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Jung, Jee-Hoon
Advanced Power Interface & Power Electronics Lab (APIPEL)
Research Interests
  • Power Converter, wireless power transfer, smart power interface, digital control system,

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Autonomous Control Strategy of DC Microgrid for Islanding mode using Power Line Communication

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Title
Autonomous Control Strategy of DC Microgrid for Islanding mode using Power Line Communication
Author
Jeong, Dong-KeunKim, Ho-SungBaek, Ju-WonKim, Hee-JeJung, Jee-Hoon
Keywords
DC microgrid; DC-bus signaling (DBS); autonomous control strategy; power management algorithm; power line communication; recovery control strategy; moving average
Issue Date
201804
Publisher
MDPI AG
Citation
ENERGIES, v.11, no.4, pp.924 -
Abstract
This paper proposes a DC-bus signaling (DBS) method for autonomous power management in a DC microgrid, used to improve its reliability. Centralized power management systems require communication between the power sources and loads. However, the DBS method operates based on the common DC-bus voltage and does not require communication. Based on the DC-bus voltage band, the DC-bus voltage can be used to inform the status of the DC-bus in various scenarios. The DC microgrid operates independently to maintain the system stably in the DC-bus voltage band. The DC microgrid can be divided into a grid-connected mode and an islanding mode. This paper proposes a control strategy based on power management of various independent components in islanding mode. In addition, the autonomous control method for switching the converter’s operation between grid-connected mode and islanding mode is proposed. A DC microgrid test bed consisting of a grid-connected AC/DC converter, a bidirectional DC/DC converter, a renewable energy simulator, DC home appliances and a DC-bus protector is used to test the proposed control strategy. The proposed autonomous control strategy is experimentally verified using the DC microgrid test bed.
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DOI
http://dx.doi.org/10.3390/en11040924
ISSN
1996-1073
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ECE_Journal Papers
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[Energies2018]Autonomous Control Strategy of DC Microgrid for Islanding Mode Using Power Line Communication_Vol11No924Apr2018.pdfDownload

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