The and is a former DC electric multiple unit (EMU) commuter train types operated by

Sagami Railway The , or , is a private railway company operating three lines in Kanagawa Prefecture, Japan. It is a wholly owned subsidiary of holding company Sotetsu Holdings, Inc. Sotetsu Holdings is listed on the Tokyo Stock Exchange; 6.58% of it is owned ...

(Sotetsu) in

Kanagawa Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-densest at . Its geographic area of makes it fifth-smallest. Kanag ...

, Japan. They were designed to operate as eight-car or ten-car sets.

7000 series

History

Built from 1975 by Hitachi in

Yamaguchi Prefecture is a prefecture of Japan located in the Chūgoku region of Honshu. Yamaguchi Prefecture has a population of 1,377,631 (1 February 2018) and has a geographic area of 6,112 km2 (2,359 sq mi). Yamaguchi Prefecture borders Shimane Prefecture t ...

. A total of 80 cars were built, and withdrawn by 2019. Four cars were converted in 2006 and numbered 701–704, and used as measurement train as well as shunter.

Body

They had lightweight aluminum bodies, like the 5000 series and 2100 series EMUs. Initially, 7700 (Tc), 7500 (Tc) and 7100 (M) cars were built. From 1983, 7000 (Mc) and 7600(T) cars were added to form 10-car and 8-car sets.

New 7000 series

History

From 1986, the front-end design of the 7000 series was changed. To differentiate between the original 7000-series cars, those with the new design are referred to as the . Some EMUs in this series use

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 va ...

motors.

Operations

A total of 60 cars were built and initially operated only as ten-car sets, but some fleets were shortened to 8-car from 2006. All fleets have been replaced with 20000 series by 2020.

Refurbishment

The 7000 series and New 7000 series have been refurbished, since 2008, with the following changes. * Revised livery (New 7000 series only) * New electric horn * Air conditioners changed to new type using environmentally friendly

freon Freon ( ) is a registered trademark of the Chemours Company and generic descriptor for a number of halocarbon products. They are stable, nonflammable, low toxicity gases or liquids which have generally been used as refrigerants and as aerosol prope ...

* Single-arm pantographs in place of original lozenge pantographs * Improved interior fluorescent lighting.

Safety systems

The company plans to build a new line linking to East Japan Railway Company (JR East), and so Sotetsu began to change the original safety system to the standard JR type.

Formations

Key

7000 series

10-car sets

8-car sets

New 7000 series

VFD control set

External links

Sagami Railway - Railcar image gallery
{{DEFAULTSORT:Sotetsu 7000 Series Electric multiple units of Japan

7000 series 7000 series may refer to: Japanese trains * Chichibu Railway 7000 series electric multiple unit (EMU) * Echizen Railway 7000 series EMU * Hankyu 7000 series EMU * Hokushin Kyuko Electric Railway 7000 series EMU operating for the Kobe Municipal Su ...