Oil-filled transformer and production method for tank used therein

Oil-filled transformer and production method for tank used therein

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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Hauptverfasser: KUWABARA, MASANAO, KUDO, NAOMICHI, ISHIZUKI, JUNICHI, YAMAZAKI, MIKI
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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creator KUWABARA, MASANAO
KUDO, NAOMICHI
ISHIZUKI, JUNICHI
YAMAZAKI, MIKI
description 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.
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language chi ; eng
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
title Oil-filled transformer and production method for tank used therein
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