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China Railway CRH2
The CRH2 Hexie () is one of the high-speed train models in China. The CRH2 is based on the E2-1000 Series Shinkansen design from Japan with the license purchased from a consortium formed of Kawasaki Heavy Industries, Mitsubishi Electric, and Hitachi, and represents the second Shinkansen train model to be exported. In 2004, the Ministry of Railway in China purchased an initial 60 sets of the train from Kawasaki Heavy Industries with a maximum speed of . However, the newer versions of the CRH2 are not related to the E2-1000 Series despite having the same exterior shell. Variants CRH2A On October 20, 2004, the Ministry of Railway in China ordered 60 sets of CRH2A trains from Kawasaki Heavy Industries in Japan. Along with 60 sets of Bombardier's Regina-based CRH1A, and 40 sets of Alstom's Pendolino-based CRH5A, these train sets are consider as first batch of CRH trains. Each of the CRH2A set consists of 8 cars. The first 3 sets (CRH2-001A - CRH2-003A) were built in Jap ...
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Kawasaki Heavy Industries
is a Japanese Public company, public multinational corporation manufacturer of motorcycles, engines, Heavy equipment (construction), heavy equipment, aerospace and Military, defense equipment, rolling stock and ships, headquartered in Minato, Tokyo, Minato, Tokyo, Japan. It is also active in the production of industrial robots, gas turbines, pumps, boilers and other industrial products. The company is named after its founder, Kawasaki Shōzō, Shōzō Kawasaki. KHI is known as one of the three major heavy industrial manufacturers of Japan, alongside Mitsubishi Heavy Industries and IHI Corporation, IHI. Prior to the World War II, Second World War, KHI was part of the Kobe Kawasaki ''zaibatsu'', which included JFE Holdings, Kawasaki Steel and K Line, Kawasaki Kisen. After the conflict, KHI became part of the DKB Group (''keiretsu''). History Kawasaki Shōzō, Shōzō Kawasaki, born in 1836, was involved with the marine industry from a young age. He was involved with two offshore ...
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Insulated-gate Bipolar Transistor
An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily forming an electronic switch. It was developed to combine high efficiency with fast switching. It consists of four alternating layers (NPNP) that are controlled by a metal–oxide–semiconductor (MOS) gate structure. Although the structure of the IGBT is topologically similar to 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) for motor control in electric cars, trains, variable-speed refrigerators, and air conditioners, as well as lamp ballasts, arc-welding machines, photovoltaic and hybrid inverters, uninterruptible power supply systems (UPS), and induction stoves. Since it is designed to turn on and off rapidly, the IGBT can synthesize complex ...
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CRH2A-2260&2011 At Xiamen Railway Station 20170727
CRH may refer to: * Calibre radius head, a traditional British ordnance term for a concept in ballistic projectile design * Celtic Resources Holdings, an Irish mining company * China Railway High-speed, a high-speed railway service operated by China Railway * Choate Rosemary Hall, a private boarding school in Wallingford, Connecticut * Coin roll hunting, the hobby of searching change pulled from circulation for collectible coins * Combat Rescue Helicopter (HH-60W), being developed for the US Air Force based on the Sikorsky UH-60 Black Hawk * Corticotropin-releasing hormone, a polypeptide hormone and neurotransmitter involved in the stress response * Council on Religion and the Homosexual, an American LGBT rights organization * CRH plc, a building materials company, based in Ireland * Crimean Tatar language Crimean Tatar (), also called Crimean (), is a Turkic languages, Turkic language spoken in Crimea and the Crimean Tatar diasporas of Uzbekistan, Turkey and Bulgaria, as well ...
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JRE Shinkansen E2 Series-0 And 1000
JRE can mean *Java Runtime Environment *''The Joe Rogan Experience'' *JR East, see East Japan Railway Company The is a major passenger railway company in Japan and the largest of the seven Japan Railways Group companies. The company name is officially abbreviated as JR-EAST or JR East in English, and as in Japanese. The company's headquarters are in ... * Jeunes Restaurateurs d’Europe {{disambig ...
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Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea in the south. The Japanese archipelago consists of four major islands—Hokkaido, Honshu, Shikoku, and Kyushu—and List of islands of Japan, thousands of smaller islands, covering . Japan has a population of over 123 million as of 2025, making it the List of countries and dependencies by population, eleventh-most populous country. The capital of Japan and List of cities in Japan, its largest city is Tokyo; the Greater Tokyo Area is the List of largest cities, largest metropolitan area in the world, with more than 37 million inhabitants as of 2024. Japan is divided into 47 Prefectures of Japan, administrative prefectures and List of regions of Japan, eight traditional regions. About three-quarters of Geography of Japan, the countr ...
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China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after India, representing 17.4% of the world population. China spans the equivalent of five time zones and Borders of China, borders fourteen countries by land across an area of nearly , making it the list of countries and dependencies by area, third-largest country by land area. The country is divided into 33 Province-level divisions of China, province-level divisions: 22 provinces of China, provinces, 5 autonomous regions of China, autonomous regions, 4 direct-administered municipalities of China, municipalities, and 2 semi-autonomous special administrative regions. Beijing is the country's capital, while Shanghai is List of cities in China by population, its most populous city by urban area and largest financial center. Considered one of six ...
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Hexie (train)
Hexie (), also known as the CRH series EMU, is an umbrella term for the multiple unit High-speed rail, high-speed and Higher-speed rail, higher-speed trains operated by China Railway under the China Railway High-speed brand. All series of Hexie are based on foreign-developed technology and later manufactured locally in China through technology transfer licenses, with the ultimate goal of China acquiring the know-how and capability to produce high-speed rail trains. The Harmony series does not belong to any single platform, instead encompassing all high-speed trains in China with roots in foreign technology, specifically CRH1, CRH2, CRH3 and CRH5. Although later variants of Hexie such as CRH380A were designed by Chinese companies, they are still classified as CRH due to incorporation of foreign technology. History In 2007, China's Ministry of Railways (China), Ministry of Railways drafted a plan for China's future high-speed network. Bombardier Transportation, Kawasaki Heavy Ind ...
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Electronically Controlled Pneumatic Brakes
Electronically controlled pneumatic brakes are a type of railway braking systems. Overview Traditional train braking systems use pneumatic valves to control and generate brake applications on the cars along the length of the train. In general, this conventional system consists of a brake pipe that runs the length of the train which supplies air to reservoirs mounted on each of the cars. When the brake pipe and car components are charged with air, the brakes release. When the engineer needs to make a brake application, control valves in the locomotive reduce the brake pipe pressure. As the brake pipe pressure is reduced, the service portions on each car divert air from their reservoirs to their brake cylinders. To release the brakes, the engineer charges the brake pipe. This method of controlling the brakes on freight and passenger cars has remained virtually unchanged since its invention by George Westinghouse in 1868. The conventional braking system suffers from many weakness ...
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Regenerative Brake
Regenerative braking is an energy recovery mechanism that slows down a moving vehicle or object by converting its kinetic energy or potential energy into a form that can be either used immediately or stored until needed. Typically, regenerative brakes work by driving an electric motor in reverse to recapture energy that would otherwise be lost as heat during braking, effectively turning the traction motor into a generator. Feeding power backwards through the system like this allows the energy harvested from deceleration to resupply an energy storage solution such as a battery or a capacitor. Once stored, this power can then be later used to aid forward propulsion. Because of the electrified vehicle architecture required for such a braking system, automotive regenerative brakes are most commonly found on hybrid and electric vehicles. This method contrasts with conventional braking systems, where excess kinetic energy is converted to unwanted and wasted heat due to friction ...
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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 ...
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Overhead Line
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 ...
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Zhuzhou CRRC Times Electric
Zhuzhou CRRC Times Electric Co. Ltd., abbreviated as TEC, is a Chinese train manufacturer. It is headquartered in Zhuzhou, Hunan Province. The company is a prominent maker of traction systems for locomotives, electric multiple units and urban transit train applications, which generates of the company's total sales. Despite both CRRC Times Electric and intermediate parent company CRRC were listed companies, the ultimate largest shareholder was the Central Government of China, via SASAC and CRRC Group. Since 5 September 2016 CRRC Times Electric is a constituent of Hang Seng China Enterprises Index. History Predecessors The parent company of the predecessors and current direct parent entity of Zhuzhou CRRC Times Electric, Zhuzhou Electric Locomotive Research Institute, was found in 1959 by the Ministry of Railways. (now known as , formerly CSR Zhuzhou Electric Locomotive Research Institute Co., Ltd., abb. CRRC ZELRI; subsidiary of listed company CRRC). In 2002, Zhuzhou Elec ...
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