NDLI: Consensus-based distributed cooperative control for microgrid voltage regulation and reactive power sharing

Content Provider	IEEE Xplore Digital Library
Author	He, Dawei Shi, Di Sharma, Ratnesh
Copyright Year	2014
Description	Author affiliation: NEC Laboratories America, Inc., Cupertino, and a Ph.D. student at School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA (He, Dawei) \|\| Energy Management Department at NEC Laboratories America, Inc., Cupertino, CA 95014, USA (Shi, Di; Sharma, Ratnesh)
Abstract	The centralized hierarchical control strategy has recently drawn much attention from researchers in the microgrid area. Primary control deals with power sharing among distributed generators (DGs). Secondary control is responsible for restoring the voltage and frequency back to their nominal values. However, there are two factors that presently limit the implementation of existing hierarchical control in a microgrid. First, the accuracy of reactive power sharing is low due to the difference in each DG's terminal voltage. Second, centralized high-bandwidth communication infrastructure is required, which is expensive and fragile, especially with high penetration of DGs. This paper presents a distributed cooperative control framework, which not only regulate the voltage at the critical bus, but also realize accurate reactive power sharing among DGs, using sparse communication with significantly lower bandwidth requirement. The proposed method is adaptive to network topology changes which supports the plug-and-play feature of microgrid. Performance of the proposed control is demonstrated through simulation results on a 4-bus microgrid testbed.
Starting Page	1
Ending Page	6
File Size	579743
Page Count	6
File Format	PDF
ISBN	9781479977208
DOI	10.1109/ISGTEurope.2014.7028803
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-12
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Microgrid Microgrids Droop control Control systems Voltage control Frequency control Reactive power Simulation Secondary control Consensus control Reactive power sharing Distributed generation
Content Type	Text
Resource Type	Article

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