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dc.contributor.authorProcházka R.
dc.contributor.authorŠefl O.
dc.date.accessioned2021-01-11T13:02:08Z
dc.date.available2021-01-11T13:02:08Z
dc.date.issued2020
dc.identifierV3S-345667
dc.identifier.citationPROCHÁZKA, R. and O. ŠEFL. Influence of Voltage Distortion Shape on Partial Discharge Activity in Internal Voids. In: 2020 International Conference on Diagnostics in Electrical Engineering (Diagnostika). Plzeň, 2020-09-01/2020-09-04. Institute of Electrical and Electronics Engineers, Inc., 2020. ISBN 978-1-7281-5879-2. DOI 10.1109/Diagnostika49114.2020.9214640. Available from: https://ieeexplore.ieee.org/document/9214640
dc.identifier.isbn978-1-7281-5880-8 (print)
dc.identifier.isbn978-1-7281-5879-2 (online)
dc.identifier.issn2464-7071 (print)
dc.identifier.urihttp://hdl.handle.net/10467/92500
dc.description.abstractElectrical insulation materials, especially polymers, may contain miniature internal voids. Insulation systems created from such materials might hence suffer from the development of partial discharges in the voids. These discharges tend to erode the insulation material, which further increases their magnitude and quantity and leads to a significant enhancement of the degradation rate. Lately, due to the high number of power electronic components connected to the grid, repetitive high-frequency distortions occur in the parts of the network adjacent to these devices. Such distortions may cause the inception of partial discharge, which would usually not happen.This paper thus researches the effect of high-frequency voltage distortions on partial discharges in an artificially created internal void. Test samples containing the artificial voids were prepared by fused filament fabrication (FFF) method from PET-G material using a standard 3D printer. The employed FFF method of sample preparation achieved satisfactory precision in both the shape and size of the voids. The main observed parameters were oscillation waveform's frequency and its phase shift relative to the supply voltage. PRPD patterns were gathered for a variety of different setups, and the influence of both parameters was evaluated.eng
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherInstitute of Electrical and Electronics Engineers, Inc.
dc.relation.ispartof2020 International Conference on Diagnostics in Electrical Engineering (Diagnostika)
dc.subjectPartial dischargeseng
dc.subjectinsulation systemeng
dc.subjecthigh voltage distortioneng
dc.titleInfluence of Voltage Distortion Shape on Partial Discharge Activity in Internal Voidseng
dc.typestať ve sborníkucze
dc.typeconference papereng
dc.identifier.doi10.1109/Diagnostika49114.2020.9214640
dc.rights.accessclosedAccess
dc.type.statusPeer-reviewed
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-85094867090
dc.relation.conference2020 International Conference on Diagnostics in Electrical Engineering (Diagnostika)


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