基于全桥隔离双向变换器的直流变换技术

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Abstract This paper studied the phase-shift angle selection of dual active bridge (DAB) converter. The adjustable range of the phase-shift angle is classified to ensure the current stress of DAB is minimized in condition of the identical transmission power. The reactive circulating current of the converter with phase-shift control is quantitatively analyzed, and the changing characteristics of the reactive power are researched. The battery charging and discharging management scheme using variable switching frequency DAB is proposed, to improve the efficiency of the converter and prolong the lifetime of battery. At last, a 2.5kW experimental platform is established and the experimental results prove the correctness of the theoretical analysis.

Key words： Phase-shift angle reactive circulating current reactive power charging and discharging management scheme

Received: 17 February 2014 Published: 03 March 2016

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TM46

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	Articles by authors
	Shi Changli
	Tang Xisheng
	Li Ningning
	Zhang Guowei
	Sun Yushu

Cite this article:

Shi Changli,Tang Xisheng,Li Ningning等. DC Changing Technologies Based on Dual-Active-Bridge Converter[J]. Transactions of China Electrotechnical Society, 2016, 31(2): 121-127.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I2/121

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