ITM Web Conf.
Volume 19, 2018Computer Applications in Electrical Engineering (ZKwE’2018)
|Number of page(s)
|21 September 2018
Applying of hygroscopic materials to dry transformer insulation
Poznan University of Technology, Institute of Electric Power Engineering, Piotrowo 3A, 60-965 Poznan, Poland
Corresponding author: firstname.lastname@example.org
The problems related to the effects of high moisture content in the transformer insulation system and the risk resulting from the need for its immediate drying can be avoided by using a non-invasive method of continuous drying of solid insulation by means of high hygroscopic sorbents. The article compared the hygroscopicity of selected sorbents: molecular sieves 3A, 5A and 13X, aluminum oxide and silica gel. It was found that the highest hygroscopicity, for a low value of relative air humidity, is characterized by a 13X molecular sieve. For this reason, this material was selected for further testing by checking its ability to dry mineral oil.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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