Reliability and Life Evaluation of a DC Traction Power Supply System Considering Load Characteristics

Chen, Yilin, Tian, Zhongbei ORCID: 0000-0001-7295-3327, Roberts, Clive, Hillmansen, Stuart and Chen, Minwu
(2021) Reliability and Life Evaluation of a DC Traction Power Supply System Considering Load Characteristics. IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION, 7 (3). pp. 958-968.

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The traction power supply system is one of the most important parts of a railway system, which is responsible for providing electricity to power the running trains and other operating equipment. The performance of the power supply has a profound impact on the railway system. Therefore, it is necessary to conduct research on the reliability of the power supply system considering traction load and ensure it is highly reliable. This article introduces some reliability-related indexes based on the fault tree analysis (FTA) method and proposes a method to evaluate the system reliability of a dc-electrified railway. The effect of traction load on power supply system reliability is studied based on Institute of Electronics Engineers (IEEE) standards. A dynamic reliability and life evaluation model is built up to evaluate the reliability of traction substation and to develop a plan to reduce the operational risk of the power system. Through analysis of a practical example of the Singapore East-West line, the system reliability and remaining useful life of each traction substation are obtained. The outcome from this study provides guidance for the maintenance and future operation plan of the power system.

Item Type: Article
Uncontrolled Keywords: Reliability, Power system reliability, Rail transportation, Substations, Traction power supplies, Reliability engineering, Transportation, DC power supply, fault tree analysis (FTA), reliability evaluation, traction load, traction power supply system (TPSS)
Divisions: Faculty of Science and Engineering > School of Electrical Engineering, Electronics and Computer Science
Depositing User: Symplectic Admin
Date Deposited: 25 Aug 2021 10:11
Last Modified: 18 Jan 2023 21:32
DOI: 10.1109/TTE.2020.3047512
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