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1

School of Mechanical, Electronic, and Industrial Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

2

Department of Electronics & Information Engineering, Chonbuk National University, Jeonju 567, Korea

3

Department of Software Engineering, Chonbuk National University, Jeonju 567, Korea





*

Author to whom correspondence should be addressed.



Abstract Energy Recovery Battery Testing Systems ERBTS plays an important role in battery manufacture. The conventional ERBTS configuration contains a fundamental transformer, and a bidirectional Direct Current DC–DC and Alternating Current AC–DC converter. All ERBTS are connected in parallel, thus constituting a special and complicated AC micro-grid system. Aiming at addressing their low energy recovery efficiency, complex grid-connected control algorithm issues for islanded detection, and complicated power circuit topology issues, a hierarchical DC-link voltage hybrid AC–DC micro-grid that contains composite energy storing devices is proposed. Moreover, an energy management optimal scheme for the proposed scheme is put forward. The system configuration of the proposed scheme is described in detail. Compared to the conventional scheme, the proposed scheme has the merits of simplified power circuit topology, no need for phase synchronous control, and much higher energy recovery efficiency and reliability. The validity and effectiveness of the proposed technique is verified through numerous experimental results. View Full-Text

Keywords: energy recovery; battery testing system; micro-grid; energy management energy recovery; battery testing system; micro-grid; energy management





Autor: Bo Long 1, Taek Won Jeong 2, Jong Deuk Lee 2, Yoo Cheol Jung 3 and Kil To Chong 2,*

Fuente: http://mdpi.com/



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