OIL-FILLED TRANSFORMER AND MANUFACTURING METHOD OF TANK USING THE SAME
To provide an oil-filled transformer in which the miniaturization of the oil-filled transformer and the strength of the heat dissipation of a tank are taken into consideration.SOLUTION: In an oil-filled transformer that includes an iron core-coil assembly in which an iron core and a coil are assembl...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide an oil-filled transformer in which the miniaturization of the oil-filled transformer and the strength of the heat dissipation of a tank are taken into consideration.SOLUTION: In an oil-filled transformer that includes an iron core-coil assembly in which an iron core and a coil are assembled in a tank and stores insulating oil, the tank includes a flange for mounting a lid, a bottom plate, and a body part made of a side plate disposed between the flange and the bottom plate, and a plurality of embossed portions are formed on the surface of the body part, and the body part is constituted by welding the side plate formed with the embossed portion in a tubular shape, and a welded portion is welded so as to hang over the embossed portion.SELECTED DRAWING: Figure 7
【課題】油入変圧器の小型化とタンクの放熱性と強度を考慮した油入変圧器を提供することを目的とする。【解決手段】鉄心とコイルとを組み立てた鉄心−コイル組立体をタンク内に収納し、絶縁油を入れてなる油入変圧器であって、タンクは、蓋を取付けるためのフランジと、底板と、フランジと底板との間に配設される側板からなる胴体部とを備え、胴体部の表面には複数のエンボス部が形成されており、胴体部は、エンボス部が形成された側板を筒状に溶接することで構成さており、溶接部はエンボス部に掛かるように溶接されている構成とする。【選択図】図７ |
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