Study on Electromagnetic Transient Condition of EMU Passing by Phase-separation with Electric Load in High-speed Railway | Zendy

Xiaoxu Guo | Zendy; Wei Jian-zhong | Zendy; Long Xu | Zendy; Shibin Gao | Zendy; Zhengqing Han | Zendy

Open Access

Study on Electromagnetic Transient Condition of EMU Passing by Phase-separation with Electric Load in High-speed Railway

Author(s) -

Xiaoxu Guo,

Wei Jian-zhong,

Long Xu,

Shibin Gao,

Zhengqing Han

Publication year - 2013

Publication title -

energy and power engineering

Language(s) - English

Resource type - Journals

eISSN - 1949-243X

pISSN - 1947-3818

DOI - 10.4236/epe.2013.54b202

Subject(s) - transient (computer programming) , separation (statistics) , electrical engineering , materials science , phase (matter) , automotive engineering , mechanics , engineering , mechanical engineering , physics , computer science , operating system , quantum mechanics , machine learning

Aiming at the complex electromagnetic transient process of EMU passing by phase-separation with electric load in high-speed railway, mechanism of overvoltage caused by switching off, overvoltage caused by switching on and impact current is analyzed systematically in this article. π-type equivalent circuit of feeding section is put forward in the analysis of overvoltage mechanism. Overvoltage and overcurrent model of passing by phase-separation with electric load are also built. Correctness of mechanism was validated by simulation. In addition, the methods to solve the influence on substations, transformers and protection devices in this process are put forward, which provides a new idea on passing by phase-separation with electric load technology.

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