NDLI: Modeling and stability analysis of an active filter for DC current compensation

Content Provider	IEEE Xplore Digital Library
Author	Buticchi, G. Consolini, L. Lorenzani, E.
Copyright Year	2011
Description	Author affiliation: DISMI - Department of Science and Engineering Methods - University of Modena and Reggio Emilia - Italy (Lorenzani, E.) \|\| DII - Department of Information Engineering - University of Parma - Italy (Buticchi, G.; Consolini, L.)
Abstract	The widespread use of power converters and nonlinear loads connected to the grid have caused the emergence of problems regarding the power quality. Among different kind of non-linear distortion, there is the issue of the DC current component. In fact, a DC current component flowing in the grid transformers has various detrimental effects, i.e. increased harmonic distortion, increased power losses, and possible damage due to consequent overheating. This paper proposes a non-linear sensor and a compensator system that act as an active filter to remove the DC current component flowing in the power lines. In the first part, the strategy is outlined and then the stability issue is addressed by means of a simplified model. Simulation results confirmed that the simplified model closely approximates the real system. An approximated analysis of stability is also presented. Finally we present some experimental results that shows the effectiveness of the proposed solution.
Starting Page	3068
Ending Page	3073
File Size	517975
Page Count	6
File Format	PDF
ISBN	9781612848006
ISSN	07431546
e-ISBN	9781612848013
e-ISBN	9781612847993
DOI	10.1109/CDC.2011.6161159
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Mathematical model Saturation magnetization Stability analysis Power transformers Current measurement Current transformers
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Modeling and Simulation

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