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XIE Jiang-jian, WU Jun-yong, WU Yan. Modelling method for reliability of traction power supply system[J]. Journal of Traffic and Transportation Engineering, 2008, 8(5): 23-26.
Citation: XIE Jiang-jian, WU Jun-yong, WU Yan. Modelling method for reliability of traction power supply system[J]. Journal of Traffic and Transportation Engineering, 2008, 8(5): 23-26.
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Modelling method for reliability of traction power supply system

  • School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China

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  • Author Bio:

    XIE Jiang-jian (1988-), male, graduate student, +86-10-51687683, 07121994@bjtu.edu.cn

    WU Jun-yong (1966-), male, associate professor, PhD, +86-10-51687107, wujy@bjtu.edu.cn

  • Received Date: 2008-03-12
  • Publish Date: 2008-10-25
    Abstract
  • Using a fitting method based on genetic algorithm (GA), a reliability modelling method of traction power supply system based on Weibull distribution model was proposed.Southern Zhengzhou traction power supply system (TPSS) on Jing-Guang railway was taken an example, its real failure ratio data for 14 years were analyzed, the reliability models of all components of the system were established by the method, based on these, the reliability model of whole system was analyzed by using binary decision diagram (BDD) algorithm, and the life-span of the system was calculated.K-S and W2 goodness-of-fit test result shows that the modeling method is feasible.The computation result of the life-span indicates that the life-span of the system is 3.116 years, the life-span of catenary system is 3.215 years, the reliability of the system depends on the reliability of catenary system to large extent.

     

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