Fukuoka Subway 3000 series
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The is an
electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a numbe ...
operated by
Fukuoka City Transportation Bureau The serves Fukuoka, Japan. It consists of three subway lines, the Kūkō, or Airport Line, the Hakozaki Line and the Nanakuma Line). The lines are operated by the Fukuoka City Transportation Bureau. Unlike most other public operators in Jap ...
on the
Nanakuma Line The is a subway line, part of the Fukuoka City Subway system in Fukuoka, Japan. It runs from Hashimoto Station in Nishi Ward to Tenjin-Minami Station in Chūō Ward, all within Fukuoka. The line's color on maps is green. Officially, the line ...
in
Fukuoka is the sixth-largest city in Japan, the second-largest port city after Yokohama, and the capital city of Fukuoka Prefecture, Japan. The city is built along the shores of Hakata Bay, and has been a center of international commerce since ancie ...
, Japan.


Design

The exterior was designed by the German industrial designer Alexander Neumeister. Each side of the cars is equipped with three pairs of doors. The bodyside is white with a small light-green line which runs from the front along the top of the windows. This represents the ridge of Mount Abura (located in Jōnan-ku,
Sawara-ku is one of the wards in Fukuoka-shi, Fukuoka-ken, Kyūshū, Japan. Data *Population: 213,178 people (as of January 1, 2012) *Area: 95.88 square kilometers (the largest in Fukuoka-shi) History On April 1, 1889, Fukuoka-shi was founded. The n ...
and Minami-ku, Fukuoka). Muromi River (located in Nishi-ku and Sawara-ku, Fukuoka) is represented by a light blue stripe along the bottom of the train. There is an emergency door at each end of the train. File:Fukuoka-sw Nanakuma-line series3000 2.jpg, Train interior


Equipment

Trainsets consist of four cars, all motored. The trains are equipped with
ATO ATO may refer to: Technology *Abort to Orbit, an intact abort procedure for Space Shuttle launches *Arsenic trioxide a potent chemotherapeutic agent for acute promyelocytic leukemia * ATO fuse * Automatic train operation * Assisted take off Milit ...
and can be operated unmanned, but
driver-only operation One-person operation (OPO), also known as driver-only operation (DOO), one-man operation (OMO), single person train operation (SPTO), or one-person train operation (OPTO), similarly to Driver Controlled Operation, is operation of a train, bus, ...
is used. The trains use
Insulated-gate bipolar transistor An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily used as an electronic switch, which, as it was developed, came to combine high efficiency and fast switching. It consists of four alternating lay ...
(IGBT), a
variable-frequency drive A variable-frequency drive (VFD) is a type of motor drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and, depending on topology, to control associated voltage or current variat ...
system, and LED train destination indicator panels. All cars are air-conditioned.


History

The 3000 series was introduced on 3 February 2005 on the newly opened Nanakuma Line between and . Unlike the 1000 series and 2000 series trains operated on the Kūkō Line and
Hakozaki Line The is a subway line, which forms part of the Fukuoka City Subway system in the city of Fukuoka, Japan. It connects Nakasu-Kawabata in Hakata Ward with Kaizuka in Higashi Ward, all within Fukuoka. The line's color on maps is blue. Official ...
, the 3000 series trains are standard gauge () and use
linear motor A linear motor is an electric motor that has had its stator and rotor "unrolled", thus, instead of producing a torque (rotation), it produces a linear force along its length. However, linear motors are not necessarily straight. Characteristicall ...
propulsion. A further four sets were ordered in 2021. These sets, designated as 3000A series, entered service in February 2022 and feature a blue and green livery and are intended for an increase in service when the Nanakuma Line extension from to opens in March 2023.


References

{{A-Train Electric multiple units of Japan 3000 series Train-related introductions in 2005 Hitachi multiple units 1500 V DC multiple units of Japan