城轨牵引供电系统多尺度和多物理域建模仿真方法

doi:10.19595/j.cnki.1000-6753.tces.210883

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Abstract The actual operation of the urban rail transit traction power supply system involves the coupling effect of electrical, magnetic, thermal, mechanical and other physical domains, as well as the change process of multiple time and space scales. However, the traditional modeling and simulation method has scale separation and single mechanism, which is difficult to describe and analyze the state of multi-scale and multi-physical domain of the system. Therefore, a multi-scale and multi-physical domain modeling and simulation method for the urban rail traction power supply system was proposed. The system level modeling framework of multi-scale and multi-physical domain was designed by the Simscape platform and the idea of modularization, componentization and visualization modeling. Based on the parallel cooperative interaction strategy, a multi-scale simulation method with adaptive observation mode was proposed to realize the organic and efficient combination of multi-scale models. Based on hierarchical multi-domain feedback, a system level multi-physical domain simulation method was proposed to ensure the coupling interaction simulation of the multi-physical domain model. Finally, the effectiveness of the proposed modeling and simulation method was verified by simulation. It is shown that the multi-scale and multi-physical domain models can describe the macro and micro characteristics of the system in multiple physical domains, and characterize the actual physical process of the system operation.

Key words： Urban rail traction power supply system multi-scale multi-physical domain parallel collaborative interaction hierarchical multi-domain feedback

Received: 17 June 2021

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TM74

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	Zhang Gang
	Wang Yunda
	Liu Zhigang
	Yu Hong
	Qiu Ruichang

Cite this article:

Zhang Gang,Wang Yunda,Liu Zhigang等. Multi-Scale and Multi-Physical Domain Modeling and Simulation Method for Urban Rail Traction Power Supply System[J]. Transactions of China Electrotechnical Society, 2022, 37(12): 3097-3107.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.210883 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I12/3097

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