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Sotetsu 21000 Series
The is an electric multiple unit (EMU) commuter train type operated by the private railway operator Sagami Railway ("Sotetsu") in Japan in the Tokyo area since February 2018. Ultimately intended to be used on through-running services between Sotetsu and Tokyu Corporation lines commencing in late fiscal 2022, the first train entered revenue service on 11 February 2018, replacing a 7000 series set. Eight-car sets designated as 21000 series were announced in April 2021, the first of which entered service in September 2021. Design The fleet of ten-car 20000 series trainsets is being built by Hitachi at its Kasado Factory in Kudamatsu, Yamaguchi. Externally, the trains carry the "Yokohama Navy Blue" corporate livery introduced for refurbished 9000 series trains. Formation 20000 series The trains are formed as ten-car sets, as follows, with five motored ("M") cars and five non-powered trailer ("T") cars, and car 1 at the Yokohama end. 21000 series The trains are formed as eight ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hitachi Rail
Hitachi, Ltd. Railway Systems Business Unit, Trade name, trading as Hitachi Rail, is the rolling stock and railway signalling manufacturing division of Hitachi outside Japan. History Hitachi's rail division before global expansion After the demand for ships decreased following the end of the World War I, First World War, Hitachi, under its founder Namihei Odaira, acquired the Kasado Factory in Kudamatsu, Yamaguchi Prefecture, Yamaguchi from a nearly bankrupt shipbuilder. This factory was converted into a locomotive manufacturing facility. In the 1920s, Hitachi's railway products included the JNR Class ED15, JNR Class ED15 locomotives, the first electric mainline locomotives built in Japan, and steam locomotives such as the JGR Class 8620, Class 8620 and JNR Class D50, Class D50. As mainline electrification progressed, Hitachi developed and produced much larger and more powerful electric locomotives, such as the JNR Class EF55, Class EF55 streamliners (1936), the Class EF56 (19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schottky Diode
The Schottky diode (named after the German physicist Walter H. Schottky), also known as Schottky barrier diode or hot-carrier diode, is a semiconductor diode formed by the junction of a semiconductor with a metal. It has a low forward voltage drop and a very fast switching action. The cat's-whisker detectors used in the early days of wireless and metal rectifiers used in early power applications can be considered primitive Schottky diodes. When sufficient forward voltage is applied, a current flows in the forward direction. A silicon p–n diode has a typical forward voltage of 600–700 mV, while the Schottky's forward voltage is 150–450 mV. This lower forward voltage requirement allows higher switching speeds and better system efficiency. Construction A metal–semiconductor junction is formed between a metal and a semiconductor, creating a Schottky barrier (instead of a semiconductor–semiconductor junction as in conventional diodes). Typical metals used ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sagami Railway 20000 Series (Car Equipment) 01na
Sagami may refer to: * Sagami, an 11th-century ''waka'' poet *Sagami Province, an old province in Japan * Sagami River, a river in Kanagawa and Yamanashi *Sagami Bay lies south of Kanagawa Prefecture in Honshu, central Japan, contained within the scope of the Miura Peninsula, in Kanagawa, to the east, the Izu Peninsula, in Shizuoka Prefecture, to the west, and the Shōnan coastline to the north, while the i ..., a bay south of Kanagawa Prefecture in Honshū * Sagami Line, a railway roughly along the east bank of the Sagami River * Sagami Railway, a railway company operating three lines in Kanagawa Prefecture, Japan ** Sagami Railway Main Line, a railway line extending from Yokohama to Ebina ** Sagami Railway Izumino Line, a railway line extending from Futamatagawa in Yokohama to Shōnandai in Fujisawa * Sagami-ji, a Buddhist temple in Hyōgo, Japan {{disambig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moquette
Moquette is a type of woven pile (fabric), pile fabric in which cut or uncut threads form a short dense cut or loop pile. The pile's upright fibres form a flexible, durable, non-rigid surface with a distinctive velvet-like feel. Traditional moquette weave fabrics are made today from a wool nylon face with an interwoven cotton backing, and are ideally suited to applications such as public transport. Origin Moquette originated in France, where it was weaving, woven by hand. Named after the French word for carpet, its standard width was a Flanders, Flemish ell of 27 inches. There were two finishes: moquette ''velouté'', which had a cut pile like English Wilton, Wiltshire#Economy, Wilton carpet, and moquette ''bouclé'', which had an uncut pile like Brussels carpet. It is still woven in Yorkshire using traditional techniques. Uses In clothing Moquette is occasionally used in clothing. In 1932–33, the United States Army Air Corps contracted for cold-weather leather flight suits l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sotetsu 9000 Series
The is a DC electric multiple unit (EMU) type operated by the private railway operator Sagami Railway (Sotetsu) on commuter services in Kanagawa Prefecture, Japan, since 1993. Formations , the fleet consists of seven ten-car sets, numbered 9701 to 9707, formed as shown below with six motored ("M") cars and four non-powered trailer ("T") cars, and car 1 at the Yokohama end. Unrefurbished sets The unrefurbished sets are formed as follows. The motored cars each have one Pantograph (rail), pantograph. Refurbished sets The refurbished sets are formed as follows. The motored cars each have one pantograph. Interior Passenger accommodation consists mostly of longitudinal bench seating, but cars 5 and 8 include transverse seating bays. File:Sotetsu9000-Inside.jpg, Interior with longitudinal seating File:Sotetsu9000-Inside-2.jpg, Interior with transverse seating File:Sotetsu9000-seat-2.jpg, Transverse seating bay History The trains were built by Tokyu Car Corporation in Yok ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hitachi
() is a Japanese Multinational corporation, multinational Conglomerate (company), conglomerate founded in 1910 and headquartered in Chiyoda, Tokyo. The company is active in various industries, including digital systems, power and renewable energy, railway systems, Health care, healthcare products, and Financial system, financial systems. The company was founded as an electrical machinery manufacturing subsidiary of the Kuhara Mining Plant in Hitachi, Ibaraki by engineer Namihei Odaira in 1910. It began operating as an independent company under its current name in 1920. Hitachi is listed on the Tokyo Stock Exchange and is a key component of the Nikkei 225 and TOPIX Core30 indices. As of June 2024, it has a market capitalisation of 16.9 trillion yen, making it the fourth largest Japanese company by market value. In terms of global recognition, Hitachi was ranked 38th in the 2012 Fortune Global 500 and 129th in the 2012 Forbes Global 2000. Hitachi is a highly globalised conglomerat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tokyu Corporation
The , a contraction of and formerly until 2 September 2019, is a Japanese ''keiretsu'' or conglomerate headquartered in Shibuya, Tokyo. While a multinational corporation, its main operation is , a wholly-owned subsidiary operating railways in the Greater Tokyo Area. History The oldest predecessor of company was the , opened in 1908. The railway's operations were converted into a kabushiki gaisha (company) in 1910. Keita Gotō, now a notable Japanese industrialist, was appointed as the CEO in 1920 and he began a major expansion program. The most important predecessor was first registered on September 2, 1922, as the and is related to the construction of Den-en-chōfu. It was originally founded by the developers of Den-en-chōfu). It was acquired by the Musashi Electric Railway in 1924, shortly before Musashi was renamed into the , also known as the Toyoko, in the same year. After Musashi/Toyoko's acquisition, the Meguro-Kamata Electric Railway initially operated as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Private Railway
A private railway is a railroad run by a private business entity (usually a corporation but not need be), as opposed to a railroad run by a public sector. Japan In Japan, , commonly simply ''private railway'', refers to a public transit railway owned and operated by private sector, almost always organized as a joint-stock company, or in Japanese: kabushiki gaisha (), but may be any type of private business entity. Although the Japan Railways Group (JR Group) companies are also kabushiki gaishas, they are not classified as private railways because of their unique status as the primary successors of the Japanese National Railways (JNR). Voluntary sector railways (semi-public) are additionally not classified as ''shitetsu'' due to their origins as rural, money-losing JNR lines that have since been transferred to local possession, in spite of their organizational structures being corporatized. Among ''private railways'' in Japan, the categorizes 16 companies as "major" operators. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electric Multiple Unit
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. However, electrically powered single-unit railcars are also generally classed as EMUs. The vast majority of EMUs are passenger trains but versions also exist for carrying mail. EMUs are popular on intercity, commuter, and suburban rail networks around the world due to their fast acceleration and pollution-free operation, and are used on most rapid-transit systems. 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 ... [...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 trolley buses to collect power through contact with an overhead line. The term stems from the resemblance of some styles to the mechanical pantographs used for copying handwriting and drawings. The pantograph is a common type of current collector; typically, a single or double wire is used, with the return current running through the Rail profile, rails. Other types of current collectors include the bow collector and the trolley pole. Invention The pantograph, with a low-friction, replaceable graphite contact strip or "current collector, 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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Overhead Catenary
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, Electric multiple unit, electric multiple units, trolleybuses or trams. The generic term used by the International Union of Railways for the technology is ''overhead line''. It is known variously as overhead catenary, overhead contact line (OCL), overhead contact system (OCS), overhead equipment (OHE), overhead line equipment (OLE or OHLE), overhead lines (OHL), overhead wiring (OHW), traction wire, and trolley wire. An overhead line consists of one or more wires (or Overhead conductor rail, rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regularly spaced intervals along the track. The feeder stations are usually fed from a High voltage, high-voltage Electricity distribution, electrical grid. Overview Electric trains that collect their current from overhead lines use a de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Induction Motor
An induction motor or asynchronous motor is an AC motor, AC electric motor in which the electric current in the rotor (electric), rotor that produces torque is obtained by electromagnetic induction from the magnetic field of the stator winding. An induction motor therefore needs no electrical connections to the rotor. An induction motor's rotor can be either wound rotor motor, wound type or squirrel-cage rotor, squirrel-cage type. Three-phase Squirrel-cage rotor, squirrel-cage induction motors are widely used as industrial drives because they are self-starting, reliable, and economical. Single-phase electric power, Single-phase induction motors are used extensively for smaller loads, such as garbage disposals and stationary power tools. Although traditionally used for constant-speed service, single- and three-phase induction motors are increasingly being installed in variable-speed applications using variable-frequency drives (VFD). VFD offers energy savings opportunities for i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
