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KTX-Eum
The KTX-Eum (, formerly known as EMU-260) or Korail Class 150000 is a South Korean High-speed rail, high-speed electrical multiple unit, electric multiple unit train manufactured by Hyundai Rotem and operated by Korail. The word 'eum' in Korean language, Korean means 'uniting through connection'. This name was selected by members of the public, and expresses the desire to connect regions, people, and happiness through trains. History After the development of the prototype HEMU-430X train, Hyundai-Rotem and Korail signed an agreement in June 2016 to supply high-speed electric multiple units, the first of its kind in South Korea in commercial service (the HEMU-430X is also an electric multiple unit, but it is not for service and mass production). The original order was for five six-car units, but an additional order for 14 six-car units was placed in December 2016; both orders were scheduled for delivery from 2020 to 2021. In September 2016, Korail held a public contest for the d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Korea Train Express
Korea Train eXpress (), often known as KTX (), is South Korea's high-speed rail system, operated by Korail. Construction began on the high-speed line from Seoul to Busan in 1992. KTX services were launched on April 1, 2004. From Seoul Station the KTX lines radiate with stops at Seoul Station, Yongsan station towards Busan and Gwangju. A new line from Wonju to Gangneung was completed in December 2017 to serve the 2018 Winter Olympics in Pyeongchang. Top speed for trains in regular service is currently , though the infrastructure is designed for . The initial rolling stock was based on Alstom's TGV Réseau, and was partly built in Korea. The domestically developed HSR-350x, which achieved in tests, resulted in a second type of high-speed trains now operated by Korail, the KTX Sancheon. The next generation KTX train, HEMU-430X, achieved 421.4 km/h in 2013, making South Korea the world's fourth country after Japan, France and China to develop a high-speed train running on c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hyundai Rotem
Hyundai Rotem (founded in 1977) is a South Korean company that manufactures rolling stock, defense products and plant equipment. It is a part of the Hyundai Motor Group. Its name was changed from Rotem to Hyundai Rotem in December 2007 to reflect the parent company. History The company was founded in 1977. In 1999, the company changed its name to Korea Rolling Stock Corporation (KOROS) as a result of the merging between three major rolling stock divisions: Hanjin Heavy Industries, Daewoo Heavy Industries and Hyundai Precision & Industries. The company subsequently changed its name to Railroading Technology System, or Rotem, on 1 January 2002. It adopted its current name in December 2007 to reflect its current owner. Hyundai Rotem currently employs 3,800 people and exports to 50 countries worldwide. Railway products Notable projects include supplying most of South Korea's rolling stock, which include Korail's KTX high speed trains, electric multiple units (EMUs), and elect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gyeonggang Line
The Gyeonggang Line (경강선) is a rail line in South Korea, which at present comprises two distinct sections. The first one, which opened on September 24, 2016, is part of the Seoul Metropolitan Subway system in Gyeonggi-do, South Korea, and runs from the city of Seongnam to Yeoju City, partially coinciding with the route of the former narrow-gauge Suryeo Line. The second section, which is located entirely in Gangwon Province, runs between Gangneung and Wonju and opened on December 22, 2017, in anticipation of the 2018 Winter Olympics. This section of the line offers KTX service from Seoul, through the Jungang Line. In the future, the two sections are to be connected, and the Gyeonggang Line will be extended westwards to Siheung. History September 24, 2016: The first section of the line opens from Pangyo to Yeoju. December 22, 2017: The second section of the line opens from Seowonju station to Gangneung station. Future The Gyeonggang Line is planned to run all the way fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jungbunaeryuk Line
The Jungbunaeryuk Line ( ko, 중부내륙선, translation=''Middle Inland line'') is a rail line under construction from Bubal to Mungyeong. Construction started in November 2015. The line opened in December 2021 between Bubal on the Gyeonggang Line & Chungju on the Chungbuk Line. The KTX line is expected to be extended in December 2024 from Chungju to Mungyeong. Another extension from Mungyeong to Gimcheon was approved in December 2022. Stations Services KTX-Eum The KTX-Eum (, formerly known as EMU-260) or Korail Class 150000 is a South Korean high-speed electric multiple unit train manufactured by Hyundai Rotem and operated by Korail. The word 'eum' in Korean means 'uniting through connection'. Thi ... will be operated in this line 4 times a day from December 31, 2021. References * * {{Jungbunaeryuk Line Rail transport in Gyeonggi Province Korail lines ... [...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] |
Rheostatic 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] |
Disc Brake
A disc brake is a type of brake that uses the calipers to squeeze pairs of pads against a disc or a "rotor" to create friction. This action slows the rotation of a shaft, such as a vehicle axle, either to reduce its rotational speed or to hold it stationary. The energy of motion is converted into waste heat which must be dispersed. Hydraulically actuated disc brakes are the most commonly used form of brake for motor vehicles, but the principles of a disc brake are applicable to almost any rotating shaft. The components include the disc, master cylinder, and caliper (which contains a cylinder and two brake pads) on both sides of the disc. Design The development of disc-type brakes began in England in the 1890s. In 1902, the Lanchester Motor Company designed brakes that looked and operated in a similar way to a modern disc-brake system even though the disc was thin and a cable activated the brake pad. Other designs were not practical or widely available in cars for another 6 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Brake (rail)
A railway air brake is a railway brake power braking system with compressed air as the operating medium. Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on April 13, 1869. The Westinghouse Air Brake Company was subsequently organized to manufacture and sell Westinghouse's invention. In various forms, it has been nearly universally adopted. The Westinghouse system uses air pressure to charge air reservoirs (tanks) on each car. Full air pressure causes each car to release the brakes. A subsequent reduction or loss of air pressure causes each car to apply its brakes, using the compressed air stored in its reservoirs. Overview Straight air brake In the air brake's simplest form, called the ''straight air system'', compressed air pushes on a piston in a cylinder. The piston is connected through mechanical linkage to brake shoes that can rub on the train wheels, using the resulting friction to slow the train. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Automatic Train Stop
Automatic train stop or ATS is a system on a train that automatically stops a train if certain situations occur (unresponsive train operator, earthquake, disconnected rail, train running over a stop signal, etc.) to prevent accidents. In some scenarios it functions as a type of dead man's switch. Automatic train stop differs from the concept of Automatic Train Control in that ATS usually does not feature an onboard speed control mechanism. Overview Mechanical systems The invention of the fail-safe railway air brake provided an external means for stopping a train via a physical object opening a valve on the brake line to the atmosphere. Eventually known as ''train stops'' or ''trip stops'', the first mechanical ATS system was installed in France in 1878 with some railroads in Russia following suit using a similar system in 1880. In 1901 Union Switch and Signal Company developed the first North American automatic train stop system for the Boston Elevated Railway. This system was so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
European Rail Traffic Management System
The European Rail Traffic Management System (ERTMS) is the system of standards for management and interoperation of signalling for railways by the European Union (EU). It is conducted by the European Union Agency for Railways (ERA) and is the organisational umbrella for the separately managed parts of * GSM–R (communication), * European Train Control System (ETCS, signalling), * European Train Management Layer (ETML, payload management) The main target of ERTMS is to promote the interoperability of trains in the EU. It aims to greatly enhance safety, increase efficiency of train transports and enhance cross-border interoperability of rail transport in Europe. This is done by replacing former national signalling equipment and operational procedures with a single new Europe-wide standard for train control and command systems. The development process was started with the technical foundations for communication (GSM-R) and signalling (ETCS). Both are well established and in adva ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eddy Current Brake
An eddy current brake, also known as an induction brake, electric brake or electric retarder, is a device used to slow or stop a moving object by generating eddy currents and thus dissipating its kinetic energy as heat. Unlike friction brakes, where the drag force that stops the moving object is provided by friction between two surfaces pressed together, the drag force in an eddy current brake is an electromagnetic force between a magnet and a nearby conductive object in relative motion, due to eddy currents induced in the conductor through electromagnetic induction. A conductive surface moving past a stationary magnet develops circular electric currents called eddy currents induced in it by the magnetic field, as described by Faraday's law of induction. By Lenz's law, the circulating currents create their own magnetic field that opposes the field of the magnet. Thus the moving conductor experiences a drag force from the magnet that opposes its motion, proportional to its veloc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
