动车组网压中断快速检测及应对策略

doi:10.19595/j.cnki.1000-6753.tces.L80618

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Abstract The interruption of the network voltage caused by the pantograph off-line has a serious adverse impact on the long-term safe and reliable operation of the electric multiple units (EMU) converter system and potential safety hazards. This paper introduces the system configuration and grid-side converter current control method based on the existing traction system of EMU. The influence of network voltage interruption to the system is also analyzed. Two fast detection methods for network voltage interruption are proposed, which are called “detection method based on active current determination” and “detection method based on change of phase angle of phase-locked loop”. Some solutions are introduced to suppress current surge when network voltage recover. A network voltage interruption simulation experiment platform is set up. Through a network voltage interruption simulation scheme, the feasibility of the rapid detection method of network voltage interruption proposed in this paper, and the effectiveness of current impact suppression measures are provided, which provide the technology for the safe and reliable operation of the EMU traction system under the condition of non ideal flow.

Key words： Traction system pantograph offline network voltage interruption PWM rectifier

Received: 05 July 2018 Published: 02 January 2020

PACS:

TM614

Corresponding Authors: 中央高校基本科研基金资助项目（2018JBZ004）

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	Articles by authors
	Zhang Gang
	Guo Changjun
	Hao Fengjie
	Liu Zhigang

Cite this article:

Zhang Gang,Guo Changjun,Hao Fengjie等. The Rapid Detection and Countermeasures for Network Voltage Interruption in Electric Multiple Units[J]. Transactions of China Electrotechnical Society, 2019, 34(zk2): 770-780.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80618 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/Izk2/770

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