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Energies 2016, 9(3), 217; doi:10.3390/en9030217

Modeling and Control of the Distributed Power Converters in a Standalone DC Microgrid

School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191, China
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Author to whom correspondence should be addressed.
Academic Editor: João P. S. Catalão
Received: 25 January 2016 / Revised: 13 March 2016 / Accepted: 14 March 2016 / Published: 18 March 2016
(This article belongs to the Special Issue Distributed Renewable Generation)

Abstract

A standalone DC microgrid integrated with distributed renewable energy sources, energy storage devices and loads is analyzed. To mitigate the interaction among distributed power modules, this paper describes a modeling and control design procedure for the distributed converters. The system configuration and steady-state analysis of the standalone DC microgrid under study are discussed first. The dynamic models of the distributed converters are then developed from two aspects corresponding to their two operating modes, device-regulating mode and bus-regulating mode. Average current mode control and linear compensators are designed accordingly for each operating mode. The stability of the designed system is analyzed at last. The operation and control design of the system are verified by simulation results. View Full-Text
Keywords: standalone DC microgrid; dynamic modeling and control; distributed converters; bidirectional buck-boost converter standalone DC microgrid; dynamic modeling and control; distributed converters; bidirectional buck-boost converter
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lu, X.; Wan, J. Modeling and Control of the Distributed Power Converters in a Standalone DC Microgrid. Energies 2016, 9, 217.

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