduce 305 series DC commuter trains on Chikuhi Line]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing. 1 August 2014. Archived from the original on 15 July 2018. Retrieved 1 August 2014.
  5. ^ a b c Matsunaga (June 2015). 305系通勤形直流電車 [305 series DC commuter EMU]. Japan Railfan Magazine (in Japanese). 55 (650): 58–61.
  6. ^ 305系が甲種輸送される [305 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 25 November 2014. Retrieved 5 February 2015.
  7. ^ 305系W1編成が唐津へ [305 series set W1 moved to Karatsu]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 3 December 2014. Retrieved 3 December 2014.
  8. ^ JR九州305系、筑肥線新型車両が筑前前原～唐津間走行 - 運転開始は2/5予定 [New JR Kyushu 305 series Chikuhi Line train runs between Chikuzen-Maebaru and Karatsu - Service entry from 5 February]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 31 January 2015. Retrieved 5 February 2015.
  9. ^ JR電車編成表 2016冬 [JR EMU Formations - Winter 2016] (in Japanese). Japan: Kotsu Shimbunsha. 18 November 2015. p. 222. ISBN 978-4-330-62315-3.
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