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

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dc.contributor.author Olszewski, Oskar Z.
dc.contributor.author Houlihan, Ruth
dc.contributor.author Mathewson, Alan
dc.contributor.author Jackson, Nathan
dc.date.accessioned 2016-11-29T15:21:11Z
dc.date.available 2016-11-29T15:21:11Z
dc.date.issued 2016-11
dc.identifier.citation Olszewski, 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.volume 757 en
dc.identifier.issued 1 en
dc.identifier.startpage 012039-1 en
dc.identifier.endpage 012039-6 en
dc.identifier.issn 1742-6588
dc.identifier.uri http://hdl.handle.net/10468/3322
dc.identifier.doi 10.1088/1742-6596/757/1/012039
dc.description.abstract This 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.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher IOP Publishing en
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.uri https://creativecommons.org/licenses/by/3.0/ en
dc.subject Piezoelectric energy harvester en
dc.subject Energy scavenger en
dc.subject Mechanical resonance en
dc.subject AC current en
dc.title A low frequency MEMS energy harvester scavenging energy from magnetic field surrounding an AC current-carrying wire en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Zbigniew Olszewski, MNS (Circuits and Systems), Tyndall National Institute, University College Cork, Cork, Ireland, E: zbigniew.olszewski@tyndall.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Enterprise Ireland en
dc.contributor.funder Analog Devices en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Journal of Physics: Conference Series en
dc.internal.copyrightchecked !!CORA!! en
dc.internal.IRISemailaddress zbigniew.olszewski@tyndall.ie en


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© 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. Except where otherwise noted, this item's license is described as © 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.
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