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dc.contributor.authorMartínez, Raquel
dc.contributor.authorArroyo, Alberto
dc.contributor.authorPigazo, Alberto
dc.contributor.authorManana, Mario
dc.contributor.authorBayona Blanco, Eduardo 
dc.contributor.authorAzcondo, Francisco J.
dc.contributor.authorBustamante, Sergio
dc.contributor.authorLaso, Alberto
dc.date.accessioned2023-03-14T08:12:31Z
dc.date.available2023-03-14T08:12:31Z
dc.date.issued2022-12
dc.identifier.urihttp://hdl.handle.net/10259/7540
dc.description.abstractPower-quality events and operation transients in power systems (PS) with isolated neutral can saturate inductive voltage transformers (IVT), which, when interacting with the overhead and underground cable capacitances, can cause ferroresonance events in the local PS. This abnormal operating mode can partially or totally damage the transformers and switchgears within the affected PS. Distribution system operators (DSO) can minimize these effects by detecting ferroresonance events accurately and fast enough and changing the mode of operation accordingly. Direct detection methods, i.e., based on voltage measurements, are reliable, but the massive deployment of this solution is relatively expensive; i.e., power quality analyzers cost thousands of USD. Alternatively, indirect detection methods are also available, e.g., IVT vibration measurements with accelerometers costing hundreds of USD, but their reliability depends on the installation method used. This manuscript proposes using the acoustic noise caused by magnetostriction forces within the IVT core during ferroresonance events to detect their occurrence. Compared to other indirect methods, electret condenser microphones with preamplifying stage cost less than USD 10 and are less sensitive to the installation procedure. The proposed method is validated experimentally, and its performance compared to IVT vibration measurements one by using the same detection methodology.en
dc.description.sponsorshipThis work was partially financed by the EU Regional Development Fund (FEDER) and the Spanish Government under RETOS-COLABORACION RTC-2017-6782-3, the Spanish Ministry of Science and Innovation under project PID2021-128941OB-I00, and by the European Union’s Horizon 2020 research and innovation program under grant agreement No. 864579 (FLEXIGRID).en
dc.format.mimetypeapplication/pdf
dc.language.isoenges
dc.publisherMDPIen
dc.relation.ispartofSensors. 2022, V. 23, n. 1, 195en
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectFerroresonance detectionen
dc.subjectInductive voltage transformeren
dc.subjectPotential transformeren
dc.subject.otherElectrotecniaes
dc.subject.otherElectrical engineeringen
dc.titleAcoustic Noise-Based Detection of Ferroresonance Events in Isolated Neutral Power Systems with Inductive Voltage Transformersen
dc.typeinfo:eu-repo/semantics/articlees
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.relation.publisherversionhttps://doi.org/10.3390/s23010195es
dc.identifier.doi10.3390/s23010195
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/RTC-2017-6782-3/ES/Localización de averías, monitorización de estado y control redes de Baja Tensión/LOCATE/es
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica, Técnica y de Innovación 2021-2023/PID2021-128941OB-I00/ES/TRANSFORMACION EFICIENTE DE LA ENERGIA EN ENTORNOS INDUSTRIALES/es
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/864579/EU/Interoperable solutions for implementing holistic FLEXIbility services in the distribution GRID/FLEXIGRID/en
dc.identifier.essn1424-8220
dc.journal.titleSensorsen
dc.volume.number23es
dc.issue.number1es
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones


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