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10 August 2023 Study on the electromagnetic ring network in bilateral power supply mode of electrified railway
Heng Wang, Kexin Wang, Shengjun Zhou, Tongxun Wang, Yaqiong Li
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Proceedings Volume 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023); 127483O (2023) https://doi.org/10.1117/12.2689582
Event: 5th International Conference on Information Science, Electrical and Automation Engineering (ISEAE 2023), 2023, Wuhan, China
Abstract
The electromagnetic loop network problem of power system is a kind of power network problem that evolves with the development of power grid. In order to avoid the further spread of the problems caused by the electromagnetic ring network, the open-loop operation mode is widely used in the power grid below 500kV to reduce the impact on the power system. In electrified railways, the same phase connection of adjacent traction substations can be achieved through bilateral power supply technology, which increases the terminal voltage level of the traction network. However, an electromagnetic loop network is formed at the 27.5kV traction feeder. The purpose of this paper is to study the generation mechanism of electromagnetic ring network and its influence to power system under bilateral power supply technology. Theoretical support and technical guidance are provided for engineering practice and trial operation.
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Heng Wang, Kexin Wang, Shengjun Zhou, Tongxun Wang, and Yaqiong Li "Study on the electromagnetic ring network in bilateral power supply mode of electrified railway", Proc. SPIE 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023), 127483O (10 August 2023); https://doi.org/10.1117/12.2689582
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KEYWORDS
Power supplies
Power grids
Electromagnetism
Analytical research
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