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| Sotetsu 8000 series | |
|---|---|
 Set 8711 in revised livery in October 2020 | |
| In service | 1990–Present |
| Manufacturer | Hitachi |
| Entered service | 21 March 1990 |
| Refurbished | 2020– |
| Scrapped | 2020– |
| Number built | 130 vehicles (13 sets) |
| Number in service | 70 vehicles (7 sets) |
| Number scrapped | 60 vehicles (6 sets) |
| Formation | 10 cars per set |
| Fleet numbers | 8701–8713 |
| Operators | Sotetsu |
| Depots | Kashiwadai Depot |
| Specifications | |
| Car body construction | Aluminium |
| Car length | 20,000 mm (65 ft 7 in) |
| Width | 2,930 mm (9 ft 7 in) |
| Doors | 4 pairs per side |
| Maximum speed | 110 km/h (68 mph) |
| Traction system | Sets 8701-8707:GTO-VVVF (Hitachi) Sets 8708-8713:IGBT-VVVF (Hitachi) |
| Transmission | 49:10 |
| Acceleration | 3.0 km/(h⋅s) (1.9 mph/s) |
| Electric system(s) | 1,500 V DC |
| Bogies | Hitachi KH series |
| Braking system(s) | Brake by wire |
| Safety system(s) | ATS-P Dead man's switch |
| Track gauge | 1,067 mm |
TheSotetsu 8000 series (相鉄8000系) is a DCelectric multiple unit (EMU) train type operated by theprivate railway operatorSagami Railway (Sotetsu) inKanagawa Prefecture, Japan, since 1990.[1]
The trains use a lightweight aluminium body.
Some cars have transverse seating.
The motor system is based on theNew 7000 series.
This series adoptedvariable-frequency drive motors named "Hitachi HSV-03"; the motor power is 150 kW and installed as 4 motors per car. Power cars are two cars as one pair. The 8100 car establishes the VFD-controller, and the 8200 car establishes acompressor, etc.
The brake system was finished with Hitachi HSC and adoptedbrake by wire withregenerative brake.
Bogies are based on the New 7000 series, too. The name is "KH132B" (for power cars) and "KH135B" (for others).
The safety system uses adead man's switch andautomatic train stop.
As of 1 April 2015[update], the fleet consists of 12 ten-car sets, formed as follows.[2]
| ←Yokohama StationEbina Station/Shonandai Station→ | ||||||||||
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Numbering | 8700 (Tc2) | 8100 (M1) | 8200 (M2) | 8600 (T2) | 8100 (Ms1) ★ | 8200 (M2) | 8600 (T1) | 8100 (Ms1) ★ | 8200 (M2) | 8500 (Tc1) |
| Equipment | CONT, PT | MG, CP, PT | CONT, PT | MG, CP, PT | CONT, PT | MG, CP, PT | ||||
| ←YokohamaEbina/Shonandai→ | ||||||||||
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Numbering | 8700 (Tc2) | 8100 (M1) | 8200 (M2) | 8600 (T2) | 8100 (Ms1) ★ | 8200 (M2) | 8600 (T1) | 8100 (Ms1) ★ | 8200 (M2) | 8500 (Tc1) |
| Equipment | CONT, PT | CP, PT | SIV | CONT, PT | CP, PT | SIV | CONT, PT | CP, PT | ||
Key:
A total of 130 cars were built between 1990 and 2000 byHitachi inYamaguchi Prefecture. They replaced many of the aging6000 series and new 6000 series sets.
Set 8707 was involved in a collision with a track maintenance vehicle in March 2004, atShonandai Station, and was scrapped in 2006. The set was replaced by a newerSotetsu 10000 series set. Set 8702 was withdrawn from service on 13 March 2020 for aging reasons and due to the introduction of newly built set 12106 and was scrapped in April of the same year.
