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Jesteś gościem nr:
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Szczegóły artykułu:

Wydawnictwo: Computer Applications in Electrical Engineering

Numer: 14/2016 Str: 148


Autorzy: Grzegorz Dombek, Zbigniew Nadolny, Piotr Przybyłek


Tytuł: The role of the type of insulating liquid in the transformer temperature distribution


Streszczenie: The mineral oil is most frequently used liquid in insulation transformer system. However, increased interest in alternative insulating liquid for it, which includes synthetic ester and natural ester is observable for several years. However, for several years, the increased interest in insulating liquids as alternatives to mineral oil is observable, which include synthetic ester and natural ester. This is due to increasingly restrictive environmental legislation and fire safety. Mineral oil, in comparison with esters has a very good electric insulation properties and a lower viscosity. In turn the esters in comparison with oil, have a much greater biodegradability and have a much higher flash point, which suggests their favor. The influence of the type of insulating liquid on the efficiency of the cooling system of the transformer was presented in the paper. This efficiency was determined by designating the heat transfer coefficient α by liquids. This factor depends on the thermal prope


Słowa kluczowe: mineral oil, synthetic ester, natural ester, power transformers


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