应用于储能系统的双向DC-DC变换器研究

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Abstract Distributed energy has been widely developed and applied. Distributed generations(DGs) are mostly unstable electric sources, so a unified model in which energy storage systems are connected to the DC bus is proposed in this paper. Energy storage unit can stabilize energy fluctuation of DGs and improve power qualities. It is connected to DC bus through interleaved bidirectional DC/DC converter. In traditional occasions the inductor ripple of bidirectional DC/DC converters tend to be high and the inductor current of different phase are usually unbalanced. This paper proposes a novel phase-shifted current sharing control strategy to solve these problems. Experimental results are conducted to validate the effectiveness of the proposed strategy.

Key words： Distributed generation energy storage unit bidirectional DC/DC converter interleaved phase-shifted current sharing control

Received: 24 May 2012 Published: 25 March 2014

PACS:	TM46
	TM61

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	Articles by authors
	Wang Mian
	Tian Ye
	Li Tiemin
	Chen Guozhu

Cite this article:

Wang Mian,Tian Ye,Li Tiemin等. Study of Bidirectional DC-DC Converters Applied to Energy Storage System[J]. Transactions of China Electrotechnical Society, 2013, 28(8): 66-71.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I8/66

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