MTR A-Stock EMU


MTR A-Stock EMU

Infobox Train
background =
name = A-Stock



imagesize = 250px
caption = Airport Express Line train
interior


interiorcaption = Interior of a HK-MTR lines|Tung Chung A Stock.
InService =

Manufacturer =
Factory =
Family =
Built = 96 (TCL), 88 (AEL)
Refurbishment =
Replaced =

Formation =
Designation =
Operator = MTR
Depots =
LinesServed = HK-MTR lines|Tung Chung
HK-MTR lines|Airport Express

yearconstruction =
yearservice =
yearscrapped =
numberconstruction =
numberbuilt =
numberservice =
numberscrapped =

CarBody =
CarLength =
CarWidth =
CarHeight =
floorheight =
platformheight =
entrylevelorstep =
art-sections =
doors =

MaxSpeed = 135 km/h (84.375 mph)
Weight =
Capacity =
Acceleration = 1 m/s²
Deceleration = Service 1.1 m/s²,
emergency 1.35 m/s².
Traction = AdTranz IGBT inverters and three phase AC Traction motors
Engine =
Power = 265 kW or 355 hp per motor
Transmission =
Auxiliaries =
Power-supply =
Gauge = RailGauge|1432
Voltage = 1500 V DC overhead
Brakes =
SafetySystem = ATC and ATP

The A-Stock is an Electric Multiple Unit that operates on the MTR rapid transit railway system in Hong Kong. There are two variants, one used on the conventional HK-MTR lines|Tung Chung, and a more luxurious version used on the HK-MTR lines|Airport Express. These two variations are built jointly by Adtranz (acquired by Bombardier Transportation in 2001) and Construcciones y Auxiliar de Ferrocarriles and manufactured in Spain.

Tung Chung stock

Trains of the HK-MTR lines|Tung Chung are made up of 7 cars up until 2003, and was increased to 8 cars with W car in 2003 when the West Rail Line was opened. TCL trains are capable of running with 8 cars in total. The total amount of cars ordered was 96.

The configuration of a TCL A Stock train is (Up track direction) V-W-X-Y-W-X-Z-V. Maximum train speed of is 135 km/h but with the Max. speed 130km/h on service currently, maximum acceleration is 1 m/s² (3.6 km/h/s, or 2.25 MPHPS), maximum service brake rate is 1.1 m/s² (3.96 km/h/s, or 2.475 MPHPS), emergency brake has deceleration of 1.35 m/s² (4.86 km/h/s, or 3.04 MPHPS). Traction system of TCL trains is VVVF Inverter based on gate turn off thyristor (GTO thyristor) technology.

Airport Express stock

Trains of HK-MTR lines|Airport Express (AEL) are made up of 7 cars up until 2003 although they can be run with 10 cars per train. The 88 cars are Bombardier Transportation's Movia 456 Metro. To cope with extra traffic demand derived from the opening of AsiaWorld-Expo station, one more 'F' car had been added to each train to form a total of 8 cars.

Configuration of an AEL train is E-F-G-H-F-G-J-K. Except for K cars that have 5 doors on each side, all other cars in AEL have 2 doors on each side and 1 wheelchair space. Each seat is fitted with an on-board info-entertainment screen.

Maximum speed of AEL trains is 135 km/h, maximum acceleration is 1 m/s² (3.6 km/h/s, or 2.25 MPHPS), maximum service deceleration is 1.1 m/s² (3.96 km/h/s, or 2.475 MPHPS), emergency brake can deliver deceleration of 1.35 m/s² (4.86 km/h/s, or 3.04 MPHPS). Traction of AEL trains are VVVF Inverter based on GTO Thyrsitor technology.

References


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