NDLI: Stability analysis and design of droop control method in dq frame for connection in parallel of distributed energy resources

Content Provider	IEEE Xplore Digital Library
Author	Planas, E. Gil-de-Muro, A. Andreu, J. Kortabarria, I. de Alegria, I.M.
Copyright Year	2012
Description	Author affiliation: University of the Basque Country, UPV/EHU, 48013 Bilbao, Spain (Planas, E.; Andreu, J.; Kortabarria, I.; de Alegria, I.M.) \|\| TECNALIA, Energy Unit. Parque Tecnologico de Bizkaia, 48160 Derio, Spain (Gil-de-Muro, A.)
Abstract	Droop control method is usually used when distributed energy sources are connected in parallel. The absence of communications between the distributed energy resources and its flexibility are some of its advantages. Moreover, a fictitious impedance can be added which improves the performance of the original technique. This fictitious impedance has to be properly designed in order to obtain a good stability and performance of the system. On the other hand, a restoration control that brings frequency and voltage amplitude of the microgrid to their nominal values is used in some cases. In this article, a linear model of a droop controlled microgrid with fictitious impedance and restoration control is implemented. Thanks to this linear model, an optimal fictitious impedance can be designed. Moreover, the influence of a proposed restoration control on the whole system can be studied. This way, the dynamic of the restoration control can be properly chosen. The stability as well as nominal values of frequency and voltage amplitude are guaranteed. Simulation results of the system confirm the validity of the proposed design.
Starting Page	5683
Ending Page	5688
File Size	1275771
Page Count	6
File Format	PDF
ISBN	9781467324199
ISSN	1553572X
e-ISBN	9781467324212
e-ISBN	9781467324205
DOI	10.1109/IECON.2012.6389057
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-25
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Artificial intelligence
Content Type	Text
Resource Type	Article

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