A low frequency MEMS energy harvester scavenging energy from magnetic field surrounding an AC current-carrying wire

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dc.contributor.authorOlszewski, Oskar Zbigniew
dc.contributor.authorHoulihan, Ruth
dc.contributor.authorMathewson, Alan
dc.contributor.authorJackson, Nathan
dc.contributor.funderEnterprise Irelanden
dc.contributor.funderAnalog Devicesen
dc.date.accessioned2016-11-29T15:21:11Z
dc.date.available2016-11-29T15:21:11Z
dc.date.issued2016-11
dc.description.abstractThis paper reports on a low frequency piezoelectric energy harvester that scavenges energy from a wire carrying an AC current. The harvester is described, fabricated and characterized. The device consists of a silicon cantilever with integrated piezoelectric capacitor and proof-mass that incorporates a permanent magnet. When brought close to an AC current carrying wire, the magnet couples to the AC magnetic field from a wire, causing the cantilever to vibrate and generate power. The measured average power dissipated across an optimal resistive load was 1.5 μW. This was obtained by exciting the device into mechanical resonance using the electro-magnetic field from the 2 A source current. The measurements also reveal that the device has a nonlinear response that is due to a spring hardening mechanism.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationOlszewski, O. Z., Houlihan, R., Mathewson, A., and Jackson, N. (2016) ‘A low frequency MEMS energy harvester scavenging energy from magnetic field surrounding an AC current-carrying wire’, Journal of Physics: Conference Series, 757, 012039 (6pp). doi:en
dc.identifier.doi10.1088/1742-6596/757/1/012039
dc.identifier.endpage012039-6en
dc.identifier.issn1742-6588
dc.identifier.issued1en
dc.identifier.journaltitleJournal of Physics: Conference Seriesen
dc.identifier.startpage012039-1en
dc.identifier.urihttps://hdl.handle.net/10468/3322
dc.identifier.volume757en
dc.language.isoenen
dc.publisherIOP Publishingen
dc.rights© 2016, The Authors. Published under licence by IOP Publishing Ltd. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.en
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/en
dc.subjectPiezoelectric energy harvesteren
dc.subjectEnergy scavengeren
dc.subjectMechanical resonanceen
dc.subjectAC currenten
dc.titleA low frequency MEMS energy harvester scavenging energy from magnetic field surrounding an AC current-carrying wireen
dc.typeArticle (peer-reviewed)en
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