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Article: Electric Springs—A New Smart Grid Technology

TitleElectric Springs—A New Smart Grid Technology
Authors
Issue Date2012
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165411
Citation
IEEE Transactions on Smart Grid, 2012, v. 3 n. 3, p. 1552-1561 How to Cite?
AbstractThe scientific principle of 'mechanical springs' was described by theBritish physicist Robert Hooke in the 1660’s. Since then, there has not been any further development of the Hooke’s law in the electric regime. In this paper, this technological gap is filled by the development of 'electric springs.' The scientific principle, the operating modes, the limitations, and the practical realization of the electric springs are reported. It is discovered that such novel concept has huge potential in stabilizing future power systems with substantial penetration of intermittent renewable energy sources. This concept has been successfully demonstrated in a practical power system setup fed by an ac power source with a fluctuating wind energy source. The electric spring is found to be effective in regulating the mains voltage despite the fluctuation caused by the intermittent nature of wind power. Electric appliances with the electric springs embedded can be turned into a new generation of smart loads, which have their power demand following the power generation profile. It is envisaged that electric springs, when distributed over the power grid, will offer a new form of power system stability solution that is independent of information and communication technology.
Persistent Identifierhttp://hdl.handle.net/10722/211383
ISSN
2015 Impact Factor: 3.19
2015 SCImago Journal Rankings: 4.784

 

DC FieldValueLanguage
dc.contributor.authorHui, SYR-
dc.contributor.authorLee, CK-
dc.contributor.authorWu, FF-
dc.date.accessioned2015-07-09T06:05:14Z-
dc.date.available2015-07-09T06:05:14Z-
dc.date.issued2012-
dc.identifier.citationIEEE Transactions on Smart Grid, 2012, v. 3 n. 3, p. 1552-1561-
dc.identifier.issn1949-3053-
dc.identifier.urihttp://hdl.handle.net/10722/211383-
dc.description.abstractThe scientific principle of 'mechanical springs' was described by theBritish physicist Robert Hooke in the 1660’s. Since then, there has not been any further development of the Hooke’s law in the electric regime. In this paper, this technological gap is filled by the development of 'electric springs.' The scientific principle, the operating modes, the limitations, and the practical realization of the electric springs are reported. It is discovered that such novel concept has huge potential in stabilizing future power systems with substantial penetration of intermittent renewable energy sources. This concept has been successfully demonstrated in a practical power system setup fed by an ac power source with a fluctuating wind energy source. The electric spring is found to be effective in regulating the mains voltage despite the fluctuation caused by the intermittent nature of wind power. Electric appliances with the electric springs embedded can be turned into a new generation of smart loads, which have their power demand following the power generation profile. It is envisaged that electric springs, when distributed over the power grid, will offer a new form of power system stability solution that is independent of information and communication technology.-
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.rightsIEEE Transactions on Smart Grid. Copyright © IEEE.-
dc.rights©2012 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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleElectric Springs—A New Smart Grid Technology-
dc.typeArticle-
dc.identifier.emailHui, SYR: ronhui@eee.hku.hk-
dc.identifier.emailLee, CK: cklee@eee.hku.hk-
dc.identifier.emailWu, FF: ffwu@eee.hku.hk-
dc.identifier.authorityHui, SYR=rp01510-
dc.identifier.authorityLee, CK=rp01580-
dc.identifier.authorityWu, FF=rp00194-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/TSG.2012.2200701-
dc.identifier.hkuros209253-
dc.identifier.volume3-
dc.identifier.issue3-
dc.identifier.spage1552-
dc.identifier.epage1561-
dc.publisher.placeUnited States-

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