NDLI: Optimum Microgrid Design for Enhancing Reliability and Supply-Security

Content Provider	IEEE Xplore Digital Library
Author	Arefifar, S.A. Mohamed, Y.A.-R.I. El-Fouly, T.H.M.
Copyright Year	2010
Abstract	Microgrids are known as clusters of distributed energy resources serving a group of distributed loads in grid-connected and isolated grid modes. Nowadays, the concept of microgrids has become a key subject in the smart grid area, demanding a systematic procedure for their optimal construction. According to the IEEE Std 1547.4, large distribution systems can be clustered into a number of microgrids to facilitate powerful control and operation infrastructure in future distribution systems. However, clustering large systems into a set of microgrids with high reliability and security is not reported in current literature. To fill-out this gap, this paper presents a systematic and optimized approach for designing microgrids taking into account system reliability- and supply-security-related aspects. The optimum design considers sustained and temporary faults, for system reliability via a combined probabilistic reliability index, and real and reactive power balance, for supply security. The loads are assumed to be variable and different distributed generation (DG) technologies are considered. Conceptual design, problem formulation and solution algorithms are presented in this paper. The well-known PG&E 69-bus distribution system is selected as the test system. The effect of optimization coefficients on the design and the robustness of the algorithm are investigated using sensitivity studies.
Starting Page	1567
Ending Page	1575
Page Count	9
File Size	1170758
File Format	PDF
ISSN	19493053
Volume Number	4
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microgrids Indexes Reliability engineering Security Linear programming Reactive power tabu search Graph partitioning microgrid power imbalance reliability supply-security
Content Type	Text
Resource Type	Article
Subject	Computer Science

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