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Article: A Distributed Framework for Stability Evaluation and Enhancement of Inverter-Based Microgrids

TitleA Distributed Framework for Stability Evaluation and Enhancement of Inverter-Based Microgrids
Authors
KeywordsDistributed method
Inverter-based distributed generator
Microgrid
Small-disturbance stability
Issue Date2017
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165411
Citation
IEEE Transactions on Smart Grid, 2017, v. 8 n. 6, p. 3020-3034 How to Cite?
AbstractIn this paper, a distributed framework is established to evaluate and improve the small-disturbance stability of a microgrid with inverter-based distributed generators (DGs). First, we propose a distributed protocol such that a selected pilot DG bus collects necessary data from finite steps of communication between physically neighbouring buses. Then, we design an algorithm that enables the pilot DG bus to reconstruct the system dynamic Jacobian matrix from the data and carry out stability evaluation locally. Further, if the evaluation result does not meet a preset requirement, we develop a distributed successive linear programming algorithm to enhance the system stability via sparse communication among a minority of DG buses. The proposed algorithms have high efficiency and versatility—they apply to lossy microgrids with either radial or meshed topology under various operation scenarios. Moreover, the control actions for stability enhancement preserve the predefined economic dispatch and power sharing schemes. The results are validated by the case study of a 14-bus microgrid.
Persistent Identifierhttp://hdl.handle.net/10722/243088
ISSN
2019 Impact Factor: 8.267
2015 SCImago Journal Rankings: 4.784
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSong, Y-
dc.contributor.authorHill, DJ-
dc.contributor.authorLiu, T-
dc.contributor.authorZheng, Y-
dc.date.accessioned2017-08-25T02:49:52Z-
dc.date.available2017-08-25T02:49:52Z-
dc.date.issued2017-
dc.identifier.citationIEEE Transactions on Smart Grid, 2017, v. 8 n. 6, p. 3020-3034-
dc.identifier.issn1949-3053-
dc.identifier.urihttp://hdl.handle.net/10722/243088-
dc.description.abstractIn this paper, a distributed framework is established to evaluate and improve the small-disturbance stability of a microgrid with inverter-based distributed generators (DGs). First, we propose a distributed protocol such that a selected pilot DG bus collects necessary data from finite steps of communication between physically neighbouring buses. Then, we design an algorithm that enables the pilot DG bus to reconstruct the system dynamic Jacobian matrix from the data and carry out stability evaluation locally. Further, if the evaluation result does not meet a preset requirement, we develop a distributed successive linear programming algorithm to enhance the system stability via sparse communication among a minority of DG buses. The proposed algorithms have high efficiency and versatility—they apply to lossy microgrids with either radial or meshed topology under various operation scenarios. Moreover, the control actions for stability enhancement preserve the predefined economic dispatch and power sharing schemes. The results are validated by the case study of a 14-bus microgrid.-
dc.languageeng-
dc.publisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165411-
dc.relation.ispartofIEEE Transactions on Smart Grid-
dc.subjectDistributed method-
dc.subjectInverter-based distributed generator-
dc.subjectMicrogrid-
dc.subjectSmall-disturbance stability-
dc.titleA Distributed Framework for Stability Evaluation and Enhancement of Inverter-Based Microgrids-
dc.typeArticle-
dc.identifier.emailHill, DJ: dhill@eee.hku.hk-
dc.identifier.emailLiu, T: taoliu@hku.hk-
dc.identifier.emailZheng, Y: zhy9639@hku.hk-
dc.identifier.authorityHill, DJ=rp01669-
dc.identifier.authorityLiu, T=rp02045-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TSG.2017.2684426-
dc.identifier.scopuseid_2-s2.0-85037055457-
dc.identifier.hkuros274694-
dc.identifier.hkuros293571-
dc.identifier.volume8-
dc.identifier.issue6-
dc.identifier.spage3020-
dc.identifier.epage3034-
dc.identifier.isiWOS:000413244600048-
dc.publisher.placeUnited States-
dc.identifier.issnl1949-3053-

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