Dielectric and mechanical assessment of Kraft and Diamond Dotted paper aged with commercial vegetable oil

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URI: http://hdl.handle.net/10902/21723
ISBN: 978-1-7281-8983-3
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Autoría
Franquet Martínez, Jordà; Fernández Diego, InmaculadaAutoridad Unican; Ortiz Fernández, AlfredoAutoridad Unican
Fecha
2020
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© 2020 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
Publicado en
3rd IEEE International Conference on Dielectrics (ICD), Valencia, 2020, 696-699
Editorial
Institute of Electrical and Electronics Engineers, Inc.
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Resumen/Abstract
The use of vegetable oil (natural ester) in electrical devices like power transformers is increasing due to their high biodegradability and better safety. The lifespan of power trans- formers is mainly defined by cellulose insulation condition, which usually works together with dielectric oil as electrical insulation and also as mechanical winding protector and compactor. That is why the aim and results of this research shows us not only the dielectric parameters evolution, but also the relationship between the mechanical factors and the moisture content of thermal accelerated ageing processes, with commercial vegetable oil, of Kraft paper and Diamond Dotted Paper (DDP). These are two of the most common insulating materials in electric power transformers. In addition, the new tests have been done by a different method of paper ageing analysis.
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