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Article: Decentralized Control of DC Electric Springs for Storage Reduction in DC Microgrids

TitleDecentralized Control of DC Electric Springs for Storage Reduction in DC Microgrids
Authors
KeywordsBattery energy storage
dc microgrids (MGs)
electric springs
power electronics
smart load
Issue Date2020
PublisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=63
Citation
IEEE Transactions on Power Electronics, 2020, v. 35 n. 5, p. 4634-4646 How to Cite?
AbstractSeries dc electric springs (series ESs) can tackle the intermittency of the renewable generations (RGs) with reduced storage capacity in dc microgrids (MGs). They can actively manipulate the power profiles of the serially connected noncritical loads (NCLs) to follow the fluctuating RG. In the process of regulating the dc bus voltages, the power rating of an NCL can affect the power of its corresponding series ES. If multiple series ESs with differently rated NCLs can be operated in a coordinative way, the total storage capacity of the series ESs can be potentially reduced. In this article, a decentralized controller is proposed to coordinate the operations of multiple series ESs such that the required storage capacity of the series ESs can be reduced. The conditions for achieving the minimum battery charging and discharging power are analytically derived. The stability analysis of the system as well as the design of the decentralized controller is provided. Experiment results on a 120-V dc grid confirmed that the proposed controller can effectively reduce the total storage capacity of the series ESs in dc MGs by 7.5%.
Persistent Identifierhttp://hdl.handle.net/10722/281694
ISSN
2023 Impact Factor: 6.6
2023 SCImago Journal Rankings: 3.644
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWANG, M-H-
dc.contributor.authorYan, S-
dc.contributor.authorTan, S-C-
dc.contributor.authorXu, Z-
dc.contributor.authorHui, SY-
dc.date.accessioned2020-03-22T04:18:24Z-
dc.date.available2020-03-22T04:18:24Z-
dc.date.issued2020-
dc.identifier.citationIEEE Transactions on Power Electronics, 2020, v. 35 n. 5, p. 4634-4646-
dc.identifier.issn0885-8993-
dc.identifier.urihttp://hdl.handle.net/10722/281694-
dc.description.abstractSeries dc electric springs (series ESs) can tackle the intermittency of the renewable generations (RGs) with reduced storage capacity in dc microgrids (MGs). They can actively manipulate the power profiles of the serially connected noncritical loads (NCLs) to follow the fluctuating RG. In the process of regulating the dc bus voltages, the power rating of an NCL can affect the power of its corresponding series ES. If multiple series ESs with differently rated NCLs can be operated in a coordinative way, the total storage capacity of the series ESs can be potentially reduced. In this article, a decentralized controller is proposed to coordinate the operations of multiple series ESs such that the required storage capacity of the series ESs can be reduced. The conditions for achieving the minimum battery charging and discharging power are analytically derived. The stability analysis of the system as well as the design of the decentralized controller is provided. Experiment results on a 120-V dc grid confirmed that the proposed controller can effectively reduce the total storage capacity of the series ESs in dc MGs by 7.5%.-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=63-
dc.relation.ispartofIEEE Transactions on Power Electronics-
dc.rightsIEEE Transactions on Power Electronics. Copyright © Institute of Electrical and Electronics Engineers.-
dc.rights©20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.-
dc.subjectBattery energy storage-
dc.subjectdc microgrids (MGs)-
dc.subjectelectric springs-
dc.subjectpower electronics-
dc.subjectsmart load-
dc.titleDecentralized Control of DC Electric Springs for Storage Reduction in DC Microgrids-
dc.typeArticle-
dc.identifier.emailTan, S-C: sctan@eee.hku.hk-
dc.identifier.emailHui, SY: ronhui@eee.hku.hk-
dc.identifier.authorityTan, S-C=rp01606-
dc.identifier.authorityHui, SY=rp01510-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TPEL.2019.2942604-
dc.identifier.scopuseid_2-s2.0-85081555682-
dc.identifier.hkuros309386-
dc.identifier.volume35-
dc.identifier.issue5-
dc.identifier.spage4634-
dc.identifier.epage4646-
dc.identifier.isiWOS:000534742000001-
dc.publisher.placeUnited States-
dc.identifier.issnl0885-8993-

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