Difference between revisions of "Alstom Metropolis 751A"

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| colspan="2" style="text-align:center" | <big><strong>Alstom Metropolis C751A<br>阿尔斯通 C751A</strong></big>
| colspan="2" style="text-align:center" | <big><strong>Alstom Metropolis C751A<br>阿尔斯通 C751A</strong></big>
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| colspan="2"| [[Image:C751A front.jpg|center|300px]] Front of an Alstom Metropolis C751A at Sengkang Depot.
| colspan="2" style="text-align:center"|[[Image:C751A front.jpg|center|300px]] A C751A train in Sengkang Depot.
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The '''Alstom Metropolis C751A''' are the first generation of communication-based train control (CBTC) rolling stock that has been in use in Singapore’s [[Mass Rapid Transit (Singapore)|Mass Rapid Transit]] (MRT) lines since 2003. Alstom was contracted in 1997 and 1998 (as '''C751A''') by the [[Land Transport Authority]] (LTA) in Singapore to supply for its [[North East Line]] in 2003.
'''Alstom Metropolis C751A''' is the first generation of communication-based train control (CBTC) rolling stock to be used in Singapore’s [[Mass Rapid Transit (Singapore)|Mass Rapid Transit]] (MRT) lines.


The automated system version, previously known as "moving block systems", CBTC systems do not require traditional "fixed-block track circuits" for determining train position. Instead, they rely on "continuous two-way digital communication" between each controlled train and a wayside control center, which may control an area of a railroad line, a complete line, or a group of lines. Recent studies consistently show that CBTC systems reduce life-cycle costs for the overall rail property and enhance operational flexibility and control.
==History==
In 1997 and 1998, the Land Transport Authority (LTA) awarded the contract for the supply of [[North East Line]] trains to Alstom.


A development in Singapore's MRT history, the six-car trains on the North East Line are powered by overhead catenary, in contrast to the train cars on all the other operating lines prior to this, which are powered by a third rail. This was partially because authorities consider overhead wires to be unsightly and it does not allow for trains to be powered using this method on elevated lines. Since this line is the first to be fully underground in Singapore, the authorities had a choice between powering the trains on this line by overhead catenary or third rail. An overhead catenary power supply was decided upon. This is also the first time in the history of Singapore's MRT history that the seats in every compartment of the train are made up of the same colours. 25 trainsets of six cars each were purchased for the North East Line. In addition, due to its driverless configuration, it is a unique type of train where there are windows at the front and back of the train, giving passengers an impressive view as the train speeds through the tunnel. LTA says that they are adding 18 new trains for the [[North East Line]] within 5-6 years time.
A development in Singapore's MRT history, the trains on the [[North East Line]] are powered by overhead catenary, in contrast with the other trains on all other lines in Singapore which are powered by a third rail as the authorities consider overhead wires to be unsightly which does not allow for elevated line trains to be powered. Being the first fully underground line in Singapore, the authorities had a choice between powering the North East Line trains by overhead catenary or third rail.<ref>[http://www.tsd.org/cbtc/projects/SIG_Singapore_AutomaticMetro_en.pdf  "Singapore Northeast Line: will soon be the largest, fully automatic metro system in the world"]</ref> An overhead catenary power supply was decided upon.  


==Fleet==
==Fleet==
[[C751A Fleet Info]]
[[C751A Fleet Info]]


==Information System==
==Operation==
* 2 Visual Passenger Information System or VPIS installed in each train cars. These displays are capable of displaying the name of the next station, current station, door closing messages and occasionally the date and the time.
The C751A trains run on an automated system (without attendant), relying on "continuous two-way digital communication" between each controlled train and the control centre that controls the entire line.
* 6 Liquid Central Displays or LCDs are installed at the overhead panel in each train cars showing advertisements. These show rail travel information of the next station & terminating station, silent commercials and movie trailers and safety videos. As of today, the units on the C751A have stopped showing commercials due to lack of demand.


==Serial number==
==Features==
Individual cars are given a five-digit serial number by the rail operator, SBS Transit. The car numbers of the trains range from 7x001 to 7x050, where x depends on the carriage type. To avoid confusion with the serial numbers of Kawasaki Heavy Industries C151, which this number scheme follows, a 7 will be placed together with the other 4 digits.
===Visual Passenger Information System (VPIS)===
* 1st digit is always a 7.
Two VPIS are installed in each carriage that provides commuters with their route information throughout their journey. <ref>[http://www.stee.com.sg/pdf/railway_systems/VPIS_Eng.pdf Visual Passenger Information System for Singapore MRT and LRT lines]</ref>
* 2nd digit depends on whether the car is the 1st, 2nd or 3rd car from the end of the train it is nearer to.
 
* 3rd digit is always a 0.
===Liquid Central Displays (LCD)===
* The last 2 digits will be from 01 to 50, as the train identification number.
Six LCDs are installed at the overhead panel in each carriage that show advertisements, route information, silent commercials and movie trailers as well as safety videos. All units have stopped showing commercials due to the lack of demand.
* So for example an Alstom Metropolis C751A on the NEL (in this case, 001/002 aka 7001/7002), would consist of serial numbers 71001, 72001, 73001, 73002, 72002, 71002.
 
==Trainset numbers==
Individual cars are given a five-digit serial number by the rail operator, SBS Transit, numbers ranging from 7x001 to 7x050, whereby "x" depends on the carriage type.
 
* The first digit is always a 7.
* The second digit denotes the carriage of the train, with 1, 2 and 3.
* The third digit is always a 0.
* The last 2 digits are used as the train identification number.


==References==
==References==
* [http://www.transport.alstom.com/_eLibrary/brochure/upload_73748.pdf "Singapore Northeast Line - The first fully automatic heavy metro system"]. Alstom. Archived from the original on 2007-09-29. Retrieved 2008-02-25.
<references/>
* [http://www.tsd.org/cbtc/projects/SIG_Singapore_AutomaticMetro_en.pdf "Singapore Northeast Line: will soon be the largest, fully automatic metro system in the world"]. Alstom. Retrieved 2008-11-09.
* [http://www.alstom.com/transport/products-and-services/signalling/urbalis-control-system/ http://www.alstom.com/transport/products-and-services/signalling/urbalis-control-system/]
* [http://www.alstom.com/assetmanagement/DownloadAsset.aspx?ID=f8a7ad03-3004-4f8b-97ef-c1a192a8a25b&version=8ad42650118a4e0f8a6209c5dc6f1c6c2.pdf&lang=2057 http://www.alstom.com/assetmanagement/DownloadAsset.aspx?ID=f8a7ad03-3004-4f8b-97ef-c1a192a8a25b&version=8ad42650118a4e0f8a6209c5dc6f1c6c2.pdf&lang=2057]
* [http://www.stee.com.sg/pdf/railway_systems/VPIS_Eng.pdf http://www.stee.com.sg/pdf/railway_systems/VPIS_Eng.pdf]


==Related Links==
==Related Links==

Revision as of 11:52, 27 June 2015

Not to be confused with Kawasaki Heavy Industries & Nippon Sharyo C751B and Alstom Metropolis C751C.
Alstom Metropolis C751A
阿尔斯通 C751A
File:C751A front.jpg
A C751A train in Sengkang Depot.
In service 20 June 2003 - Current
Manufacturer Alstom
Built at Valenciennes, France
Family name Metropolis
Constructed 2000 - 2003
Number built Passenger service: 150 carriages (25 trains)
Formation 6 per trainset
TC - M - M - M - M - TC
Capacity 1920 passengers
296 seats
Operator SBS Transit
Depot(s) Sengkang
Line(s) served North East Line
Specifications
Car body
construction 		Welded aluminium
Car length 23.65 m (TC)
22.8 (M)
Width 3.2 m
Height 3.7 m
Floor height 1.1 m
Doors 1.4 m, 8 per car
Maximum speed 100 km/h
Weight 35000 kg
Acceleration 1.1 m/s2
Deceleration 1.4 m/s2 (Emergency)
Traction system IGBT-VVVF
(Alstom ONIX 1500)
Engine(s) Three-phase induction motor (S120-3380)
140kW 550V 193A 1760rpm
Electric system(s) 1500 V AC Overhead catenary
Bogies 16 t per axle
Safety system(s) Alstom's MASTRIA ATP and ATO
Alstom's URBALIS ATC/CBTC
Gauge 1,435 mm Standard gauge

Alstom Metropolis C751A is the first generation of communication-based train control (CBTC) rolling stock to be used in Singapore’s Mass Rapid Transit (MRT) lines.

History

In 1997 and 1998, the Land Transport Authority (LTA) awarded the contract for the supply of North East Line trains to Alstom.

A development in Singapore's MRT history, the trains on the North East Line are powered by overhead catenary, in contrast with the other trains on all other lines in Singapore which are powered by a third rail as the authorities consider overhead wires to be unsightly which does not allow for elevated line trains to be powered. Being the first fully underground line in Singapore, the authorities had a choice between powering the North East Line trains by overhead catenary or third rail.[1] An overhead catenary power supply was decided upon.

Fleet

C751A Fleet Info

Operation

The C751A trains run on an automated system (without attendant), relying on "continuous two-way digital communication" between each controlled train and the control centre that controls the entire line.

Features

Visual Passenger Information System (VPIS)

Two VPIS are installed in each carriage that provides commuters with their route information throughout their journey. [2]

Liquid Central Displays (LCD)

Six LCDs are installed at the overhead panel in each carriage that show advertisements, route information, silent commercials and movie trailers as well as safety videos. All units have stopped showing commercials due to the lack of demand.

Trainset numbers

Individual cars are given a five-digit serial number by the rail operator, SBS Transit, numbers ranging from 7x001 to 7x050, whereby "x" depends on the carriage type.

  • The first digit is always a 7.
  • The second digit denotes the carriage of the train, with 1, 2 and 3.
  • The third digit is always a 0.
  • The last 2 digits are used as the train identification number.

References

  1. ↑ "Singapore Northeast Line: will soon be the largest, fully automatic metro system in the world"
  2. ↑ Visual Passenger Information System for Singapore MRT and LRT lines

Related Links

icon Mass Rapid Transit [ V • T • E ]
Overview History • Stations • Fare and Ticketing • Facilities • Safety • Security
Lines North–South Line • East–West Line • North East Line • Circle Line • Downtown Line • Thomson–East Coast Line

FutureJurong Region Line • Cross Island Line

Rolling Stocks 151 • 151A • 151B • 151C • R151 • T251 • 751A • 751B • 751C • 830 • 830C • 851E • 951

Former651

Future J151 • CR151

Depots Bishan • Changi • Gali Batu • Kim Chuan • Mandai • Sengkang • Ulu Pandan • Tuas
Future Changi East • East Coast • Tengah
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