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Incipient Voltage Sensor Fault Isolation for Rectifier in Railway Electrical Traction Systems

Zhang, Kangkang, Jiang, Bin, Yan, Xinggang, Mao, Zehui (2017) Incipient Voltage Sensor Fault Isolation for Rectifier in Railway Electrical Traction Systems. IEEE Transactions on Industrial Electronics, 64 (8). pp. 6763-6774. ISSN 0278-0046. E-ISSN 1557-9948. (doi:10.1109/TIE.2017.2696463) (KAR id:61749)

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This paper proposes a dc voltage incipient sensor fault isolation method for single-phase three-level rectifier devices in high-speed railway electrical traction systems. Different incipient fault modes characterizing locations and incipient fault types are parameterized nonlinearly by unknown fault parameters. A new incipient fault isolation method is developed by combining sliding mode technique with nonlinear parametrization adaptive estimation technique. A bank of particular adaptive sliding mode estimators is proposed, which facilitates to derive new isolation residuals and adaptive threshold intervals. The isolability is studied, and the isolable sufficient condition is derived using new functions. For the practical electrical traction system in CRH2 (China Railway High-Speed 2), simulation and experiment based on TDCS-FIB (a software) are presented to verify the effectiveness and feasibility of the proposed method.

Item Type: Article
DOI/Identification number: 10.1109/TIE.2017.2696463
Uncontrolled keywords: Rail transportation, Observers, Uncertainty, Adaptation models, Inverters, Traction motors, Fault diagnosis
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Xinggang Yan
Date Deposited: 18 May 2017 16:03 UTC
Last Modified: 16 Feb 2021 13:45 UTC
Resource URI: (The current URI for this page, for reference purposes)
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