Energy Management of a Hybrid AC–DC Micro-Grid Based on a Battery Testing System

Bo Long, Taek Won Jeong, Jong Deuk Lee, Yoo Cheol Jung and Kil To Chong
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Bo Long: School of Mechanical, Electronic, and Industrial Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Taek Won Jeong: Department of Electronics & Information Engineering, Chonbuk National University, Jeonju 567, Korea
Jong Deuk Lee: Department of Electronics & Information Engineering, Chonbuk National University, Jeonju 567, Korea
Yoo Cheol Jung: Department of Software Engineering, Chonbuk National University, Jeonju 567, Korea
Kil To Chong: Department of Electronics & Information Engineering, Chonbuk National University, Jeonju 567, Korea

Energies, 2015, vol. 8, issue 2, 1-14

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.

Keywords: energy recovery; battery testing system; micro-grid; energy management (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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