- MTR A-Stock EMU
Built = 96 (TCL), 88 (AEL)
Operator = MTR
LinesServed = HK-MTR lines|Tung Chung
HK-MTR lines|Airport Express
MaxSpeed = 135 km/h (84.375 mph)
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
Power = 265 kW or 355 hp per motor
Gauge = RailGauge|1432
Voltage = 1500 V DC overhead
SafetySystem = ATC and ATP
The A-Stock is an
Electric Multiple Unitthat operates on the MTR rapid transit railwaysystem 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 BombardierTransportation in 2001) and Construcciones y Auxiliar de Ferrocarrilesand 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
accelerationis 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 decelerationof 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
accelerationis 1 m/s² (3.6 km/h/s, or 2.25 MPHPS), maximum service decelerationis 1.1 m/s² (3.96 km/h/s, or 2.475 MPHPS), emergency brake can deliver decelerationof 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.
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