China_Railways_DJ1

China Railways DJ1

China Railways DJ1

Class of Chinese electric locomotives

The China Railways DJ1 is a high power mainline electric freight locomotive built as a double locomotive unit of two nominally independent single cab units.

Quick Facts DJ1, Type and origin ...

History and design

The locomotives are based on a technology transfer agreement between Siemens and Zhuzou Electric locomotive works (ZELW). The first three locomotives were built by Siemens in Austria, and the remaining 17 were built in China.[3]

The electrical components in the locomotive are based upon Siemens' EuroSprinter design (second generation using water-cooled GTO inverters).[3] The traction motors are asynchronous AC type, and are nose suspended on the axle, regenerative electric braking is possible with a braking force of approximately 460 kN (100,000 lbf), and an electric braking power of 6.4 MW (8,600 hp), overall efficiency of the machine is more than 85%.[1]

3 of the units were manufactured by Siemens in Austria, the remaining 17 in China; the first locomotive was produced in 2001.[4] The first china manufactured unit was produced in 2002.[5] Production of the locomotive ended in 2003.[1]

The locomotives were used to haul coal trains on the Daqin line.[3]

As more powerful locomotive models HXD1 and HXD2 entered Daqin line since 2006, the 20 DJ1s were allocated to Xi'an Railway Bureau to haul freight trains running between Baoji and Qinling.[citation needed]

See also

References

  1. [1]
    "Siemens Traction Equipment Ltd., Zhuzhou" (PDF), cn.siemens.com (in English and Chinese), Siemens, pp. 5, pp.8–9, archived from the original (PDF) on 2013-09-21
  2. [2]
    Heavy Freight Double-Locomotive DJ1 for Chinese Railways (CR) www.siemens.cz [dead link]
  3. [3]
    "Electric locomotives : Reference List" (PDF), www.mobility.siemens.com, Siemens, Electric Double Locomotive DJ1 for China Railways CR, p.39, archived from the original (PDF) on 2012-07-22, retrieved 2012-06-29
  4. [4]
    "First roll out for China locomotive contract", Asia Pacific Rail, 1 July 2001, archived from the original on 31 January 2016
  5. [5]
    Sino-foreign joint production of heavy-duty electric locomotives off the assembly line, Xinhua, 8 July 2002, archived from the original on December 7, 2014
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