LAPSE:2019.0189
Published Article
LAPSE:2019.0189
Master⁻Slave Based Hierarchical Control for a Small Power DC-Distributed Microgrid System with a Storage Device
Seung-Woon Lee, Bo-Hyung Cho
January 31, 2019
In this paper, we analyze one of the main drawbacks of droop control-based DC microgrid systems, and propose a novel control method to overcome this problem. Typically, DC microgrid systems use droop control techniques to enable communication independency and expandability. However, as these advantages are based on bus quality and regulation abandonment, droop-based schemes have limitations in terms of high bus impedance and bus regulation. This paper proposes a novel master⁻slave based hierarchical control technique for a DC distribution system, in which a DC bus signaling method is used to overcome the communication dependency and the expandability limitations of conventional master⁻slave control methods. The concept and design considerations of the proposed control method are presented, and a 1 kW simulation under a Powersim (PSIM) environment and hardware prototype—built to verify the system—is described.
Keywords
bus quality, communication-less master–slave, DC microgrid with ESS, master–slave control with battery
Suggested Citation
Lee SW, Cho BH. Master⁻Slave Based Hierarchical Control for a Small Power DC-Distributed Microgrid System with a Storage Device. (2019). LAPSE:2019.0189
Author Affiliations
Lee SW: Department of Electrical Engineering, Seoul National University 301-617, DaeHak-dong, GwanAk-gu, Seoul 151-742, Korea
Cho BH: Department of Electrical Engineering, Seoul National University 301-617, DaeHak-dong, GwanAk-gu, Seoul 151-742, Korea
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Journal Name
Energies
Volume
9
Issue
11
Article Number
E880
Year
2016
Publication Date
2016-10-27
Published Version
ISSN
1996-1073
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PII: en9110880, Publication Type: Journal Article
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LAPSE:2019.0189
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doi:10.3390/en9110880
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Jan 31, 2019
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Jan 31, 2019
 
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Original Submitter
Calvin Tsay
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