基于超级电容的城市轨道交通车辆再生制动能量吸收系统

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Abstract This paper presents an energy storage system based on ultra-capacitor to absorbing the regenerating energy of urban railway vehicles and releasing the energy when the train starts, which can cut down the energy waste. A modular power conversion scheme is proposed to accommodate the application of different electric supply system, where several modules are connected in series to endure high supply voltage. Multi-phase power conversion topology is adopted to share the high current, and a dual-loop control system is proposed to realize the bidirectional energy flow and achieve input voltage balance in series modules. A voltage balance scheme is also introduced to guarantee that the ultra-capacitor works reliably and efficiently, which consists of cells equalization in groups and voltage balancing between the groups. At last, a small scale prototype is build and the experimental results validate the feasibility of power conversion strategy.

Key words： Regenerating energy energy storage system bidirectional DC/DC converter ultra-capacitor auto voltage balancing

Received: 21 January 2009 Published: 04 March 2014

PACS:

TM463

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	Articles by authors
	Xu Aiguo
	Xie Shaojun
	Yao Yuan
	Liu Xiaobao
	Xiao Huafeng
	Feng Jingjing

Cite this article:

Xu Aiguo,Xie Shaojun,Yao Yuan等. Regenerating Energy Storage System Based on Ultra-Capacitor for Urban Railway Vehicles[J]. Transactions of China Electrotechnical Society, 2010, 25(3): 117-123.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I3/117

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