Keisei 3100 series

The Keisei 3100 series (京成3100形) is an electric multiple unit (EMU) train type operated by the private railway operator Keisei Electric Railway on Narita Sky Access Line services. The top speed of Keisei 3100 series is 120 km/h (75 mph).[3]

Keisei 3100 series
Set 3151 in July 2021
ManufacturerJ-TREC, Nippon Sharyo
Constructed2019–
Entered service26 October 2019
Number built56 vehicles (7 sets)
Number in service56 vehicles (7 sets)
Formation8 cars per trainset
Fleet numbers3151–
Operator(s)Keisei Electric Railway
Line(s) served
Specifications
Car body constructionStainless steel
Car length18 m (59 ft 1 in)
Width2,845 mm (9 ft 4.0 in)
Height4.05 m (13 ft 3 in)
Doors3 pairs per side
Maximum speed120 km/h (74.6 mph)
Traction systemToyo Denki RG6045A-M SiC hybrid IGBT–VVVF[2]
Traction motors24 × Toyo Denki TDK-6071-A 140 kW (188 hp) 3-phase AC induction motor
Power output3.36 MW (4,506 hp)
Acceleration0.97 m/s2 (2.2 mph/s)
Deceleration
  • 1.1 m/s2 (2.5 mph/s) (service)
  • 1.3 m/s2 (2.9 mph/s) (emergency)
Electric system(s)1,500 V DC overhead catenary
Current collector(s)Pantograph
UIC classificationBo'Bo' + Bo'Bo' + 2'2' + Bo'Bo' + Bo'Bo' + 2'2' + Bo'Bo' + Bo'Bo'
BogiesFS-583
Safety system(s)C-ATS
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

Formation

As of 13 November 2021, the fleet consists of six[4] 8-car sets which are formed as follows. Car 1 is at the Narita Airport end.[5]

 
← Narita Airport
Keisei Ueno →
 
Car No.12345678
Designation M2cM1TM2M1'TM1M2c
Weight (t) 33.634.228.031.533.828.034.233.6
Capacity (total) 122133122
  • Car 5 is equipped with one pantograph. Cars 2 and 7 are equipped with two pantographs each.[5]

Interior

The interior includes passenger information displays, security cameras,[6] and wheelchair spaces.[7] Seating accommodation consists of longitudinal seating throughout and includes foldable seats, in order to provide more space for luggage.[5] In addition, the seat backs are approximately 170 millimetres (6.7 in) higher than those of the 3000 series.[5]

  • Interior view
    Interior view
  • Priority seating with wheelchair/stroller space
    Priority seating with wheelchair/stroller space
  • Partially foldable seat
    Partially foldable seat
  • Partially foldable seat, up close. The vacant space left by the foldable portion is designated for luggage.
    Partially foldable seat, up close. The vacant space left by the foldable portion is designated for luggage.
  • LCD passenger information display
    LCD passenger information display
  • Plasmacluster generator
    Plasmacluster generator

History

Two eight-car sets were built in 2019.[5] The trains entered service on 26 October 2019.[8] Delivery of a third set, set 3153, began on 7 July 2020.[9]

On 29 September 2021, it was announced by Keisei that new sets 3155 and 3156 were expected to enter service on 12 November and 30 September 2021, respectively. These two sets differ from preceding sets as they feature ladders at the end of cars 1 and 8 to allow for quick evacuation in the event of an emergency.[4]

The 80000 series trains of Shin-Keisei Electric Railway are based on the 3100 series.[10][11]

In early 2023, Keisei announced that an additional set would be purchased as part of its 2023 capital investment plan.[12] This set entered service on 18 June 2023.[13]

References
  1. "京成3100形が京急久里浜へ" [Keisei 3100 series train for Keikyu Kurihama]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 October 2019. Retrieved 27 October 2021.
  2. とれいん (in Japanese) (February 2020 ed.). Japan: エリエイ. 2020. p. 9. ASIN B082JNN7CB.
  3. "Keisei 3100 series — Trainspo". trainspo.com. Retrieved 22 November 2022.
  4. "京成3100形3156編成，9月30日から営業運転を開始" [Keisei 3100 series set 3156 to start commercial operation from 30 September]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 30 September 2021. Retrieved 13 November 2021.
  5. Ueshin, Daisuke (14 October 2019). "京成電鉄3100形、新型車両の概要は - 利用者の声受け座席に工夫も" [Keisei Electric Railway 3100 series, an overview of the new vehicle]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 16 October 2019. Retrieved 16 October 2019.
  6. "2019年秋デビュー、15年ぶりの新形式車両「3100形」を導入——京成電鉄発表" [2019 autumn debut, introduction of new model "3100 series" for the first time in 15 years - Keisei Electric Railway announced]. tetsudo-ch.com (in Japanese). EXPRESS Co., Ltd. 11 April 2019. Archived from the original on 23 September 2019. Retrieved 16 October 2019.
  7. "京成電鉄，3100形を報道陣に公開". Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 10 October 2019. Archived from the original on 10 October 2019. Retrieved 16 October 2019.
  8. "京成3100形が営業運転を開始" [Keisei 3100 series starts commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 27 October 2019. Archived from the original on 29 October 2019. Retrieved 29 October 2019.
  9. "京成3100形3153編成が甲種輸送される". Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 July 2020. Archived from the original on 9 July 2020. Retrieved 9 July 2020.
  10. "京成16年ぶり新型車 成田スカイアクセス線・訪日客、バリアフリーに対応 犯罪抑止へ防犯カメラも" [Keisei's new model for the first time in 16 years, Narita Sky Access Line ・ Visitors to Japan, also security cameras, barrier-free]. chibanippo.co.jp (in Japanese). CHIBA NIPPO CO.,LTD. 13 April 2019. Archived from the original on 25 July 2019. Retrieved 14 October 2019.
  11. とれいん [Train] (in Japanese) (February 2020 ed.). Japan: エリエイ. 2020. p. 9. ASIN B082JNN7CB.
  12. "京成，2023年度の鉄道事業設備投資計画を発表 〜新形式「3200形」を設計へ〜" [Keisei Railway Announces 2023 Capital Investment Plan, New 3200 Series Rolling Stock]. Japan Railfan Magazine Online (in Japanese). 22 May 2023. Archived from the original on 19 May 2023. Retrieved 22 May 2023.
  13. "京成3100形3157編成，6月18日から営業運転を開始" [Keisei 3100 Series set 3157 to enter service on 18 June 2023]. Japan Railfan Magazine Online (in Japanese). 17 June 2023. Archived from the original on 17 June 2023. Retrieved 20 June 2023.
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