An accurate model of the power electronic transformer-based train traction system (PET-TTS) is essential for stability analysis. However, in most of the existing impedance modeling of PET-TTS, the complex frequency coupling effects (FCEs) are barely focused, which reduces the accuracy of modeling, and the stability analysis suffers from degraded correctness. To tackle this, first, this article constructs a frequency-shift path analysis to reveal the generation mechanism of the mirror-frequency coupling and high-frequency coupling in the PET-TTS. Then, the dual-harmonic linearization (DHL) modeling method is proposed to improve the model accuracy and reduce the model complexity. Afterward, a complete single-input single-output (SISO) impedance model of the PET-TTS with FCEs is derived in the stationary frame. With this model, the impedance characteristic and FCE features are analyzed, and the stability of PET-TTS with and without considering the FCEs is analyzed and compared. Eventually, the suggested model and relevant analysis are validated by the simulations and experimental tests.


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    Titel :

    Dual-Harmonic Linearization Modeling and Analysis of Power Electronic Transformer- Based Train Traction System


    Beteiligte:
    Lin, Chunxu (Autor:in) / Wang, Huimin (Autor:in) / Ge, Xinglai (Autor:in) / Ji, Xinyu (Autor:in) / Wang, Kexin (Autor:in) / Zuo, Yun (Autor:in)


    Erscheinungsdatum :

    01.02.2025


    Format / Umfang :

    4191392 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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