Transformer health indices calculation considering hot-spot temperature and load index

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URI: http://hdl.handle.net/10902/13349
ISSN: 0883-7554
ISSN: 1558-4402
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Author
Ortiz Fernández, FélixAutoridad Unican; Ortiz Fernández, AlfredoAutoridad Unican; Delgado San Román, FernandoAutoridad Unican; Fernández Diego, InmaculadaAutoridad Unican; Santisteban Díaz, AgustínAutoridad Unican; Cavallini, Andrea
Date
2017-03-01
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© 2017 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
IEEE Electrical Insulation Magazine, 2017, 33(2), 35-43
Publisher
Institute of Electrical and Electronics Engineers Inc.
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Palabras clave
Health index
Hot spot temperature
Transformers
Dielectric oil
Abstract:
The state of a transformer depends on many parameters, which should be taken into account to determine its actual condition. In recent years what is known as health indices of transformers has been defined, which is a practical tool to assess the overall status of these electrical devices. Data from field inspection, laboratory tests, and observations during operation of the transformer are combined. All of these result in an index that provides fairly objective and quantitative information as to the condition of the transformer [1].
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