TWI654630B

The objective of the invention is to provide an oil-filled transformer wherein the heat-dissipating characteristics and the strength of the tank, and a size reduction of the oil-filled transformer, have been taken into consideration. In order to attain this objective, the oil-filled transformer whic...

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Bibliographic Details
Main Authors KUWABARA, MASANAO, KUDO, NAOMICHI, ISHIZUKI, JUNICHI, YAMAZAKI, MIKI
Format Patent
LanguageChinese
Published 21.03.2019
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:The objective of the invention is to provide an oil-filled transformer wherein the heat-dissipating characteristics and the strength of the tank, and a size reduction of the oil-filled transformer, have been taken into consideration. In order to attain this objective, the oil-filled transformer which is filled with an insulating oil houses an iron core-coil assembly assembled from an iron core and a coil inside the tank, wherein the tank has a bottom plate, a flange for mounting a lid, and a trunk section comprising a side plate located between the flange and the bottom plate, the trunk section having a plurality of embossed parts formed on the surface thereof, and the trunk section being constituted by welding the side plate having the embossed parts formed thereon into a cylindrical shape, wherein a weld section is constituted by welding in such a manner as to overlap some of the embossed parts.
Bibliography:Application Number: TW20180107252