JPH0353813U

JPH0353813U -

Info

Publication number: JPH0353813U
Application number: JP11421589U
Authority: JP
Priority date: 1989-09-29
Filing date: 1989-09-29
Publication date: 1991-05-24

Description

[Brief explanation of drawings]

第１図乃至第５図は互いに異なる実施例にかか
る静止誘導電器の構成を示す縦断面図、第６図は
従来における静止誘導電器の構成例を示す縦断面
図、第７図は第６図のＡ部拡大断面図、第８図は
第７図のオイルガイド上端部の切り込み状態を示
す斜視図である。１……冷却油、１Ａ……冷却油の流れ、２……
タンク、３……鉄心脚、４Ａ……上部継鉄、４Ｂ
……中間継鉄、４Ｃ……下部継鉄、５……３脚鉄
心、６Ａ，６Ｂ……１次巻線、７Ａ，７Ｂ……２
次巻線、８Ａ……上部巻線、８Ｂ……下部巻線、
９Ａ，９Ｂ……流通孔、１０Ａ，１０Ｂ……水平
油道、１１Ａ……中間リング、１１Ｂ……下部リ
ング、１２……垂直油道、１３，１７，１８，２
１……オイルガイド、１３Ａ，１３Ｂ，１３Ｃ，
１３Ｄ，２１Ａ……オイルガイドの上端部、１４
……絶縁紙、１４Ａ……切り込み、１５，１６…
…ガイドリング、１５Ａ，１６Ａ……すべり面、
１９，２２……油止め円筒、２１Ｂ……割れ目。 1 to 5 are longitudinal cross-sectional views showing configurations of stationary induction appliances according to mutually different embodiments, FIG. 6 is a vertical cross-sectional view showing an example of the configuration of a conventional static induction appliance, and FIG. FIG. 8 is a perspective view showing the cut state of the upper end of the oil guide in FIG. 7. 1...Cooling oil, 1A...Flow of cooling oil, 2...
Tank, 3... Iron core leg, 4A... Upper yoke, 4B
...Middle yoke, 4C...Lower yoke, 5...Tripod core, 6A, 6B...Primary winding, 7A, 7B...2
Next winding, 8A...upper winding, 8B...lower winding,
9A, 9B... Distribution hole, 10A, 10B... Horizontal oil pipe, 11A... Intermediate ring, 11B... Lower ring, 12... Vertical oil pipe, 13, 17, 18, 2
1...Oil guide, 13A, 13B, 13C,
13D, 21A... Upper end of oil guide, 14
...Insulating paper, 14A...Notch, 15, 16...
...Guide ring, 15A, 16A...Sliding surface,
19, 22...Oil stopper cylinder, 21B...Crack.

Claims

[Scope of Claim for Utility Model Registration] (1) A tank containing a stationary induction electric device along with cooling oil, and an upper yoke and an intermediate yoke that connect the three upright iron core legs to the upper, middle, and lower parts, respectively. and a three-legged iron core consisting of a lower yoke, an upper winding winding the core legs, and a lower winding disposed between the upper yoke and the intermediate yoke and between the intermediate yoke and the lower yoke, respectively, and winding the core legs. It is formed of a winding and an insulating horizontal disk having a circulation hole for the cooling oil, and is arranged with horizontal oil passages interposed at the upper and lower ends of the lower winding, respectively. It is formed of an intermediate ring and a lower ring to be held, and an insulating cylinder with an axial cut at the upper end so that the upper end is flexible, and a vertical oil passage is interposed on the outer diameter side of the lower winding. The upper end of the oil guide is slid onto the lower surface of the intermediate ring and bent toward the inner diameter side or the outer diameter side of the oil guide, thereby controlling the cooling oil. A stationary induction electric appliance having a ring shape and having an oil stopper structure that prevents oil from leaking in an outer radial direction of the vertical oil passage and allows oil to flow into the upper winding through the circulation hole of the intermediate ring. An insulating guide ring forming a sliding surface obliquely inclined with respect to the vertical direction is fixed to the lower surface of the intermediate ring at a position opposite to the upper end of the oil guide, and the upper end of the oil guide is fixed to the lower surface of the intermediate ring. An oil stopper structure for a stationary induction electric appliance, characterized in that the oil stopper is formed by bending the oil guide to the inner diameter side or the outer diameter side through a surface and sliding it on the lower surface of the intermediate ring. (2) A tank containing a stationary induction conductor along with cooling oil, three upright iron core legs and the upper part,
A three-legged iron core consisting of an upper yoke, an intermediate yoke, and a lower yoke that connect the intermediate and lower parts, respectively, and between the upper yoke and the intermediate yoke and between the intermediate yoke and the lower yoke, respectively. An upper winding and a lower winding arranged around the core leg, and an insulating horizontal disk having cooling oil circulation holes, and horizontal oil is provided at the upper and lower ends of the lower winding, respectively. an intermediate ring and a lower ring that are arranged with a path in between and sandwich the lower winding from above and below;
The oil guide is formed of an insulating cylinder and is arranged vertically with a vertical oil passage interposed on the outer diameter side of the lower winding to prevent the cooling oil from leaking in the outer diameter direction of the vertical oil passage. In a stationary induction electric appliance comprising a stopper structure that prevents oil from flowing into the upper winding through the flow hole of the intermediate ring, the upper end of the oil guide is formed higher than the lower surface of the intermediate ring, and The inner diameter of the oil guide is formed to be the same as the circumferential outer diameter of the intermediate ring, and oil is stopped by sliding the inner diameter surface of the oil guide and the circumferential outer diameter end surface of the intermediate ring. Oil stopper structure for stationary induction appliances. (3) Three legs consisting of a tank containing a stationary induction electric device along with cooling oil, three upright iron core legs, and an upper yoke, an intermediate yoke, and a lower yoke that connect the upper, middle, and lower parts, respectively. an iron core, an upper winding and a lower winding arranged between the upper yoke and the intermediate yoke and between the intermediate yoke and the lower yoke and winding the iron core legs; An intermediate ring and a lower ring are formed of an insulating horizontal disk having a flow hole, and are arranged with horizontal oil passages interposed between the upper and lower ends of the lower winding, respectively, and sandwich the lower winding from above and below; , an oil guide formed of an insulating cylinder and arranged vertically with a vertical oil passage interposed on the outer diameter side of the lower winding, and preventing the cooling oil from leaking in the outer diameter direction of the vertical oil passage. In the stationary induction electric appliance, the upper end of the oil guide is formed to be lower than the lower surface of the intermediate ring; An insulating oil stopper cylinder formed in a cylindrical shape is fixed to a lower surface or a peripheral outer diameter end surface of the intermediate ring so as to protrude below the intermediate ring, and a lower part of the oil stopper cylinder and the oil stopper are provided. An oil stopper structure for stationary induction electric equipment characterized by stopping oil by sliding the upper part of a guide.