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Hankyu 8300 Series
The is an electric multiple unit (EMU) train type operated in Japan by the private railway operator Hankyu Railway , trading as , is a Japanese private railway company that provides commuter and interurban service to the northern Kansai region and is one of the flagship properties of Hankyu Hanshin Holdings Inc., in turn part of the Hankyu Hanshin Toho Gro ... since 1989. Formations As of 1 April 2012, the fleet consists of 84 vehicles formed as five 8-car sets, four 6+2-car sets, and two 6-car sets which normally run coupled with 2-car 7300 series sets. 8-car sets * The "Mc1" and "M1" cars are each fitted with two scissors-type pantographs. * The "Mc1" and "M1" cars of set 8315 are each fitted with two single-arm pantographs. * Sets from 8303 onward have a modified front end design. 2+6-car sets * The "Mc1" and "M1" cars are each fitted with two scissors-type pantographs. 2+6-car mixed 7300/8300 series sets * The "Mc", "Mc1", and "M1" cars are each fitted with two ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hankyu Railway
, trading as , is a Japanese private railway company that provides commuter and interurban service to the northern Kansai region and is one of the flagship properties of Hankyu Hanshin Holdings Inc., in turn part of the Hankyu Hanshin Toho Group (which includes H2O Retailing Corporation and Toho Co., the creator of ''Godzilla''). The railway's main terminal is at Umeda Station in Osaka. The signature color of Hankyu cars is maroon. The Hankyu network serves 1,950,000 people every weekday and offers several types of express service with no extra charge. The head offices of Hankyu Hanshin Holdings, Inc. and Hankyu Corporation are at 1-16-1, Shibata, Kita-ku, Osaka; the both companies' registered headquarters are at 1-1, Sakaemachi, Ikeda, Osaka Prefecture. The Takarazuka Revue, an all-female musical theatre performance company, is well known as a division of the Hankyu railway company; all of its members are employed by Hankyu. History Etymology The name is an abbreviation o ... [...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] |
Electric Multiple Units Of Japan
Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Various common phenomena are related to electricity, including lightning, static electricity, electric heating, electric discharges and many others. The presence of an electric charge, which can be either positive or negative, produces an electric field. The movement of electric charges is an electric current and produces a magnetic field. When a charge is placed in a location with a non-zero electric field, a force will act on it. The magnitude of this force is given by Coulomb's law. If the charge moves, the electric field would be doing work on the electric charge. Thus we can speak of electric potential at a certain point in space, which is equal to the work done by an external agent in carrying a unit of p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pantograph (rail)
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] |
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, 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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hankyu 7300 Series
The is an electric multiple unit (EMU) train type operated in Japan by the private railway operator Hankyu Railway since 1982. Formations , the fleet consists of 83 cars formed as eight-car, six-car, and two-car sets as follows, with one car spare. 8-car sets * The "Mc" and "M" cars are each fitted with two scissors-type Pantograph (rail), pantographs. 2+6-car sets * The "Mc" and "M" cars are each fitted with two scissors-type pantographs. 2-car sets * The "Mc" cars are each fitted with two scissors-type pantographs. Interior Passenger accommodation consists of longitudinal bench seating throughout. History The 7300 series trains were introduced from 1982. File:Hankyu-Series7300-R-7320F.jpg, The first refurbished set, set 7320, in July 2018 File:阪急7300系7306F.jpg, The second refurbished set, set 7306, in April 2020 References Electric multiple units of Japan Hankyu Railway, 7300 series Train-related introductions in 1982 {{DEFAULTSORT:Hankyu 7300 series 1 ... [...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] |
Overhead Catenary
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 are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hankyu Kyoto Main Line
The is a railway line in Japan operated by the private railway operator Hankyu Railway. It connects Osaka-umeda Station in Osaka and Kyoto-kawaramachi Station in Kyoto. Definition The Kyoto Main Line is often called the for short, and in a broader sense its two branch lines, the Hankyu Senri Line, Senri Line and the Hankyu Arashiyama Line, Arashiyama Line, are included to the Kyoto Line by historical, geographical and structural reasons. The other two sections of Hankyu, the Kobe Line and the Takarazuka Line are called the as a whole. Officially, the Kyoto Main Line is from Jūsō to Kyoto-kawaramachi, however, all trains run beyond Jūsō to Osaka-umeda terminal, using the eastern tracks of the section exclusively. Hankyu treats the Kyoto Main Line in the same way as the passengers do, i.e. as the line between Osaka-umeda and Kyoto-kawaramachi (except for special circumstances such as governmental procedures). History The Kyoto Main Line was constructed in the following phas ... [...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 turned ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Variable Frequency Drive
A variable-frequency drive (VFD) is a type of motor drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and, depending on topology, to control associated voltage or current variation., quote is per definition on p. 4 of NEMA Standards Publication ICS 7.2-2021. VFDs may also be known as 'AFDs' (adjustable-frequency drives), 'ASDs' (adjustable-speed drives), 'VSDs' (variable-speed drives), 'AC drives', 'micro drives', 'inverter drives' or, simply, 'drives'. VFDs are used in applications ranging from small appliances to large compressors. An increasing number of end users are showing greater interest in electric drive systems due to more stringent emission standards and demand for increased reliability and better availability. Systems using VFDs can be more efficient than those using throttling control of fluid flow, such as in systems with pumps and damper control for fans. However, the global market penetration fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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