JP3525732B2 - Stationary induction appliance - Google Patents
Stationary induction applianceInfo
- Publication number
- JP3525732B2 JP3525732B2 JP09122798A JP9122798A JP3525732B2 JP 3525732 B2 JP3525732 B2 JP 3525732B2 JP 09122798 A JP09122798 A JP 09122798A JP 9122798 A JP9122798 A JP 9122798A JP 3525732 B2 JP3525732 B2 JP 3525732B2
- Authority
- JP
- Japan
- Prior art keywords
- iron core
- bottom plate
- tank bottom
- fitting
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Transformer Cooling (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明の属する技術分野】本発明は変圧器やリアクトル
等の静止誘導電器に係り、特に巻線からの漏れ磁束によ
る局部過熱防止用の冷却流路を形成した静止誘導電器に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a static induction electric device such as a transformer or a reactor, and more particularly to a static induction electric device having a cooling flow path for preventing local overheating due to leakage flux from a winding.
【０００２】[0002]
【従来の技術】近年、変圧器は増々大容量化される傾向
にあり、それに伴い巻線からの漏れ磁束も増大してい
る。この漏れ磁束の増大と共に変圧器構造物の局部温度
上昇の防止が性能，耐用性等の観点から問題視されてい
る。2. Description of the Related Art In recent years, transformers have tended to have a larger capacity, and the leakage magnetic flux from the windings has increased accordingly. The prevention of local temperature rise of the transformer structure along with the increase of the leakage flux is regarded as a problem from the viewpoints of performance and durability.
【０００３】変圧器等静止誘導電器をタンクヘ支持する
ための支持金具もその一例である。そこで、単相センタ
ーコア変圧器を例にとり図９及び図１０により説明す
る。図９は変圧器の内部構成を示す側面図、図１０が変
圧器の内部構成を示す正面図である。図において１，２
は上下に鉄心の継鉄部３，４を有する鉄心脚と側脚、５
及び６は鉄心脚１に巻回された内側及び外側巻線、７，
８は上下部の締付金具で、上部締付金具７で上部継鉄部
３を、下部締付金具８で下部継鉄部４を水平方向にそれ
ぞれ挟持している。An example is a supporting metal fitting for supporting a stationary induction electric device such as a transformer on a tank. Therefore, a single-phase center core transformer will be described as an example with reference to FIGS. 9 and 10. 9 is a side view showing the internal structure of the transformer, and FIG. 10 is a front view showing the internal structure of the transformer. 1, 2 in the figure
Is an iron core leg and side legs having upper and lower iron core yoke portions 3 and 4,
And 6 are inner and outer windings wound around the core leg 1, 7,
Reference numeral 8 is a fastening metal fitting on the upper and lower parts, and the upper fastening metal fitting 7 holds the upper yoke portion 3 horizontally and the lower fastening metal fitting 8 holds the lower yoke portion 4 horizontally.
【０００４】上記のように構成された変圧器本体をタン
ク底板９ａ，タンク側板９ｂ，タンクカバー９ｃより成
るタンク９ヘ収納し、変圧器本体をタンク底板９ａヘ支
持し、かつ電気的絶縁を図るために支持金具１０と絶縁
スペーサ２０が複数個所設けられている。The transformer body constructed as described above is housed in a tank 9 consisting of a tank bottom plate 9a, a tank side plate 9b and a tank cover 9c, the transformer body is supported on the tank bottom plate 9a, and electrical insulation is achieved. Therefore, a plurality of support fittings 10 and insulating spacers 20 are provided.
【０００５】しかし、このような構成からなる従来の変
圧器においては内側巻線５及び外側巻線６からの漏れ磁
束３０が図９中矢印で示す如く、その一部は鉄心の下部
継鉄部４の下面付近まで迂回して上述した変圧器本体を
支持する支持金具１０付近に侵入する。そのため、支持
金具１０には局部的な損失が発生し、これにより局部的
な温度上昇を誘発し変圧器の信頼性及び効率低下の原因
となってしまう。However, in the conventional transformer having such a structure, the leakage magnetic flux 30 from the inner winding 5 and the outer winding 6 is partially part of the lower yoke portion of the iron core as shown by the arrow in FIG. It detours to the vicinity of the lower surface of No. 4 and enters the vicinity of the support metal fitting 10 supporting the above-mentioned transformer body. As a result, a local loss occurs in the support fitting 10, which causes a local temperature rise and causes a decrease in reliability and efficiency of the transformer.
【０００６】[0006]
【発明が解決しようとする課題】上記従来技術の静止誘
導電器では巻線からの漏れ磁束が変圧器本体を支持する
支持金具へ侵入して損失が発生するため支持金具での局
部過熱を防止する構造について解決すべき課題があっ
た。SUMMARY OF THE INVENTION In the above-mentioned prior art static induction electric generator, leakage magnetic flux from a winding penetrates into a supporting metal fitting for supporting a transformer body to cause a loss, which prevents local overheating in the supporting metal fitting. There was a problem to be solved regarding the structure.
【０００７】本発明の目的は、このような従来技術の課
題を有効に解決するもので、その目的は変圧器本体とタ
ンク底板との間に挿入される支持金具及び絶縁スペーサ
に冷却流路を設けて冷却効率を向上させることにより、
支持金具での局部過熱を防止する静止誘導電器を提供す
ることにある。An object of the present invention is to effectively solve the above problems of the prior art. The object of the present invention is to provide a cooling metal flow path in a support metal fitting and an insulating spacer which are inserted between a transformer body and a tank bottom plate. By installing and improving cooling efficiency,
It is an object of the present invention to provide a static induction electric device that prevents local overheating in a support fitting.
【０００８】[0008]
【課題を解決するための手段】本発明は上下に継鉄部を
有する鉄心脚と、該鉄心脚に巻回される巻線とを備え、
前記上下継鉄部の側面にそれぞれ長手方向と平行な鉄心
締付金具を配置した変圧器本体を支持するために、変圧
器本体とタンク底板との間に支持金具と絶縁スペーサを
挿入して変圧器本体をタンク内に収納するものにおい
て、前記支持金具及び絶縁スペーサの一部に冷却流路を
形成したことを特徴とする静止誘導電器。即ち、本発明
の静止誘導電器によれば、支持金具及び絶縁スペーサに
冷却流路を形成し、その冷却流路に冷却媒体を流すこと
により、巻線からの漏れ磁束が支持金具に侵入して発生
する損失を効率良く冷却することが可能となるために支
持金具での局部過熱を防止することができる。The present invention comprises an iron core leg having upper and lower yoke portions, and a winding wound around the iron core leg,
In order to support the transformer main body in which the iron core tightening metal fittings parallel to the longitudinal direction are arranged on the side surfaces of the upper and lower yoke parts, respectively, a supporting metal fitting and an insulating spacer are inserted between the transformer main body and the tank bottom plate. A stationary induction machine in which a cooling passage is formed in a part of the support metal fitting and the insulating spacer in a case where the main body is housed in a tank. That is, according to the static induction electric device of the present invention, the cooling flux is formed in the support fitting and the insulating spacer, and the cooling medium is caused to flow through the cooling flow path, so that the leakage magnetic flux from the winding enters the support fitting. Since it is possible to efficiently cool the generated loss, it is possible to prevent local overheating in the support fitting.
【０００９】[0009]
【発明の実施の形態】以下本発明の一実施例を図面を参
照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１０】図１は変圧器の内部構成を示す要部断面図
である。なお、符号は従来と同一のものは同符号を使用
する。図から分かるように変圧器本体とタンク底板９ａ
との間に挿入されている支持金具１０に冷却流路４０が
１個所設けられた構成となっている。FIG. 1 is a sectional view of an essential part showing the internal structure of the transformer. The same reference numerals are used for the same reference numerals. As can be seen from the figure, the transformer body and the tank bottom plate 9a
The cooling pipe 40 is provided at one location on the support fitting 10 inserted between
【００１１】かかる構成法によれば、内側巻線５及び外
側巻線６からの漏れ磁束３０（図示せず）が支持金具１
０へ侵入して損失が発生しても支持金具１０に冷却流路
４０が形成されているために、冷却流路４０中を変圧器
油５０（図示せず）が流れて効率良い冷却が可能となる
ために支持金具１０での局部過熱を防止することができ
る。なお、冷却流路４０の面積は変圧器本体を支持した
ときに支持金具１０が変形しない程度にする必要があ
る。According to this construction method, the leakage magnetic flux 30 (not shown) from the inner winding 5 and the outer winding 6 causes
Since the cooling passage 40 is formed in the support metal fitting 10 even if it enters into 0 and a loss occurs, the transformer oil 50 (not shown) flows in the cooling passage 40, and efficient cooling is possible. Therefore, it is possible to prevent local overheating of the support fitting 10. The area of the cooling flow path 40 needs to be set so that the support fitting 10 is not deformed when the transformer main body is supported.
【００１２】そのため、支持金具１０への冷却流路４０
の確保は強度計算等により決定する必要がある。支持金
具１０は主に磁性体（鋼板）であるために鋼板の一部を
加工して冷却流路４０を設けるか或いは通常のコ字型及
びＨ型の鋼板を用いても可能である。また、本発明では
支持金具１０に冷却流路４０を１個所設けた場合を例に
して述べているが、冷却流路４０を複数個所設けた場合
でも同様な効果が期待できるのは言うまでもない。Therefore, the cooling flow path 40 to the support fitting 10
It is necessary to determine whether to secure the strength by calculating the strength. Since the support fitting 10 is mainly a magnetic material (steel plate), a part of the steel plate may be processed to provide the cooling passage 40, or ordinary U-shaped and H-shaped steel plates may be used. Further, in the present invention, the case where one cooling passage 40 is provided in the support fitting 10 is described as an example, but it is needless to say that the same effect can be expected even when a plurality of cooling passages 40 are provided.
【００１３】図２は本発明の他の実施例に係る静止誘導
電器で変圧器内部構成を示す正面図である。図で図１に
示す部分と同一部分については同一符号で示してある。
図から分かるように支持金具１０とタンク底板９ａとの
間に挿入される絶縁スペーサ２０で支持金具１０と接す
る片面に冷却流路４０が１個所設けられた構成となって
いる。FIG. 2 is a front view showing the internal structure of a transformer in a static induction generator according to another embodiment of the present invention. In the figure, the same parts as those shown in FIG. 1 are designated by the same reference numerals.
As can be seen from the figure, an insulating spacer 20 inserted between the support fitting 10 and the tank bottom plate 9a is provided with one cooling flow passage 40 on one surface in contact with the support fitting 10.
【００１４】かかる構成法によれば、支持金具１０と接
する絶縁スペーサ２０の片面に冷却流路４０が設けられ
ているために、支持金具１０を冷却するための変圧器油
５０（図示せず）が流れるために支持金具１０での局部
過熱を防止することが可能となる。絶縁スペーサ２０の
製作は絶縁物２０ａの片面に絶縁物の突起２０ｂを接着
したものでも可能である。しかも、絶縁スペーサ２０に
冷却流路４０を設ける作業は通常の鋼板を加工するより
も作業性が容易となり安価なものを製作することが可能
となる。According to this construction method, since the cooling flow path 40 is provided on one surface of the insulating spacer 20 that is in contact with the support fitting 10, the transformer oil 50 (not shown) for cooling the support fitting 10 is provided. Therefore, it is possible to prevent local overheating in the support fitting 10. The insulating spacer 20 may be manufactured by adhering the insulator projection 20b to one surface of the insulator 20a. Moreover, the work of providing the cooling flow path 40 in the insulating spacer 20 is easier in working than that of processing a normal steel plate, and an inexpensive product can be manufactured.
【００１５】図３は本発明の他の実施例に係る静止誘導
電器の図１と同様の要部断面図である。図で図１に示す
部分と同一部分については同一符号で示してある。図か
ら分かるように支持金具１０とタンク底板９ａとの間に
挿入される絶縁スペーサ２０で支持金具１０及びタンク
底板９ａと接する両面に冷却流路４０が１個所ずつ設け
られた構成となっている。FIG. 3 is a sectional view similar to FIG. 1 of a static induction generator according to another embodiment of the present invention. In the figure, the same parts as those shown in FIG. 1 are designated by the same reference numerals. As can be seen from the figure, an insulating spacer 20 inserted between the support fitting 10 and the tank bottom plate 9a is provided with one cooling flow path 40 on each side in contact with the support fitting 10 and the tank bottom plate 9a. .
【００１６】かかる構成法によれば、支持金具１０と接
する絶縁スペーサ２０の両面に冷却流路４０が設けられ
ているために、支持金具１０とタンク底板９ａを冷却す
るための変圧器油５０（図示せず）が流れるために支持
金具１０及びタンク底板９ａでの局部過熱を防止するこ
とが可能となり、変圧器の信頼性及び効率低下を抑制す
ることができる。また、絶縁スペーサ２０の製作は絶縁
物２０ａの両面に絶縁物の突起２０ｂを接着するか、ま
たは絶縁物２０ａの片面に絶縁物の突起２０ｂを接着し
たものを２枚張り合わせた物でも可能である。According to this construction method, since the cooling passages 40 are provided on both surfaces of the insulating spacer 20 which is in contact with the support fitting 10, the transformer oil 50 (for cooling the support fitting 10 and the tank bottom plate 9a) is provided. (Not shown) flows, it is possible to prevent local overheating in the support fitting 10 and the tank bottom plate 9a, and it is possible to suppress the reliability and efficiency of the transformer. Further, the insulating spacer 20 can be manufactured by adhering the protrusions 20b of the insulator to both surfaces of the insulator 20a or by laminating two protrusions 20b of the insulator adhered to one surface of the insulator 20a. .
【００１７】図４は本発明の他の実施例に係る静止誘導
電器の図１と同様の要部断面図である。図で図１に示す
部分と同一部分については同一符号で示してある。図か
ら分かるように支持金具１０とタンク底板９ａとの間に
挿入される絶縁スペーサ２０で支持金具１０及びタンク
底板９ａと接する両面に冷却流路４０が３個所設けられ
た構成となっている。FIG. 4 is a sectional view similar to FIG. 1 of a static induction generator according to another embodiment of the present invention. In the figure, the same parts as those shown in FIG. 1 are designated by the same reference numerals. As can be seen from the figure, an insulating spacer 20 inserted between the support fitting 10 and the tank bottom plate 9a is provided with three cooling passages 40 on both surfaces in contact with the support fitting 10 and the tank bottom plate 9a.
【００１８】かかる構成法によれば、支持金具１０と接
する絶縁スペーサ２０の両面に３個所の冷却流路４０が
設けられているために、支持金具１０とタンク底板９ａ
を冷却するための変圧器油５０（図示せず）が広範囲に
渡って流れるため支持金具１０及びタンク底板９ａでの
局部過熱を防止することが可能となる。また、冷却流路
を複数個所に設けているために冷却効率が向上して支持
金具１０及びタンク底板９ａの幅方向の温度上昇を均一
化させて局部過熱を抑制することが可能となる。なお、
本発明は支持金具１０や絶縁スペーサ２０の各々に冷却
流路４０を形成した場合について述べているが、支持金
具１０や絶縁スペーサ２０に冷却流路４０を形成したも
のを組合せて構成した場合でも同様な効果が期待できる
のは言うまでもない。According to this construction method, since three cooling flow paths 40 are provided on both surfaces of the insulating spacer 20 which is in contact with the support fitting 10, the support fitting 10 and the tank bottom plate 9a are provided.
Since the transformer oil 50 (not shown) for cooling the oil flows over a wide range, it is possible to prevent local overheating of the support fitting 10 and the tank bottom plate 9a. Further, since the cooling passages are provided at a plurality of places, the cooling efficiency is improved, and the temperature rise in the width direction of the support fitting 10 and the tank bottom plate 9a can be made uniform, and local overheating can be suppressed. In addition,
Although the present invention describes the case where the cooling metal flow path 40 is formed in each of the support metal fitting 10 and the insulating spacer 20, the case where the cooling metal flow path 40 is formed in the support metal fitting 10 and the insulating spacer 20 is also combined. It goes without saying that similar effects can be expected.
【００１９】図５，図６は本発明の他の実施例に係る静
止誘導電器の断面図である。図５は変圧器の内部構成を
示す側面図、図６が変圧器の内部構成を示す正面図をそ
れぞれ示している。図で図１に示す部分と同一部分につ
いては同符号で示してある。図から分かるように下部締
付金具８は箱形形状で、かつタンク側板９ｂ及び支持金
具１０と対向する下部締付金具８の縦板８ａの一部に間
隙部６０を４個所設けて、下部締付金具８中を強制冷却
により流れてきた変圧器油５０の一部が間隙部６０を経
由して支持金具１０及びタンク底板９ａへ流す構成とな
っている。FIG. 5 and FIG. 6 are sectional views of a static induction generator according to another embodiment of the present invention. FIG. 5 is a side view showing the internal structure of the transformer, and FIG. 6 is a front view showing the internal structure of the transformer. In the figure, the same parts as those shown in FIG. 1 are designated by the same reference numerals. As can be seen from the figure, the lower fastening member 8 has a box shape, and four gap portions 60 are provided in a part of the vertical plate 8a of the lower fastening member 8 which faces the tank side plate 9b and the support metal member 10 to form the lower portion. A part of the transformer oil 50 that has flowed through the tightening metal fitting 8 by forced cooling flows to the support metal fitting 10 and the tank bottom plate 9a via the gap 60.
【００２０】かかる構成法によれば、内側巻線５及び外
側巻線６からの漏れ磁束３０が矢印で示す如く、その一
部が支持金具に侵入して損失が発生しても下部締付金具
８の縦板８ａの一部に間隙部６０を設け、下部締付金具
８中を強制冷却により流れてきた変圧器油５０の一部が
支持金具１０やタンク底板９ａに流れて冷却するために
局部過熱を防止することができる。なお、内側巻線５及
び外側巻線６が巻回されていない側脚２付近では漏れ磁
束３０による発生損失が小さいために間隙部６０を省略
しても同様な効果が得られる。また、縦板８ａの材質を
鋼板にした場合を例について述べているが、下部締付金
具８中を変圧器油が強制的に流れるならば絶縁物で構成
しても同様な効果が期待できるのは言うまでもない。According to such a construction method, as shown by the arrows, the leakage magnetic flux 30 from the inner winding 5 and the outer winding 6 partially penetrates into the supporting metal fittings, and even if a loss occurs, the lower tightening metal fittings are generated. In order to cool a part of the transformer oil 50 that has flowed in the lower tightening metal fitting 8 by forced cooling to the support metal fitting 10 and the tank bottom plate 9a, a gap 60 is provided in a part of the vertical plate 8a of FIG. Local overheating can be prevented. In addition, since the loss generated by the leakage magnetic flux 30 is small in the vicinity of the side leg 2 where the inner winding 5 and the outer winding 6 are not wound, the same effect can be obtained even if the gap 60 is omitted. Also, the case where the vertical plate 8a is made of a steel plate has been described as an example, but if transformer oil is forced to flow through the lower tightening fitting 8, the same effect can be expected even if it is made of an insulating material. Needless to say.
【００２１】図７，図８は本発明の他の実施例に係る静
止誘導電器の断面図である。図７は変圧器の内部構成を
示す側面図、図８が変圧器の内部構成を示す正面図をそ
れぞれ示している。図５，図６に示す部分と同一部分に
ついては同符号で示してある。図から分かるように下部
締付金具８は箱形形状で、内側巻線５及び外側巻線６が
巻回された範囲で、かつタンク側板９ｂ及び支持金具１
０と対向する下部締付金具８の縦板８ａの一部にノズル
７０を２個所設けて、下部締付金具８中を強制冷却によ
り流れてきた変圧器油５０の一部がノズル７０を経由し
て支持金具１０及びタンク底板９ａへ流す構成となって
いる。FIG. 7 and FIG. 8 are sectional views of a static induction generator according to another embodiment of the present invention. FIG. 7 is a side view showing the internal structure of the transformer, and FIG. 8 is a front view showing the internal structure of the transformer. The same parts as those shown in FIGS. 5 and 6 are denoted by the same reference numerals. As can be seen from the figure, the lower tightening metal fitting 8 has a box shape and is in a range where the inner winding 5 and the outer winding 6 are wound, and the tank side plate 9b and the supporting metal fitting 1 are provided.
Two nozzles 70 are provided in a part of the vertical plate 8a of the lower tightening metal fitting 8 facing 0, and a part of the transformer oil 50 flowing through the lower tightening metal fitting 8 by forced cooling passes through the nozzle 70. Then, it is configured to flow to the support fitting 10 and the tank bottom plate 9a.
【００２２】かかる構成法によれば、内側巻線５及び外
側巻線６からの漏れ磁束３０が矢印で示す如く、その一
部が支持金具１０に侵入して損失が発生しても下部締付
金具８の縦板８ａの一部にノズル７０を設け、下部締付
金具８中を強制冷却により流れてきた変圧器油５０の一
部を支持金具１０やタンク底板９ａヘ吹き付けるために
支持金具１０やタンク底板９ａを効果的に冷却できるた
め局部過熱を防止することができる。また、支持金具１
０の取付け位置は磁界計算などの解析により損失が局部
的に集中する部分へ大量の変圧器油５０を吹き付けるこ
とが可能となる。本発明は下部締付金具８の縦板８ａの
一部に間隙部６０やノズル７０を設けた場合の例を示し
ているが、支持金具１０や絶縁スペーサ等に冷却流路４
０を設けた物と組合せても同様な効果が期待できるのは
言うまでもない。According to this construction method, even if a part of the leakage magnetic flux 30 from the inner winding 5 and the outer winding 6 penetrates into the support metal fitting 10 as shown by an arrow and a loss occurs, the lower tightening is performed. A nozzle 70 is provided on a part of the vertical plate 8a of the metal fitting 8 to support the metal fitting 10 and the tank bottom plate 9a to spray a part of the transformer oil 50 flowing through the lower tightening metal fitting 8 by forced cooling. Since the tank bottom plate 9a and the tank bottom plate 9a can be effectively cooled, local overheating can be prevented. Also, the support fitting 1
A mounting position of 0 makes it possible to spray a large amount of transformer oil 50 to a portion where the loss is locally concentrated by analysis such as magnetic field calculation. Although the present invention shows an example in which the gap portion 60 and the nozzle 70 are provided in a part of the vertical plate 8a of the lower fastening member 8, the cooling passage 4 is provided in the support member 10 and the insulating spacer.
It goes without saying that the same effect can be expected by combining it with an object provided with 0.
【００２３】なお、本発明は冷却媒体が変圧器油５０を
例にして述べているが、絶縁ガス（ＳＦ6 ガス）やパー
フロロカーボン（ＰＦＣ）等にした場合でも同様な効果
が期待できるのは言うまでもない。また、本発明は巻線
や鉄心が増えた単相２脚，単相４脚，３相３脚，３相５
脚変圧器についても同様な効果が期待できる。In the present invention, the transformer oil 50 is used as an example of the cooling medium, but the same effect can be expected even when insulating gas (SF 6 gas), perfluorocarbon (PFC) or the like is used. Needless to say. In addition, the present invention is a single-phase two-legged, a single-phase four-legged, a three-phase three-legged, a three-phase five with increased windings and iron cores.
Similar effects can be expected for leg transformers.
【００２４】なお、図１〜図８は変圧器を対象に説明し
てきたが、リアクトルにも適用でき、その効果はこれま
で述べてきた変圧器と同様に期待できるものである。Although FIG. 1 to FIG. 8 have been described for a transformer, they can be applied to a reactor, and the effect can be expected similarly to the transformers described so far.
【００２５】[0025]
【発明の効果】以下、本発明の静止誘導電器によれば、
支持金具及び絶縁スペーサに冷却流路を形成し、その冷
却流路に冷却媒体を流すことにより、巻線からの漏れ磁
束が支持金具に侵入して発生する損失を効率よく冷却す
ることが可能となるために支持金具の局部過熱を防止す
ることができる。According to the static induction electric device of the present invention,
By forming a cooling channel in the metal support and the insulating spacer and flowing a cooling medium in the cooling flow channel, it is possible to efficiently cool the loss generated when the magnetic flux leaking from the winding enters the metal support. Therefore, it is possible to prevent local overheating of the support fitting.
【図１】本発明の一実施例を示す静止誘導電器の内部断
面図。FIG. 1 is an internal cross-sectional view of a static induction generator showing an embodiment of the present invention.
【図２】本発明の一実施例を示す静止誘導電器の内部断
面図。FIG. 2 is an internal cross-sectional view of a static induction generator showing an embodiment of the present invention.
【図３】本発明の一実施例を示す静止誘導電器の内部要
部断面図。FIG. 3 is a sectional view of an internal main part of a static induction generator showing an embodiment of the present invention.
【図４】本発明の一実施例を示す静止誘導電器の内部要
部断面図。FIG. 4 is a sectional view of an internal main part of a static induction generator showing an embodiment of the present invention.
【図５】本発明の一実施例を示す静止誘導電器の内部側
面図。FIG. 5 is a side view of the inside of a static induction generator showing an embodiment of the present invention.
【図６】本発明の一実施例を示す静止誘導電器の内部正
面図。FIG. 6 is a front view of the inside of a static induction generator showing an embodiment of the present invention.
【図７】本発明の一実施例を示す静止誘導電器の内部側
面図。FIG. 7 is a side view of the inside of a static induction generator showing an embodiment of the present invention.
【図８】本発明の一実施例を示す静止誘導電器の内部側
面図。FIG. 8 is a side view of the inside of a static induction generator showing an embodiment of the present invention.
【図９】従来の変圧器本体を固定する支持金具の変圧器
内部構造を示す側面図。FIG. 9 is a side view showing the internal structure of a transformer of a conventional supporting bracket for fixing the transformer body.
【図１０】従来の変圧器本体を固定する支持金具の変圧
器内部構造を示す正面図。FIG. 10 is a front view showing the internal structure of a transformer of a conventional support fitting for fixing the transformer body.
１…鉄心脚、２…側脚、３…上部継鉄部、４…下部継鉄
部、５…内側巻線、６…外側巻線、７…上部締付金具、
８…下部締付金具、８ａ…下部締付金具の縦板、９…タ
ンク、９ａ…タンク底板、９ｂ…タンク側板、９ｃ…タ
ンクカバー、１０…支持金具、２０…絶縁スペーサ、２
０ａ…絶縁物、２０ｂ…突起、３０…漏れ磁束、４０…
冷却流路、５０…変圧器油、６０…間隙部、７０…ノズ
ル。1 ... Iron core leg, 2 ... Side leg, 3 ... Upper yoke part, 4 ... Lower yoke part, 5 ... Inner winding, 6 ... Outer winding, 7 ... Upper tightening metal fitting,
8 ... Lower tightening fitting, 8a ... Vertical plate of lower tightening fitting, 9 ... Tank, 9a ... Tank bottom plate, 9b ... Tank side plate, 9c ... Tank cover, 10 ... Support fitting, 20 ... Insulating spacer, 2
0a ... Insulator, 20b ... Protrusion, 30 ... Leakage magnetic flux, 40 ...
Cooling channel, 50 ... Transformer oil, 60 ... Gap, 70 ... Nozzle.
フロントページの続き (56)参考文献 特開 平８−213253（ＪＰ，Ａ) 特開 平11−176651（ＪＰ，Ａ) 特開 平８−264334（ＪＰ，Ａ) 特開 平５−144646（ＪＰ，Ａ) 実開 昭56−19018（ＪＰ，Ｕ) 実開 昭61−106009（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01F 27/08 H01F 27/12 H01F 27/20 Continuation of the front page (56) Reference JP-A-8-213253 (JP, A) JP-A-11-176651 (JP, A) JP-A-8-264334 (JP, A) JP-A-5-144646 (JP , A) Actual development 56-19018 (JP, U) Actual development 61-106009 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) H01F 27/08 H01F 27/12 H01F 27/20
Claims (2)
に巻回される巻線と、前記上下の継鉄部のそれぞれの側
面に該継鉄部の長手方向と平行に配置された上下の鉄心
締付金具と、前記巻線と鉄心脚から成る変圧器本体と、
該変圧器本体をタンク底板へ支持する支持金具と、該支
持金具とタンク底板との電気的絶縁を図るために両者間
に設けられた絶縁スペーサとを備え、これらがタンク内
に収納されてなる静止誘導電器において、前記下部の鉄心締付金具を箱形に形成すると共に、タン
ク側板と対向する該箱形の下部鉄心締付金具の縦板の一
部に複数個の間隙部を設け、前記箱形の下部鉄心締付金
具中を流れてきた冷却媒体の一部が前記間隙部を経由し
て前記支持金具及びタンク底板へ流れるようにした こと
を特徴とする静止誘導電器。1. An iron core leg having upper and lower yoke parts, a winding wound around the iron core leg, and respective sides of the upper and lower yoke parts.
Upper and lower iron core tightening fittings arranged parallel to the longitudinal direction of the yoke portion on the surface, a transformer main body including the winding and the iron core leg,
A support bracket for supporting the transformer main body on the tank bottom plate,
In order to achieve electrical insulation between the holding bracket and the tank bottom plate,
And an insulating spacer provided on the
In the static induction electric device housed in a box , the lower iron core tightening fitting is formed in a box shape and
One of the vertical plates of the box-shaped lower core tightening metal fitting that faces the side plate
Box-shaped lower iron core clamp with multiple gaps
Part of the cooling medium that has flowed through the tool passes through the gap
The static induction device is characterized in that the flow is made to flow to the support fitting and the tank bottom plate .
に巻回される巻線と、前記上下の継鉄部のそれぞれの側
面に該継鉄部の長手方向と平行に配置された上下の鉄心
締付金具と、前記巻線と鉄心脚から成る変圧器本体と、
該変圧器本体をタンク底板へ支持する支持金具と、該支
持金具とタンク底板との電気的絶縁を図るために両者間
に設けられた絶縁スペーサとを備え、これらがタンク内
に収納されてなる静止誘導電器において、前記下部の鉄心締付金具を箱形に形成すると共に、タン
ク側板と対向する該箱形の下部鉄心締付金具の縦板の一
部に複数個のノズルを設け、前記箱形の下部鉄心締付金
具中を流れてきた冷却媒体の一部が前記ノズルを経由し
て前記支持金具及びタンク底板へ流れるようにした こと
を特徴とする静止誘導電器。2. An iron core leg having upper and lower yoke portions, a winding wound around the iron core leg, and respective sides of the upper and lower yoke portions.
Upper and lower iron core tightening fittings arranged parallel to the longitudinal direction of the yoke portion on the surface, a transformer main body including the winding and the iron core leg,
A support bracket for supporting the transformer main body on the tank bottom plate,
In order to achieve electrical insulation between the holding bracket and the tank bottom plate,
And an insulating spacer provided on the
In the static induction electric device housed in a box , the lower iron core tightening fitting is formed in a box shape and
One of the vertical plates of the box-shaped lower core tightening metal fitting that faces the side plate
Box-shaped lower iron core clamp with multiple nozzles
A part of the cooling medium flowing through the ingredient passes through the nozzle.
The static induction device is characterized in that it is made to flow to the support metal and the tank bottom plate .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09122798A JP3525732B2 (en) | 1998-04-03 | 1998-04-03 | Stationary induction appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09122798A JP3525732B2 (en) | 1998-04-03 | 1998-04-03 | Stationary induction appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11288820A JPH11288820A (en) | 1999-10-19 |
| JP3525732B2 true JP3525732B2 (en) | 2004-05-10 |
Family
ID=14020547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09122798A Expired - Fee Related JP3525732B2 (en) | 1998-04-03 | 1998-04-03 | Stationary induction appliance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3525732B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976990B (en) * | 2016-07-04 | 2018-05-08 | 苏州吴变电气科技有限公司 | A kind of reactor radiator structure |
-
1998
- 1998-04-03 JP JP09122798A patent/JP3525732B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11288820A (en) | 1999-10-19 |
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