Keiō 7000 series

Keiō 7000 series

Infobox EMU
name = Keiō 7000 series



imagesize = 240px
background =
caption = 8-car 7000 series set
InService = 1984 - Present
Manufacturer =
Family =
Built = 190
Refurbishment =
Formation = 2/4/6/8/10 cars per trainset
Operator = Keio Corporation
Depots =
LinesServed =
CarBody = Stainless steel
CarLength = 20 m
CarWidth =
CarHeight =
MaxSpeed = 110 km/h
Weight =
Capacity =
Acceleration = 2.5 km/h/s
Deceleration = 4.0 km/h/s (4.5 km/h/s for emergency brake)
Traction =
Power =
Gauge = 1,372 mm
Voltage = 1,500 V DC overhead
Brakes =

The 7000 series (京王電鉄7000系電車 "Keiō 7000 kei densha") is an electric multiple unit (EMU) train which operates on the private railway owned by the Keio Corporation.

History

The 7000 series began service in 1984. At the time, the 6000 series was also built. The 7000 series was built for local train service, and the first sets were five-car sets. The running performance of the new series was nearly the same as the 6000 series. One hundred ninety 7000 series cars were built until 1996.

In 2001, the Keio Corporation changed its policy, and the 7000 series began to be used on Special Express, Semi Special Express, Express and Rapid Earnest trains. In 2004, changes to the control system for the train were undertaken.

Technical details

*Control system
**Original and 7701F~7703F: Chopper
**Renewaled (Beside 7701F~7703F): IGBT-VVVF
*MT ratio
**6M4T (Chopper), 5M5T (VVVF)
**5M3T (Chopper), 4M4T (VVVF)
**4M2T (Chopper), 3M3T (VVVF)
**2M2T (Chopper)
**1M1T (Chopper)
*Motor output: 150 kW
*Drive mechanism: Parallel cardan
*Headlights: Sealed beam
*Destination indicators: Curtain
*Passenger information displays
**Original: None
**Renewaled (Beside 7721F): 3-color LED (4 per car)
*Seating arrangement (intermediate cars): 4-7-7-7-4
*Car length: 20 m
*Doors per side: 4
*Seats: All longseat

Body

The body is stainless steel. Early sets used a colgate-body style. Sets which were made after 1987 had a beat-body style. (Some colgate-body style cars were made after 1987; these cars were added as middle cars to sets made early in production.) The sides were not drawn. Fronts of early sets were the same color as the sides. Fronts design are of two types, but the difference is minor.

Driver's cab

The driver's cab contains a "T"-shaped, one-handle master-controller system. The speedometer is analog, providing information up to 140 km/h.
*Acceleration: 4 notch
*Deceleration: 7 notch + emergency

Lines which used on

Used on Keio Corporation Line.

*On daytime, 10-car sets and 6+4-car sets are used as Special Express and Semi Special Express trains.
*Eight-car sets and 6+2-car sets are used mainly as Local or Rapid trains.
*The 8+2-car set is used only at rush time.


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