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British Rail Class 319
The British Rail Class 319 is an electric multiple unit passenger train built by British Rail Engineering Limited's Holgate Road carriage works for use on north–south cross-London services. These dual-voltage trains are capable of operating on from AC overhead wires or 750V DC from a third rail. Built in two batches in 1987–88 and 1990, the units were primarily used on the then-new Thameslink service from Bedford to Brighton and various other destinations south of London. The majority of the fleet remained in use on the Thameslink route after its reshaping and privatisation in 1997. Some of the fleet was also used by Connex South Central and latterly Southern on various services operating out of London Victoria, including flagship expresses to Brighton. Since delivery of new rolling stock for Thameslink services began in 2015, the Class 319 units have been redeployed for use on electrified lines in North West England but by 2023 will be replaced by units cascaded f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arriva Rail North
Arriva Rail North, branded as Northern by Arriva (legal name Arriva Rail North Limited) was a train operating company in Northern England which began operating the Northern franchise on 1 April 2016 and inherited units from the previous operator Northern Rail. A subsidiary of Arriva UK Trains, Northern was the largest train franchise in the United Kingdom in terms of the size of the network and the number of weekly services run. Its trains called at 528 stations, about a quarter of all stations in the country; of these stations 476 were operated by Northern. On 1 March 2020, Arriva Rail North Limited ceased to operate and all operations were handed to HM Government's Operator of Last Resort. During the preceding Northern Rail franchise passenger numbers increased from 73million to 97million between 2004 and 2016 and as a result the new franchise was tendered on a growth basis, allowing for a £500million investment in 101 new-built trains: the diesel Class 195 and electric ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liverpool
Liverpool is a City status in the United Kingdom, city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the List of English districts by population, 10th largest English district by population and its ESPON metropolitan areas in the United Kingdom, metropolitan area is the fifth largest in the United Kingdom, with a population of 2.24 million. On the eastern side of the Mersey Estuary, Liverpool historically lay within the ancient Hundred (county division), hundred of West Derby (hundred), West Derby in the county of Lancashire. It became a Borough status in the United Kingdom, borough in 1207, a City status in the United Kingdom, city in 1880, and a county borough independent of the newly-created Lancashire County Council in 1889. Its Port of Liverpool, growth as a major port was paralleled by the expansion of the city throughout the Industrial Revolution. Along with general cargo, freight, and raw materials such as coal and cotton ... [...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 colle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Electric Company Plc
The General Electric Company (GEC) was a major British industrial conglomerate involved in consumer and defence electronics, communications, and engineering. The company was founded in 1886, was Britain's largest private employer with over 250,000 employees in the 1980s, and at its peak in the 1990s, made profits of over £1 billion a year. In June 1998, GEC sold its share of the joint venture GEC-Alsthom on the Paris stock exchange. In December 1999, GEC's defence arm, Marconi Electronic Systems, was sold to British Aerospace, forming BAE Systems. The rest of GEC, mainly telecommunications equipment manufacturing, continued as Marconi Communications. After buying several US telecoms manufacturers at the top of the market, losses following the bursting of the dot-com bubble in 2001 led to the restructuring in 2003 of Marconi plc into Marconi Corporation plc. In 2005, Ericsson acquired the bulk of that company. What was left of the business was renamed Telent. Hist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gate Turn-off Thyristor
A gate turn-off thyristor (GTO) is a special type of thyristor, which is a high-power (.e.g. 1200V AC) semiconductor device. It was invented by General Electric. GTOs, as opposed to normal thyristors, are fully controllable switches which can be turned on and off by their gate lead. Device description Normal thyristors ( silicon-controlled rectifiers) are not fully controllable switches (a "fully controllable switch" can be turned on and off at will). Thyristors can only be turned on using the gate lead, but cannot be turned off using the gate lead. Thyristors are switched on by a gate signal, but even after the gate signal is de-asserted (removed, reverse biased), the thyristor remains in the on state until a turn-off condition occurs (which can be the application of a reverse voltage to the terminals or a decrease of the forward current below a certain threshold value known as the "holding current"). Thus, a thyristor behaves like a normal semiconductor diode after it is turn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Steel
Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant typically need an additional 11% chromium. Because of its high tensile strength and low cost, steel is used in buildings, infrastructure, tools, ships, trains, cars, machines, electrical appliances, weapons, and rockets. Iron is the base metal of steel. Depending on the temperature, it can take two crystalline forms (allotropic forms): body-centred cubic and face-centred cubic. The interaction of the allotropes of iron with the alloying elements, primarily carbon, gives steel and cast iron their range of unique properties. In pure iron, the crystal structure has relatively little resistance to the iron atoms slipping past one another, and so pure iron is quite ductile, or soft and easily formed. In steel, small amounts of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abbey Line
The Abbey Line, also called the St Albans Abbey branch line, is a railway line from Watford Junction to St Albans Abbey. The route passes through town and countryside in the county of Hertfordshire, just outside the boundaries of the Oyster Card and London fare zones. Its northern terminus in St Albans Abbey is located in the south of the city, around away from the larger St Albans City railway station on the Midland Main Line. The Abbey line is a semi-rural line and, due to its single-track operation, service frequencies are limited. The service is sometimes referred to locally as ''the Abbey Flyer''. History The line was opened by the London and North Western Railway (LNWR) on 5 May 1858 and was the first railway to reach St Albans. Originally there were two intermediate stations: * * In 1910 a station at Callowland opened, now . In 1924 the terminus at St Albans became to distinguish it from the Midland Railway main line station at , which opened in 186 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blackpool Branch Lines
The Blackpool branch lines are two railway branch lines running from the West Coast Main Line at Preston to Blackpool: The main branch which is double track and electrified, runs to Blackpool North station (Blackpool's main passenger station) via . A second branch, which is single track and unelectrified, diverges from the main branch at Kirkham and Wesham junction, running on a southerly route to Blackpool South station via . The Preston to Blackpool North route was re-signalled and electrified with overhead wires at 25kV AC, with electric trains starting running from the May 2018 timetable change. Previously there was also a central branch running from Kirkham to station; this was closed in the 1960s. History The lines around Blackpool were mostly opened in stages by the Preston and Wyre Joint Railway from 1840. Preston to Blackpool North The route is used by the bulk of Blackpool's passenger trains, providing services to Manchester, Liverpool and Leeds as well as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
West Coast Main Line
The West Coast Main Line (WCML) is one of the most important railway corridors in the United Kingdom, connecting the major cities of London and Glasgow with branches to Birmingham, Liverpool, Manchester and Edinburgh. It is one of the busiest mixed-traffic railway routes in Europe, carrying a mixture of intercity rail, regional rail, commuter rail and rail freight traffic. The core route of the WCML runs from London to Glasgow for and was opened from 1837 to 1869. With additional lines deviating to Northampton, Birmingham, Manchester, Liverpool and Edinburgh, this totals a route mileage of . The Glasgow–Edinburgh via Carstairs line connects the WCML to Edinburgh, however the main London–Edinburgh route is the East Coast Main Line. Several sections of the WCML form part of the suburban railway systems in London, Coventry, Birmingham, Liverpool, Manchester and Glasgow, with many more smaller commuter stations, as well as providing links to more rural towns. It is one of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liverpool–Wigan Line
The Liverpool–Wigan line is a railway line in the north-west of England, running between Liverpool Lime Street and Wigan North Western via St Helens Central station. The line is a part of the electrified Merseyrail Liverpool to Wigan City Line. The stations, and all trains serving it, are operated by Northern Trains, however the stations are branded Merseyrail using Merseyrail ticketing. Description The route from Liverpool, running east follows part of the northern section of the Liverpool–Manchester line up to Huyton Junction; where it branches north-eastwards, routing via Prescot and St Helens Central, then to Ince Moss Junction. Here, the line joins the West Coast Main Line near Springs Branch and runs on to Wigan North Western. The route sees service from three passenger trains per hour in both directions between Liverpool and Wigan. Following the 17 May 2015 timetable changeover, it is now usually operated by Northern Trains 4-Car Class 319 electric units. The f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liverpool To Manchester Lines
Liverpool is a city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the 10th largest English district by population and its metropolitan area is the fifth largest in the United Kingdom, with a population of 2.24 million. On the eastern side of the Mersey Estuary, Liverpool historically lay within the ancient hundred of West Derby in the county of Lancashire. It became a borough in 1207, a city in 1880, and a county borough independent of the newly-created Lancashire County Council in 1889. Its growth as a major port was paralleled by the expansion of the city throughout the Industrial Revolution. Along with general cargo, freight, and raw materials such as coal and cotton, merchants were involved in the slave trade. In the 19th century, Liverpool was a major port of departure for English and Irish emigrants to North America. It was also home to both the Cunard and White Star Lines, and was the port of registry of the ocean li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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