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Siemens Nexas
The Siemens Nexas is a class of electric multiple units manufactured by Siemens Transportation Systems for the suburban railway network of Melbourne, Australia between 2002 and 2005. The design of the trains was based on the Siemens Modular Metro. History In March 2000 M>Train ordered 62 Siemens Nexas trains to fulfill a franchise commitment to replace its fleet of Hitachi trains. The original order was for 62 3-car sets, with an option for an additional ten 3-car sets. In December 2002 just before the first was delivered, National Express handed the M>Train franchise back to the Government of Victoria, thus the first Siemens Nexas trains were delivered to the government. All passed to Connex Melbourne in April 2004. The option for ten additional trains was exercised in August 2005, with the last of these delivered in January 2006. Siemens Rail Services was contracted to provide maintenance of the trains for a period of 15 years (subject to refranchising) at Newport Works ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siemens Mobility
Siemens Mobility GmbH is a separately-managed company of Siemens, arising from a corporate restructuring effective 1 August 2018. With its global headquarters in Munich, Siemens Mobility has four core business units: Mobility Management, dedicated to rail technology and intelligent traffic systems, Railway Electrification, Rolling Stock, and Customer Services. History Innovations from the late 19th century, such as the world's first electric train, when Siemens & Halske unveiled a train in which power was supplied through the rails, and the world's first electric tram, with the implementation of 2.5-kilometer-long electric tramway located in Berlin, built at the company's own expense, cemented the use of electric power in transportation systems. In the following years, inventions such as the first electric trolleybus, mine locomotives, and the first underground railway in continental Europe (in Budapest), set the path from trams and subways to today's high-speed trains. Si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Insulated-gate Bipolar Transistor
An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily used as an electronic switch, which, as it was developed, came to combine high efficiency and fast switching. It consists of four alternating layers (P–N–P–N) that are controlled by a metal–oxide–semiconductor (MOS) gate structure. Although the structure of the IGBT is topologically the same as a thyristor with a "MOS" gate ( MOS-gate thyristor), the thyristor action is completely suppressed, and only the transistor action is permitted in the entire device operation range. It is used in switching power supplies in high-power applications: variable-frequency drives (VFDs), electric cars, trains, variable-speed refrigerators, lamp ballasts, arc-welding machines, induction hobs, and air conditioners. Since it is designed to turn on and off rapidly, the IGBT can synthesize complex waveforms with pulse-width modulation and low-pass filters, so it is also used in switching ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Government Of Victoria
The Victoria State Government, also referred to as just the Victorian Government, is the state-level authority for Victoria (Australia), Victoria, Australia. Like all state governments, it is formed by three independent branches: the executive, the Supreme Court of Victoria, judicial, and the Parliament of Victoria, parliament. As a parliamentary system, parliamentary constitutional monarchy, the State Government was first formed in 1851 when Victoria first gained the right to responsible government. The Constitution of Australia regulates the relationship between the Victorian Government and the Australian Government, and cedes legislative and judicial supremacy to the federal government on conflicting matters. The Victoria State Government enforces Act of Parliament, acts passed by the parliament through government departments, statutory authorities, and other public agencies. The Government is formally presided over by the Governor of Victoria, Governor, who exercises execu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Express
National Express Group is a British multinational public transport company headquartered in Birmingham, England. It operates bus, coach, train and tram services in the United Kingdom, Ireland (National Express operates Eurolines in conjunction with Bus Éireann), United States, Canada, Spain, Portugal, Malta, Germany, Bahrain, and Morocco and long-distance coach services across Europe. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History In 1972, the state-owned National Bus Company decided to bring together the scheduled coach services operated by its bus operating companies in the United Kingdom under one brand. Sir Frederick Wood, a prominent businessman and industrialist, was asked to oversee the creation of this new business model and led the group as its chairman from 1972 to 1978. Initially branded as ''National'', the ''National Express'' brand was first used in 1974.Tram and V/Line Passenger rail franchises in the Australi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hitachi (Australian Train)
The Hitachi (also known as Martin & King or Stainless Steel) was an electric multiple unit that operated on the Melbourne suburban railway network between 1972 and 2014. Electrical equipment was supplied by Commonwealth Engineering to designs by Hitachi of Japan, leading to their official name today, though no actual Hitachi-supplied components were used in their construction. They were the last suburban trains in Melbourne with no air conditioning. A total of 355 carriages were built between 1972 and 1981, including a replacement carriage for one written off while the fleet was still being delivered. Configuration Based on a successful trial of longer Harris trailer cars built between 1967 and 1971, the Hitachi used carriages long, up from the standard length of the earlier suburban cars. The revised carriage design enabled a six car Hitachi to seat 560 passengers, up from 540 for a seven car Harris, and allowed a maximum load of 1,500 passengers, 300 more than a Harris ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M-Train
M-Train (stylised as M>Train) was a train operator in Melbourne, Australia, and operated some of the city's suburban rail operations. Formed in October 1997 as Bayside Trains, a business unit of the Public Transport Corporation, it was privatised in August 1999 becoming a subsidiary of National Express. In December 2002 National Express handed the franchise in, with the State Government taking over until negotiations were concluded for Connex Melbourne to take over in April 2004. History On 1 October 1997 in preparation for privatisation, the Public Transport Corporation's suburban rail operations were split into two business units, Bayside Trains and Hillside Trains. The former took over operation of the Frankston, Cranbourne, Pakenham, Sandringham, Williamstown, Werribee, Sydenham (now Sunbury), Broadmeadows (now Craigieburn) and Upfield line services. Bayside Trains initially operated service on the Orbost line as far as Warragul under contract to V/Line until el ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Melbourne
Melbourne ( ; Boonwurrung/Woiwurrung: ''Narrm'' or ''Naarm'') is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in both Australia and Oceania. Its name generally refers to a metropolitan area known as Greater Melbourne, comprising an urban agglomeration of 31 local municipalities, although the name is also used specifically for the local municipality of City of Melbourne based around its central business area. The metropolis occupies much of the northern and eastern coastlines of Port Phillip Bay and spreads into the Mornington Peninsula, part of West Gippsland, as well as the hinterlands towards the Yarra Valley, the Dandenong and Macedon Ranges. It has a population over 5 million (19% of the population of Australia, as per 2021 census), mostly residing to the east side of the city centre, and its inhabitants are commonly referred to as "Melburnians". The area of Melbourne has been home to Aboriginal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Railways In Melbourne
The Melbourne rail network is a passenger and freight train system in the city of Melbourne, Victoria, Australia. The metropolitan passenger rail network is centred on the Melbourne CBD and consists of 222 stations across 16 lines, which served a ridership of 99.5 million over the year 2021-2022. It is the core of the larger Victorian railway network, with links to both intrastate and interstate systems. The first steam train in Australia commenced service in Melbourne in 1854, with the metropolitan network having grown over the last two centuries to cover much of the city. Metro Trains Melbourne operates the Melbourne metropolitan railway network under franchise from the Government of Victoria, while the government-owned entity V/Line operates trains from Melbourne across regional Victoria. The metropolitan network is a suburban rail system designed to transport passengers from Melbourne's suburbs into the Melbourne central business district (CBD) and associated city ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electric Multiple Units
An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages. An EMU is usually formed of two or more semi-permanently coupled carriages, but electrically powered single-unit railcars are also generally classed as EMUs. The great majority of EMUs are passenger trains, but versions also exist for carrying mail. EMUs are popular on commuter and suburban rail networks around the world due to their fast acceleration and pollution-free operation. Being quieter than diesel multiple units (DMUs) and locomotive-hauled trains, EMUs can operate later at night and more frequently without disturbing nearby residents. In addition, tunnel design for EMU trains is simpler as no provision is needed for exhausting fumes, although retrofitting existing limited-clearance tunnels to accommodate the ex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dellner
Dellner Couplers AB is a Swedish original equipment manufacturer of train connection systems as couplers, gangway systems and dampers. The headquarter of the company is located in Vika in the Falun Municipality. Dellner is owned by the investment organisation EQT Partners and has 22 subsidiaries worldwide with more than 1,200 employees. History Dellner was founded in 1941 by the Swedish engineer Jan Dellner. The first customer was Swedish State Railways, for whom the Engineering Bureau Dellner produced automatic couplers. In the following years, the company, based in the small town of Vika in central Sweden, expanded its business and supplied automatic couplers to numerous customers in Europe, such as the Warsaw Metro, Paris Metro, SNCF, Rome Metro and Italian State Railways. From 1982 onwards, train couplers were also supplied to countries outside Europe. At that time Dellner had a total of 80 employees in Sweden, the US and Canada. From 1984 Dellner was the first manufacture ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pantograph (transport)
A pantograph (or "pan" or "panto") is an apparatus mounted on the roof of an electric train, tram or electric bus to collect power through contact with an overhead line. By contrast, battery electric buses and trains are charged at charging stations. The pantograph is a common type of current collector; typically, a single or double wire is used, with the return current running through the rails. The term stems from the resemblance of some styles to the mechanical pantographs used for copying handwriting and drawings. Invention The pantograph, with a low-friction, replaceable graphite contact strip or "shoe" to minimise lateral stress on the contact wire, first appeared in the late 19th century. Early versions include the bow collector, invented in 1889 by Walter Reichel, chief engineer at Siemens & Halske in Germany, and a flat slide-pantograph first used in 1895 by the Baltimore and Ohio Railroad The familiar diamond-shaped roller pantograph was devised and patented b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Overhead Line
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, trolleybuses or trams. It is known variously as: * Overhead catenary * Overhead contact system (OCS) * Overhead equipment (OHE) * Overhead line equipment (OLE or OHLE) * Overhead lines (OHL) * Overhead wiring (OHW) * Traction wire * Trolley wire This article follows the International Union of Railways in using the generic term ''overhead line''. An overhead line consists of one or more wires (or rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regular intervals. The feeder stations are usually fed from a high-voltage electrical grid. Overview Electric trains that collect their current from overhead lines use a device such as a pantograph, bow collector or trolley pole. It presses against the underside of the lowest overhead wire, the contact wire. Current collectors ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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