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Conference Paper: Electric springs for improving transient stability of micro-grids in islanding operations

TitleElectric springs for improving transient stability of micro-grids in islanding operations
Authors
KeywordsMicro-grid
Droop control
3-ph ES
Islanding
Transient stability
Issue Date2015
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1002943
Citation
The 2015 IEEE Energy Conversion Congress and Exposition (ECCE), Montreal, QC., 20-24 September 2015. In Conference Proceedings, 2015, p. 5843-5850 How to Cite?
AbstractMicro-grids fed with small synchronous generators and intermittent renewable power sources are generally considered as weak power grids unless very large energy storages are incorporated as the energy buffer. Auxiliary techniques are needed to improve their stability when transient interrupts occur. In this paper, the 3-ph Electric Spring (ES) is studied to improve the stability of the micro-grid in transient operations. The power compensation characteristics of the 3-ph ES are firstly analyzed. The linear relationships between decoupled d and q components of ES voltage and real and reactive power of smart load enable the ES to conduct frequency and voltage regulation simultaneously. The f-Vesd and V-Vesq droop control is further developed to coordinate the operation of multiple ESs distributed along a distribution line. The transient stability issues of the micro-grid under study are analyzed in detail. Simulation results show that the 3-ph ES implemented with f-Vesd and V-Vesq droop control can react swiftly to fast transient changes of micro-grids including intentional islanding, unintentional islanding, and sudden load changes.
Persistent Identifierhttp://hdl.handle.net/10722/222027
ISBN

 

DC FieldValueLanguage
dc.contributor.authorYan, S-
dc.contributor.authorLuo, X-
dc.contributor.authorTan, SC-
dc.contributor.authorHui, SYR-
dc.date.accessioned2015-12-21T05:52:58Z-
dc.date.available2015-12-21T05:52:58Z-
dc.date.issued2015-
dc.identifier.citationThe 2015 IEEE Energy Conversion Congress and Exposition (ECCE), Montreal, QC., 20-24 September 2015. In Conference Proceedings, 2015, p. 5843-5850-
dc.identifier.isbn978-1-4673-7151-3-
dc.identifier.urihttp://hdl.handle.net/10722/222027-
dc.description.abstractMicro-grids fed with small synchronous generators and intermittent renewable power sources are generally considered as weak power grids unless very large energy storages are incorporated as the energy buffer. Auxiliary techniques are needed to improve their stability when transient interrupts occur. In this paper, the 3-ph Electric Spring (ES) is studied to improve the stability of the micro-grid in transient operations. The power compensation characteristics of the 3-ph ES are firstly analyzed. The linear relationships between decoupled d and q components of ES voltage and real and reactive power of smart load enable the ES to conduct frequency and voltage regulation simultaneously. The f-Vesd and V-Vesq droop control is further developed to coordinate the operation of multiple ESs distributed along a distribution line. The transient stability issues of the micro-grid under study are analyzed in detail. Simulation results show that the 3-ph ES implemented with f-Vesd and V-Vesq droop control can react swiftly to fast transient changes of micro-grids including intentional islanding, unintentional islanding, and sudden load changes.-
dc.languageeng-
dc.publisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1002943-
dc.relation.ispartofIEEE Energy Conversion Congress and Exposition (ECCE)-
dc.rightsIEEE Energy Conversion Congress and Exposition (ECCE). Copyright © IEEE.-
dc.rights©2015 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.subjectMicro-grid-
dc.subjectDroop control-
dc.subject3-ph ES-
dc.subjectIslanding-
dc.subjectTransient stability-
dc.titleElectric springs for improving transient stability of micro-grids in islanding operations-
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.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1109/ECCE.2015.7310480-
dc.identifier.hkuros256491-
dc.identifier.spage5843-
dc.identifier.epage5850-
dc.publisher.placeUnited States-
dc.customcontrol.immutablesml 160104-

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