Estimation for the Moisture Content of Oil-immersed Insulating Pressboard Using Dielectric Characteristic Parameter

DOI

10.2991/eee-19.2019.7How to use a DOI?

Keywords

Integral value of dielectric loss factor, Moisture content, Frequency domain spectroscopy

Abstract

The prevailing method based upon the oil-paper balance curve for evaluating the moisture content in transformer pressboard is faced with serval limitations. Therefore, the aim of this paper is to report an available approach to accurate predict the moisture content of pressboard. The published researches reveal that there exists an obvious variation law between moisture content and relevant dielectric response characteristic parameter. Consequently, the variation law between moisture content and the integral value of dielectric loss factor is studied in this work. Further, the functional relationship between integral value and moisture content is established by fitting analysis. Finally, the purpose of quantitative evaluation of moisture content is realized.

Copyright

© 2019, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Yu-bo Zhang
AU  - Da-jian Li
AU  - Hai-jun Yan
AU  - Jian Zhao
PY  - 2019/07
DA  - 2019/07
TI  - Estimation for the Moisture Content of Oil-immersed Insulating Pressboard Using Dielectric Characteristic Parameter
BT  - Proceedings of the 2nd International Conference on Electrical and Electronic Engineering (EEE 2019)
PB  - Atlantis Press
SP  - 36
EP  - 40
SN  - 2352-5401
UR  - https://doi.org/10.2991/eee-19.2019.7
DO  - 10.2991/eee-19.2019.7
ID  - Zhang2019/07
ER  -