A Novel Droop Control Method for Distribution Loss Minimization in DC Microgrids with Decentralized Communication

Title
A Novel Droop Control Method for Distribution Loss Minimization in DC Microgrids with Decentralized Communication
Authors
김래영
Keywords
Distributed generations; dc microgrids; droop control; decentralized communication
Issue Date
2015-06
Publisher
IEEE
Citation
Power Electronics and ECCE Asia (ICPE-ECCE Asia), 2015 9th International Conference , Page. 1-8
Abstract
Dc microgrids including grid-tied inverter, energy storage system, and distributed generations have the advantage of high efficiency as compared to the ac system. Droop control has been realized to suppress the current mismatching among distributed sources. However, the conventional droop control involves distribution loss due to the line impedance. In this paper, a novel droop control is proposed to minimize the distribution loss by adjusting controllable droop coefficient. The control objective of the novel droop control is that energy storage system supplies the most adjacent load with their energy within rated power. Hence, the distribution loss can be minimized significantly by tracking the new reference voltage in order to maintain same output voltage of each converter. Simulation results based on PSCAD/EMTDC are provided to verify proposed droop control method.
URI
http://ieeexplore.ieee.org/document/7167825/?tp=&arnumber=7167825http://hdl.handle.net/20.500.11754/25817
ISBN
978-8-9570-8254-6
ISSN
2150-6086; 2150-6078
DOI
http://dx.doi.org/10.1109/ICPE.2015.7167825
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ETC
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