Modeling oil-paper insulation frequency domain spectroscopy based on its microscopic dielectric processes

Xie, Jiacheng and Dong, Ming and Hu, Yizhuo and Zhuang, Tianxin Zhuang and Albarracín Sánchez, Ricardo and Rodríguez Serna, Johnatan Mauricio (2019). Modeling oil-paper insulation frequency domain spectroscopy based on its microscopic dielectric processes. "IEEE Transactions on Dielectrics and Electrical Insulation", v. 26 (n. 6); pp. 1788-1796. ISSN 1070-9878. https://doi.org/10.1109/TDEI.2019.008155.

Description

Title: Modeling oil-paper insulation frequency domain spectroscopy based on its microscopic dielectric processes
Author/s:
  • Xie, Jiacheng
  • Dong, Ming
  • Hu, Yizhuo
  • Zhuang, Tianxin Zhuang
  • Albarracín Sánchez, Ricardo
  • Rodríguez Serna, Johnatan Mauricio
Item Type: Article
Título de Revista/Publicación: IEEE Transactions on Dielectrics and Electrical Insulation
Date: December 2019
ISSN: 1070-9878
Volume: 26
Subjects:
Freetext Keywords: Dielectric response; Oil-paper insulation; Thermally stimulated depolarization current; Space charge relaxation
Faculty: E.T.S.I. Diseño Industrial (UPM)
Department: Ingeniería Eléctrica, Electrónica Automática y Física Aplicada
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The present study sets out to devise a universal function model to explain the characteristic curve obtained in the frequency domain spectroscopy (FDS) test on oil-paper insulation, based on its microscopic conduction and relaxation processes, and thus to enhance the accuracy and applicability of the test. First, from the analysis of the relationship between the real and imaginary parts of the dielectric's complex permittivity, it is demonstrated that a relaxation peak co-exists with the conduction process in the low-frequency band of an FDS curve obtained for oil-impregnated paper sample. Second, values for polarization barrier heights, essential to the determination of the microscopic polarization mechanisms, are presented as results of FDS and thermally stimulated depolarization current experiments carried out on oil-impregnated paper samples. The polarization peaks obtained in the imaginary permittivity frequency spectrum are determined as, respectively, space charge polarization and interface polarization. Finally, a function model in good agreement with experiment data is proposed, which quantitatively describes the FDS curve in oil-impregnated sample, including two relaxation processes and one conduction process.

More information

Item ID: 64367
DC Identifier: http://oa.upm.es/64367/
OAI Identifier: oai:oa.upm.es:64367
DOI: 10.1109/TDEI.2019.008155
Official URL: https://ieeexplore.ieee.org/document/8924108
Deposited by: Memoria Investigacion
Deposited on: 16 Oct 2020 07:40
Last Modified: 16 Oct 2020 07:40
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