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MRV (Paris Métro)
MRV, project name, for Matériel Roulant Voyageurs (Passenger Rolling Stock) are the future rolling stock for the new line 18 of the Paris Métro. Background As part of the construction of line 18 of the Paris metro, the Société du Grand Paris launched a call for tenders in the first quarter of 2019 for the acquisition of new self-driving trains and associated systems. In October 2021, the Société du Grand Paris announced that the manufacturer Alstom Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia ... had been selected to supply 37 trains from the Alstom Metropolis range with three cars, automation systems and centralized operating command stations for a total amount of 400 million euros. A first firm tranche of 15 trains for an amount of 230 million euros has been ordered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alstom
Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia and New Pendolino high-speed trains, in addition to suburban, regional and metro trains, and Citadis trams. Alsthom (originally Als-Thom) was formed by a merger between Compagnie Française Thomson-Houston and the electric engineering division of Société Alsacienne de Constructions Mécaniques in 1928. Significant later acquisitions included the Constructions Electriques de France (1932), shipbuilder Chantiers de l'Atlantique (1976), and parts of ACEC (Belgium, late-1980s). A merger with parts of the General Electric Company (UK) formed GEC Alsthom in 1989. Throughout the 1990s, the company expanded its holdings in the rail sector, via the acquisition of German rolling stock manufacturer Linke-Hofmann-Busch and Italian rail signall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Valenciennes
Valenciennes (, also , , ; nl, label=also Dutch, Valencijn; pcd, Valincyinnes or ; la, Valentianae) is a commune in the Nord department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced a steady population decline between 1975 and 1990, it has since rebounded. The 1999 census recorded that the population of the commune of Valenciennes was 41,278, and that of the metropolitan area was 399,677. History Before 1500 Valenciennes is first mentioned in 693 in a legal document written by Clovis II (''Valentiana''). In the 843 Treaty of Verdun, it was made a neutral city between Neustria and the Austrasia. Later in the 9th century the region was overrun by the Normans, and in 881 the town passed to them. In 923 it passed to the Duchy of Lower Lotharingia dependent on the Holy Roman Empire. Once the Empire of the Franks was established, the city began to develop, though the archaeological record has still not revealed all it has to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alstom Metropolis
The Alstom Metropolis is a family of electric multiple units designed and produced by the French rolling stock manufacturer Alstom. It is designed for high capacity rapid transit or metro rail infrastructure systems. Trains can be run in various configurations, the length alone varying between two and ten cars; it is also suitable for both manned or unmanned operations. More than 4,000 Metropolis cars have been manufactured, the type is reportedly in service with 50 operators distributed around the world. Cities operating the Metropolis include Singapore, Shanghai, Budapest, Warsaw, Nanjing, Buenos Aires, São Paulo, Lima, Santiago, Barcelona, Guadalajara, Istanbul, Santo Domingo, Chennai, Kochi, Dubai, Lucknow, Sydney, Amsterdam and Xiamen. Design features Alstom's Metropolis family of electric multiple units is highly adaptable; the basic body can significantly vary in size between small, medium and wide configurations to meet a variety of client's needs. A typical trainset i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Contact Shoe
Electric current collectors are used by trolleybuses, trams, electric locomotives or EMUs to carry electrical power from overhead lines, electrical third rails, or ground-level power supplies to the electrical equipment of the vehicles. Those for overhead wires are roof-mounted devices, those for rails are mounted on the bogies. Typically, electric current connectors have one or more spring-loaded arms that press a collector or contact shoe against the rail or overhead wire. As the vehicle moves, the contact shoe slides along the wire or rail to draw the electricity needed to run the vehicle's motor. The current collector arms are electrically conductive but mounted insulated on the vehicle's roof, side or base. An insulated cable connects the collector with the switch, transformer or motor. The steel rails of the tracks act as the electrical return. Electric vehicles that collect their current from an overhead line system use different forms of one- or two-arm pantograph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrodynamic Brake
Dynamic braking is the use of an electric traction motor as a generator when slowing a vehicle such as an electric or diesel-electric locomotive. It is termed " rheostatic" if the generated electrical power is dissipated as heat in brake grid resistors, and " regenerative" if the power is returned to the supply line. Dynamic braking reduces wear on friction-based braking components, and regeneration lowers net energy consumption. Dynamic braking may also be used on railcars with multiple units, light rail vehicles, electric trams, trolleybuses, and electric and hybrid electric automobiles. Principle of operation Converting electrical energy to the mechanical energy of a rotating shaft (electric motor) is the inverse of converting the mechanical energy of a rotating shaft to electrical energy (electric generator). Both are accomplished through the interactions of armature windings with a (relatively) moving external magnetic field, with the armature connected to an electrical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Regenerative Brake
Regenerative braking is an energy recovery mechanism that slows down a moving vehicle or object by converting its kinetic energy into a form that can be either used immediately or stored until needed. In this mechanism, the electric traction motor uses the vehicle's momentum to recover energy that would otherwise be lost to the brake discs as heat. This method contrasts with conventional braking systems. In those systems, the excess kinetic energy is converted to unwanted and wasted heat due to friction in the brakes, or with rheostatic brakes, where the energy is recovered by using electric motors as generators but is immediately dissipated as heat in resistors. In addition to improving the overall efficiency of the vehicle, regeneration can significantly extend the life of the braking system as the mechanical parts will not wear out quickly. General principle The most common form of regenerative brake involves an electric motor functioning as an electric generator. In elect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paris Métro Line 18
Paris Métro Line 18 is a planned line of the metropolitan network of Paris. It will be an automatic metro line with an adapted gauge of the Grand Paris Express. 35 kilometers long, it will initially link Orly Airport to Versailles via Massy – Palaiseau, the Saclay plateau and Saint-Quentin-en-Yvelines. Subsequently, it would be extended by about 15 kilometers from Versailles to Nanterre via Rueil-Malmaison. It should be completed after 2030. Its first section, from Orly airport to the Saclay plateau ( CEA Saint-Aubin), is scheduled for 2026 between the stations of Massy-Palaiseau and CEA Saint- Aubin, and 2027 between Massy-Palaiseau and Orly airport. One of its vocations is in particular to serve the technological and scientific pole Paris-Saclay and the Paris-Saclay University. It should also have given access to the site which was envisaged for the aborted project of French candidacy for the organization of the Universal Exhibition of 2025. Project management for engine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paris Métro
The Paris Métro (french: Métro de Paris ; short for Métropolitain ) is a rapid transit system in the Paris metropolitan area, France. A symbol of the Paris, city, it is known for its density within the capital's territorial limits, uniform architecture and Paris Métro entrances by Hector Guimard, unique entrances influenced by Art Nouveau. It is mostly underground and long. It has 308 stations, of which 64 have transfers between lines. The Montmartre funicular is considered to be part of the metro system, within which is represented by a 303rd fictive station "Funiculaire". There are 16 lines (with an additional four Grand Paris Express, under construction), numbered 1 to 14, with two lines, Paris Métro Line 3bis, 3bis and Paris Métro Line 7bis, 7bis, named because they started out as branches of Paris Métro Line 3, Line 3 and Paris Métro Line 7, Line 7 respectively. Paris Métro Line 1, Line 1 and Paris Métro Line 14, Line 14 are List of automated train systems, automat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MR3V/MR6V
MR3V/6V project name, for "Matériel Roulant 3 Voitures / 6 Voitures" (Rolling Stock 3 Cars / 6 Cars) are future rolling stock, to equip the new lines 15, 16 and 17 of the Paris Metro. Background In May 2018, the Société du Grand Paris announced that the manufacturer Alstom was approached to win the contracts for the trains on lines 15, 16 and 17 of the Grand Paris Express. The contract provides for the delivery of a maximum of 1,000 cars, which are divided into 133 six-car trains for line 15 and 50 three-car trains for lines 16 and 17, all based on the Metropolis. On 20 September 2018, the contract was officially signed with Alstom for the manufacture of rolling stock for a total cost of 1.3 billion euros and, quickly, a sketch of the design of this rolling stock was unveiled. The first 3-car sets were seen at the beginning of November 2021 in dynamic tests in the Alstom rail test centre in Valenciennes. Description The MR3V / MR6V are fully automated with open-gangway co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paris Métro Rolling Stock
Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. Since the 17th century, Paris has been one of the world's major centres of finance, diplomacy, commerce, fashion, gastronomy, and science. For its leading role in the arts and sciences, as well as its very early system of street lighting, in the 19th century it became known as "the City of Light". Like London, prior to the Second World War, it was also sometimes called the capital of the world. The City of Paris is the centre of the Île-de-France region, or Paris Region, with an estimated population of 12,262,544 in 2019, or about 19% of the population of France, making the region France's primate city. The Paris Region had a GDP of €739 billion ($743 billion) in 2019, which is the highest in Europe. According to the Economist Intelligenc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paris Métro Line 18
Paris Métro Line 18 is a planned line of the metropolitan network of Paris. It will be an automatic metro line with an adapted gauge of the Grand Paris Express. 35 kilometers long, it will initially link Orly Airport to Versailles via Massy – Palaiseau, the Saclay plateau and Saint-Quentin-en-Yvelines. Subsequently, it would be extended by about 15 kilometers from Versailles to Nanterre via Rueil-Malmaison. It should be completed after 2030. Its first section, from Orly airport to the Saclay plateau ( CEA Saint-Aubin), is scheduled for 2026 between the stations of Massy-Palaiseau and CEA Saint- Aubin, and 2027 between Massy-Palaiseau and Orly airport. One of its vocations is in particular to serve the technological and scientific pole Paris-Saclay and the Paris-Saclay University. It should also have given access to the site which was envisaged for the aborted project of French candidacy for the organization of the Universal Exhibition of 2025. Project management for engine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alstom Multiple Units
Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia and New Pendolino high-speed trains, in addition to suburban, regional and metro trains, and Citadis trams. Alsthom (originally Als-Thom) was formed by a merger between Compagnie Française Thomson-Houston and the electric engineering division of Société Alsacienne de Constructions Mécaniques in 1928. Significant later acquisitions included the Constructions Electriques de France (1932), shipbuilder Chantiers de l'Atlantique (1976), and parts of ACEC (Belgium, late-1980s). A merger with parts of the General Electric Company (UK) formed GEC Alsthom in 1989. Throughout the 1990s, the company expanded its holdings in the rail sector, via the acquisition of German rolling stock manufacturer Linke-Hofmann-Busch and Italian rail signalli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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