MTR Adtranz–CAF EMU

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Adtranz-CAF EMU (A-Train)
MTR-Tung-Chung-line.jpg
Tung Chung line train
MTR-Airport-Express-Line.jpg
Airport Express train
Adtranz-CAF interior 2013.jpg
Interior of an A-Train used on the Tung Chung Line
Airport Express train interior 2011.jpg
Interior of the Airport Express
In service21 June 1998-present
ManufacturerAdTranz and Construcciones y Auxiliar de Ferrocarriles (CAF)
Built atBeasain, Gipuzkoa, Basque Country, Spain
Family nameAdTranz (now Bombardier Movia)
Constructed1996-1997
Entered service1998
Refurbishment2008 (AEL)
Number built96 Vehicles (TCL)
88 Vehicles (AEL)
Formation8 cars per trainset (originally 7 cars)
Fleet numbersV601~V801 - V612~V812 (Tung Chung line), E101~K401 - E111~K411 (Airport Express)
Exxx, Fxxx, Gxxx, Hxxx, Jxxx, Kxxx, Vxxx, Wxxx, Xxxx, Yxxx, Zxxx
Operator(s)MTR
Depot(s)Siu Ho Wan
Line(s) served     Tung Chung line
     Airport Express
Specifications
Car body constructionAluminum
Fiberglass(Header)
Car length24,600 mm (80 ft 8.5 in) (E, K, V cars)
22,550 mm (73 ft 11.8 in) (All other cars)
Width3,096 mm (10 ft 1.9 in)
Height3,700 mm (12 ft 1.7 in) (without pantograph) (air conditioners flush with roof)
Platform height1,250 mm (4 ft 1.2 in)
Doors5 per side (TCL stock and AEL K car)
2 per side (AEL stock)
Maximum speed140 km/h (87 mph) (Design)
180 km/h (110 mph) (Test)
135 km/h (84 mph) (Service)
Traction system2 Level GTO-VVVF (AEG)
Traction motorsthree phase AC (AEG)
Power output265 kW or 355 hp per motor
Acceleration1 m/s2 (3.3 ft/s2)
DecelerationService 1.1 m/s2 (3.6 ft/s2),
emergency 1.35 m/s2 (4.4 ft/s2)
Electric system(s)1500 V DC overhead
Current collection methodPantograph
Braking system(s)Pneumatic and Regenerative
Safety system(s)ATO (SACEM) and ATP
Coupling systemBSI (Multi-Function Couplers)
Semi-permanent coupler
Track gauge1,432 mm (4 ft 8 38 in)

The Adtranz-CAF EMU (also known as A-Train) is an Electric Multiple Unit (EMU) train that operates on the MTR rapid transit railway system in Hong Kong. There are two variants, one used on the conventional Tung Chung line, and a more luxurious version used on the Airport Express. The vehicle interiors were designed for MTR by Jones Garrard, while the vehicle exterior and driver's cab interior were designed by Design Triangle, and the First Two Mod Cab with Passenger interior were built by Diara Design.[1] These two variations are built jointly by Adtranz (acquired by Bombardier Transportation in 2001) and Construcciones y Auxiliar de Ferrocarriles (CAF)[2] and manufactured in Spain in 1996-7.

Tung Chung line stock[edit]

Trains of the Tung Chung line were made up of 7 cars up until 2003, and were increased to 8 cars with W7XX car in 2003 when the West Rail line and Nam Cheong station was opened. The total number of cars ordered was 96.

Tung Chung line cars
car type driver cab motor pantograph auto-
coupler
length
(mm)
seat standing
capacity
wheelchair
space
amount
V car 24600 42 252 2 24
W car 22500 48 252 24
X car (trailer) 22500 48 252 24
Y car 22500 48 252 12
Z car 22500 48 252 12

The configuration of a TCL A-Stock train is (Westbound) V-W-X-Y-W-X-Z-V (Eastbound). The maximum train speed is 140 km/h (87 mph) but with the max speed 135 km/h (84 mph) on service currently, maximum acceleration is 1 m/s2 (3.3 ft/s2) (3.6 km/(h⋅s) or 2.24 mph/s). Maximum service brake rate is 1.1 m/s2 (3.6 ft/s2) (3.96 km/(h⋅s) or 2.461 mph/s), and emergency brake deceleration is 1.35 m/s2 (4.4 ft/s2) (4.86 km/(h⋅s) or 3.020 mph/s). Traction system of TCL trains is VVVF Inverter based on gate turn off thyristor (GTO thyristor) technology.

Airport Express stock[edit]

Trains of Airport Express (AEL) were made up of 7 cars up until 2005. The 88 cars were built and assembled by CAF in Spain while Adtranz contributed control and traction equipment. To cope with the extra traffic demand derived from the opening of AsiaWorld-Expo station, an additional 'F2XX' car was added to each train to form a total of 8 cars. If future demand rises, trains on the AEL are capable of running with 10 cars.[3]

Airport Express cars
car type driver cab motor pantograph auto-
coupler
length
(mm)
seat standing
capacity
amount
E car 24600 60 84 11
F car 22500 64 84 22
G car (trailer) 22500 64 84 22
H car 22500 64 84 11
J car 22500 64 84 11
K car (van) 24600 13 luggage containers 11

Configuration of an AEL A-train is (Westbound) E-F-G-H-F-G-J-K (Eastbound). 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 passenger car is mounted with 2 LCD monitors at each end for broadcasting entertainment or tourist television programmes and train announcements, such as next-station broadcasts. Maximum train speed is 140 km/h (87 mph), but with the max speed 135 km/h (84 mph) on service currently, maximum acceleration is 1 m/s2 (3.3 ft/s2) (3.6 km/(h⋅s) or 2.24 mph/s), maximum service deceleration is 1.1 m/s2 (3.61 ft/s2) (3.96 km/(h⋅s) or 2.46 mph/s)), and emergency brake can deliver deceleration of 1.35 m/s2 (4.43 ft/s2) (4.86 km/(h⋅s) or 3.02 mph/s)).[4] Traction of AEL trains are VVVF Inverter based on GTO Thyrsitor technology.

References[edit]

  1. ^ http://articles.janes.com/articles/Janes-World-Railways/Design-Triangle-MANUFACTURERS-AND-SERVICES--CONSULTANCY-SERVICES-United-Kingdom.html
  2. ^ http://www.caf.es/ingles/productos/proyecto.php?cod=3&id=362&sec=desc[permanent dead link]
  3. ^ Crighton, Gordon; Budge-Reid, Alistair (November 1998). "Hong Kong International Airport railway". Proceedings of the Institution of Civil Engineers. 126 (6): 35–54. ISSN 0965-089X.
  4. ^ Technical details on CAF website (www.caf.net) Archived 2011-09-28 at the Wayback Machine