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Conference Paper: Enhanced digital PI control with state-variable feedback loop for DC electric springs

TitleEnhanced digital PI control with state-variable feedback loop for DC electric springs
Authors
Yang, YTan, SCHui, SYR
KeywordsDC electric springs (DCES)
DC microgrids
Digital feedback control
Dynamic modeling
State-variable feedback
Issue Date2017
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000047
Citation
2017 IEEE Applied Power Electronics Conference and Exposition (APEC), Tampa, FL, USA, 26-30 March 2017. In Conference Proceedings, p. 1242-1247 How to Cite?
DOI: http://dx.doi.org/10.1109/APEC.2017.7930854
AbstractDC electric springs (DCES) have recently been proposed as a potential solution for resolving the issue of power supply-demand imbalance of DC microgrids caused by the fluctuations of intermittent renewable energy sources (RES). Existing control of DCES based on conventional PI compensation are designed for good steady-state performance. The dynamic performance of DCES has not been explored. In this paper, an enhanced digital PI control comprising a state-variable feedback loop, aimed at optimizing both the steady-state and transient performances of the DCES, is proposed. Experiment results show that with this control, faster transient of the DCES is achievable and that the DCES can rapidly tame the possible fluctuations of renewable energy sources in a 48 V DC test grid more effectively.
Persistent Identifierhttp://hdl.handle.net/10722/243321
ISSN
1048-2334

 

DC FieldValueLanguage
dc.contributor.authorYang, Y-
dc.contributor.authorTan, SC-
dc.contributor.authorHui, SYR-
dc.date.accessioned2017-08-25T02:53:17Z-
dc.date.available2017-08-25T02:53:17Z-
dc.date.issued2017-
dc.identifier.citation2017 IEEE Applied Power Electronics Conference and Exposition (APEC), Tampa, FL, USA, 26-30 March 2017. In Conference Proceedings, p. 1242-1247-
dc.identifier.issn1048-2334-
dc.identifier.urihttp://hdl.handle.net/10722/243321-
dc.description.abstractDC electric springs (DCES) have recently been proposed as a potential solution for resolving the issue of power supply-demand imbalance of DC microgrids caused by the fluctuations of intermittent renewable energy sources (RES). Existing control of DCES based on conventional PI compensation are designed for good steady-state performance. The dynamic performance of DCES has not been explored. In this paper, an enhanced digital PI control comprising a state-variable feedback loop, aimed at optimizing both the steady-state and transient performances of the DCES, is proposed. Experiment results show that with this control, faster transient of the DCES is achievable and that the DCES can rapidly tame the possible fluctuations of renewable energy sources in a 48 V DC test grid more effectively.-
dc.languageeng-
dc.publisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000047-
dc.relation.ispartofIEEE Applied Power Electronics Conference and Exposition Conference Proceedings-
dc.rightsIEEE Applied Power Electronics Conference and Exposition Conference Proceedings. Copyright © IEEE.-
dc.rights©2017 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.subjectDC electric springs (DCES)-
dc.subjectDC microgrids-
dc.subjectDigital feedback control-
dc.subjectDynamic modeling-
dc.subjectState-variable feedback-
dc.titleEnhanced digital PI control with state-variable feedback loop for DC electric springs-
dc.typeConference_Paper-
dc.identifier.emailTan, SC: sctan@eee.hku.hk-
dc.identifier.emailHui, SYR: ronhui@eee.hku.hk-
dc.identifier.authorityTan, SC=rp01606-
dc.identifier.authorityHui, SYR=rp01510-
dc.identifier.doi10.1109/APEC.2017.7930854-
dc.identifier.scopuseid_2-s2.0-85019991101-
dc.identifier.hkuros274774-
dc.identifier.hkuros281082-
dc.identifier.spage1242-
dc.identifier.epage1247-
dc.publisher.placeUnited States-
dc.identifier.issnl1048-2334-

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