The application of a molecular sieve for drying the insulation system of a power transformer in terms of improving its perational reliability

• Autorzy: Cybulski Mateusz , Przybyłek Piotr

Identyfikatory

DOI

10.17531/ein.2022.3.11

• Języki publikacji: EN

Abstrakty

EN

The first research objective was the assessment of the selectivity of water and hydrogen adsorption by the 3A molecular sieve (MS) in the terms of the safety of using the DGA (Dissolved Gas Analysis) method as a diagnostic technique. The second objective was to demonstrate the efficiency of drying the insulation system consisting of cellulose insulation impregnated with various insulating liquids in terms of improving safety and extending the service life of power transformers. In order to achieve the assumed objectives, measurement systems were prepared and material tests were carried out, based mainly on chromatographic analyzes and measurements of water content using the Karl Fischer titration method. On the basis of the obtained test results and the conducted physical analyzes, the selectivity of MS sorption was shown and it was explained that the facilitator of the adsorption of water molecules is their polar nature related to their large dipole moment. The high efficiency of drying cellulose insulation impregnated with various insulating liquids using MS was also demonstrated.

Słowa kluczowe

EN

power transformer; insulation system; drying; molecular sieve; mineral oil; natural ester; synthetic ester

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2022
• Tom: Vol. 24, no. 3
• Strony: 502--509
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Cybulski Mateusz

• Poznan University of Technology, Institute of Electric Power Engineering, ul. Piotrowo 3, 60-965 Poznan, Poland

• https://orcid.org/0000-0001-8316-8842

autor

Przybyłek Piotr

• Poznan University of Technology, Institute of Electric Power Engineering, ul. Piotrowo 3, 60-965 Poznan, Poland

• https://orcid.org/0000-0002-5258-5894

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).