The CRH380A Hexie (simplified Chinese: 和谐号; traditional Chinese: 和諧號; pinyin: Héxié Hào; literally: "Harmony") is a Chinese electric high-speed train that was developed by CSR Corporation Limited (CSR) and is currently manufactured by CSR Qingdao Sifang Locomotive & Rolling Stock Co., Ltd. As a continuation of the CRH2-380 program it both replaces foreign technology in the CRH2 with Chinese developments and increases its top speed. The CRH380A Hexie is designed to operate at a cruise speed of 350km/h and a maximum speed of 380km/h in commercial service. The original 8-car train-set recorded a top speed of 416.6km/h during a trial run. The longer 16-car train-set reached 486.1km/h.

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CRH380A Hexie is one of four Chinese train series which have been designed for the new standard operating speed of 380 km/h (236 mph) on newly constructed Chinese high-speed main lines. Officially, CRH380A Hexie is the only series of the four not based on a foreign design, and although it was not produced under a technology transfer agreement, there have been accusations that it is based on unlicensed Shinkansen technology.
The other three series are CRH380B, which uses technology from Siemens, CRH380C, with technology from Hitachi, and CRH380D, with technology from Bombardier Transportation.
CRH380A Hexie development started in early 2008 during the research of CRH2-300 (later CRH2C). CSR Corporation conducted more than 1000 technical tests covering 17 specific areas such as dynamic performance, pantograph-catenary current collection, aerodynamics, and traction performance. These studies enabled CSR to develop technology allowed for increased maximum speed, and the findings were fed into designs for the new-generation high-speed train.
The CRH380A Hexie original project was named "CRH2-350". On 2008, the Chinese Ministry of Science and Ministry of Railway (MOR) signed the Agreement on Joint and Independent Innovations of China High-speed Trains. CRH2-350 is one of the most important projects of this plan, the purpose of which is the development of Chinese-designed new-generation high speed trains with continuous operating speeds of 350km/h, and maximum operating speeds of 380km/h. The next generation of rolling stock is expected to be used on the Beijing–Shanghai high-speed railway. The CRH380A Hexie project officially launched in 2009, and was included in the "Eleventh Five-Year Plan"'s technology support program for developing technology and equipment for China' s high speed trains.
CRH380A Hexie designs were driven by analysis of data and operational experience from the Beijing–Tianjin high-speed rail. The Ministry of Railway completed an initial series of system and subsystem designs, then provided CSR Sifang with primary data and design. CSR presented more than 20 design variations. After further optimization, simulation and testing, the final design was published in an official conference held by Sifang on April 12, 2010 with significant changes to traction system, internal amenities and exterior carbody design. A train model was exhibited in May at the China Railway Pavilion in the Shanghai World Expo Park.
In 2009, Ministry of Railways awarded a contract for one hundred 16-car and forty 8-car new-generation high-speed trains from CSR Sifang Locomotive & Rolling Stock in a contract worth ¥45 billion (US$6.64 billion).

Hexie (Chinese: 和谐号; lit. 'Harmony'), also known as the CRH series EMU, or as the Hexie Hao, is an umbrella term for the multiple unit high-speed and higher-speed trains operated by China Railway under the China Railway High speed brand. All series of Hexie train 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 (Hexie) 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.
The Harmony (Hexie) brand has different electric multiple unit trainsets, the designs for which are imported from other nations and designated CRH-1 through CRH-5 and CRH380A(L), CRH380B(L), and CRH380C(L). CRH trainsets are intended to provide fast and convenient travel between cities. Some of the trainsets are manufactured locally through technology transfer, a key requirement for China.
#CRH380A #highspeedtrain #Hexie
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