Alstom Citadis 202/302/402/502
Citadis 402 in Paris
Citadis 202, Citadis 302, Citadis 402 and Citadis 502 are length modifications of the second generation of Citadis low-floor trams manufactured by Alstom.
In December 1995, the new Citadis 202 and 302 trams were introduced, which are shortened versions of the Citadis 301. These fully low-floor, multi-articulated trams were designed for use in countries where tram services are actively developing: France, Spain, North Africa, the Middle East, South America, China and the British Isles.
Citadis 302 in Lyon
Production
The Citadis tram series includes various models based on the number of sections: the Citadis 202 features three sections, the Citadis 302 has five sections, the Citadis 402 contains seven sections, and the Citadis 502 comprises nine sections. These trams can be extended by adding two middle sections, one with a chassis and one without.
Most Citadis vehicles are designed for bidirectional travel, except for the Rotterdam tram, which operates in one direction. Additionally, specific Citadis 402 models in Bordeaux and Nice are equipped with only one door on each side of the central frameless section, while in Melbourne, the Citadis 202 has left-side doors only, located on the driver’s cab side.
Citadis 302 in Montpellier
Chassis
The original plan was to have a free-wheel design with independent unsprung wheel drive. However, Alstom eventually developed the Arpège chassis, which is also used in the Citadis 301/401, Citadis 304, Citadis 403 and many variants of the Citadis X05. In this design, both wheels of the wheelset are driven simultaneously via a shaft located in the portal axle.
Citadis 302 in Casablanca (Morocco)
Alstom designed this chassis only for new tram networks with a small number of switches and junctions, without using primary suspension between the wheelset and the chassis frame. In order to be able to offer vehicles to customers with higher suspension requirements, Alstom created a chassis with primary suspension in 1998, which was called Solfège. The motors are located longitudinally on the sides and the drive is completely suspended.
Citadis 302 in Rabat (Morocco)
A new chassis design was developed for the trams in Rotterdam, since a passage width of 700 mm was required, while with Arpège and Solfège only 580 mm could be achieved. In this design, the fully suspended motors, located longitudinally on the sides, drive two wheels located one behind the other on each side, similar to the implementation in the Combino from Siemens. Like the Solfège, the Corège also has primary suspension between the wheels and the chassis frame.
The Arpège chassis was originally designed with a wheelbase of 1800 mm. However, this would have meant that the engines would have had to be mounted asymmetrically. It was eventually decided to reduce the wheelbase to 1600 mm, and both engines were mounted outside the frame.
The standard wheels for the trains originally had a diameter of 590 mm, but in some models like the Citadis 202 for Melbourne and the Rotterdam carriages, this diameter was increased to 610 mm. The standard traction motors on these trains are three-phase water-cooled asynchronous motors, capable of running continuously at 120 kW, although the Citadis 202 is equipped with lower-power motors operating at 105 kW.
In 2004, testing was conducted on permanent magnet synchronous motors which are now utilized in newer Citadis models, including the Dualis, 304, and X05. These updated motors are air-cooled, featuring vents that are positioned externally.
Citadis 305 in Casablanca
Body
The width of the double doors is 1,300 mm, which is a standard size for modern trams. The width of the single doors is 800 mm. In the standard configuration, the floor is located at a height of 350 mm above the top of the guides, and for doors with ramps it is lowered to 300 mm.
Citadis 302 in Barcelona
Generation 2 (Citadis X02)
The Citadis 202 is a 24-meter tram consisting of three cars, with a low floor on 100% of the train. It is used in Melbourne.
The Citadis 302 is a 32-meter tram consisting of five cars, with a low floor on 100% of the train. It is used in Lyon, Bordeaux, Paris, Montpellier, Toulouse, Angers, Brest, Dijon, Le Havre, Le Mans, Mulhouse, Orléans, Reims, Rouen, Valenciennes, Barcelona, Madrid, Cuenca (Spain), Jaén, Murcia, Tenerife, Rotterdam, Buenos Aires, Oran, Casablanca, Rabat, Tunis, Cuenca (Ecuador), Shanghai, Lusail, Nottingham and Jerusalem.
The Citadis 402 is a 44-meter tram consisting of seven cars, with a low floor on 100% of the train. It is used in Bordeaux, Paris, Nice, Grenoble, Tours, Algiers, Sétif, Constantine, Mostaganem, Ouargla, Sidi Bel Abbès, Brasilia, Rio de Janeiro, Dubai.
The Citadis 502 is a 55-meter tram consisting of nine cars, with a low floor on 100% of the train. It is used only in Dublin.
Characteristics
Manufacturer: Alstom
Assembly: Aytré (La Rochelle, France) / Reichshoffen (France) / Santa Perpètua de Mogoda (Barcelona, Spain) / Changchun (China)
Years of production: 1999—
Production: +1500 units
Length: 43,900 mm
Width: 2650 mm
Height: 3300 mm
Passenger capacity: 205 (56 seats)
Track gauge: 1435 mm
Power: 6× 120 kW
Max. speed: 70 km/h
Tension: 750 V
Weight: 50 t
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