Shinkansen E5

Shinkansen E5
MaedaAkihiko · CC BY-SA 4.0 · source
Name	E5 series
Manufacturer	Kawasaki Heavy Industries; Hitachi; Mitsubishi Electric
Yearservice	2011
Lines	Tohoku Shinkansen; Hokkaido Shinkansen; Akita Shinkansen; Yamagata Shinkansen
Formation	10 cars (standard)
Maxspeed	320 km/h (service)
Gauge	1,435 mm

Shinkansen E5 The E5 series is a Japanese high-speed train introduced for East Japan Railway Company services on the Tohoku Shinkansen and extended to the Hokkaido Shinkansen. Developed by a consortium including Kawasaki Heavy Industries, Hitachi, and Mitsubishi Electric, the type entered revenue service in 2011 and became associated with the Hayabusa (train) limited express branding. Its development involved coordination with national bodies such as the Ministry of Land, Infrastructure, Transport and Tourism and regional operators including Hokkaido Railway Company during the Hokkaido extension.

Design and Development

Design of the E5 drew on prior projects like the Shinkansen 500 series, Shinkansen 700 series, and Shinkansen N700 series, while incorporating aerodynamic research from the National Institute for Land and Infrastructure Management and wind-tunnel testing at facilities operated by Japan International Transport Institute. Exterior styling was influenced by designers who previously worked on JR East E3 series rehab programs and consultations with the Tokyo Metropolitan Government for station interface. The long, 15-meter nose profile was developed to mitigate tunnel micro-pressure waves identified in studies from the Hokkaido Development Bureau and the Tohoku Bureau of Economy, Trade and Industry. Interior layout drew on experience from E257 series and E657 series EMUs, with seating concepts informed by customer research conducted in partnership with JR East Customer Solutions and service planners from Sendai City and Sapporo City.

Technical Specifications

The E5 employs distributed traction with motors and inverters supplied by Mitsubishi Electric and Toshiba, while bogies were produced by Kawasaki Heavy Industries Rolling Stock Company and Hitachi Rail. Traction control uses silicon carbide (SiC) power electronics following developments at Tohoku University and industrial partners including Fuji Electric. The carbody uses aluminium alloy technology refined in collaboration with Nippon Steel and Kobe Steel. Suspension and active tilting research referenced experimental programs at Japan Railway Technical Research Institute and prototypes like the Shinkansen experimental train 955-1 (STAR21). Onboard systems integrate communications standards from Japan Communications Association and train control interoperability with ATC-2 and signalling interfaces coordinated with Japan Railways Group operations centers in Tokyo and Sapporo.

Operations and Services

E5 sets operate primarily on Tohoku Shinkansen Hayabusa services connecting Tokyo Station with Shin-Aomori Station, and through services on the Hokkaido Shinkansen to Shin-Hakodate-Hokuto Station. They have been used for supplementary services including through-running with Akita Shinkansen Komachi sets and coupling/decoupling operations coordinated at Sendai Station and Morioka Station. Timetabling and crew training referenced manuals from JR East Training Center and dispatcher protocols aligned with standards at Tokyo Metropolitan Police Department for emergency response coordination. During major events such as the Tohoku earthquake and tsunami recovery operations, E5s were redeployed in strategic logistics planning with Japanese Self-Defense Forces liaison officers and regional governments including Iwate Prefecture and Miyagi Prefecture.

Safety and Performance

Safety systems on the E5 include redundant braking supplied by suppliers like Nisshinbo Holdings and Sumitomo Electric, earthquake detection integration with networks maintained by the Japan Meteorological Agency, and crashworthiness standards evaluated against criteria from the Ministry of Land, Infrastructure, Transport and Tourism. Performance testing included 320 km/h service trials on test sections shared with earlier types including the 300 Series and E2 Series, with endurance and vibration assessments conducted alongside academic partners at University of Tokyo and Tohoku University. Noise reduction and environmental impact assessments referenced studies by the Environment Ministry and mitigation measures coordinated with local authorities in Aomori Prefecture and Hokkaido Prefecture.

Variants and Modifications

Variants include mixed formations used for compatibility trials with E3 Series Komachi sets and modified units equipped with additional electrical systems for cold-climate operation in conjunction with Hokkaido Railway Company engineering teams. Refurbishment programs have involved corporate partners such as JR East Techno System Corporation and rolling-stock overhauls at depots in Sendai and Niigata, with interior upgrades inspired by retrofits performed on the E257 series and accessibility improvements aligned with standards from the Barrier-Free Act coordinating agencies.

Cultural Impact and Branding

The E5 became a cultural icon through branding tied to the Hayabusa (train) name and promotional campaigns with media organizations such as NHK and collaborations with municipal tourism boards including Aomori Prefecture and Hokkaido Prefecture. Model manufacturers like Tomytec and Kato Works produced scale replicas, while appearances in popular culture included features on programs produced by TV Asahi and travel publications like Japan Railfan Magazine. Public art projects at stations such as Tokyo Station and Shin-Hakodate-Hokuto Station used E5 motifs alongside tourism initiatives led by Japan National Tourism Organization to promote regional linkages between Tohoku and Hokkaido.

Category:Shinkansen Category:East Japan Railway Company rolling stock