JPS59104110A - Butt joint reactor - Google Patents
Butt joint reactorInfo
- Publication number
- JPS59104110A JPS59104110A JP21335982A JP21335982A JPS59104110A JP S59104110 A JPS59104110 A JP S59104110A JP 21335982 A JP21335982 A JP 21335982A JP 21335982 A JP21335982 A JP 21335982A JP S59104110 A JPS59104110 A JP S59104110A
- Authority
- JP
- Japan
- Prior art keywords
- core
- legs
- divided
- leg
- heat treatment
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
【発明の詳細な説明】
に言えば、大小２個の環状成層鉄心を変形熱処理するこ
とにより得られる断面がだ円形状のヨークと、同じく大
小２個の環状成層鉄心を変形熱処理することにより得ら
れる断面がだ円形状の複数個の中央において二分割され
た扁平馬てい形鉄心脚とより成り、この扁平馬てい形鉄
心脚相互間の空隙に所定の磁気抵抗を有する耐熱性絶縁
板を挿入する構成の衝合型リアクトルに関する。[Detailed Description of the Invention] In other words, a yoke with an elliptical cross section obtained by heat-treating two large and small annular laminated cores, and a yoke obtained by heat-treating two large and small annular laminated cores. A heat-resistant insulating plate having a predetermined magnetic resistance is inserted into the gap between the flat horse-shaped core legs, each of which has an elliptical cross section and is divided into two at the center. This invention relates to a collision type reactor configured to
本発明の衝合型リアクトルの一実施例を示す第１図より
第３図に卦いて、大小２個の環状成層鉄心１，１′はそ
の外部より矢印方向の加圧を受けてだ円形状に変形され
、ついで熱処理されて２絹の同形のだ円形状ヨーク２．
２′となり、同様に大小２個の環状成層鉄心を加圧して
だ円形状に変形し熱処理して得らり、るだ円形鉄心は、
その中央におりて成層に垂直の方向に二分割ｌ−で扁平
用てい形鉄心脚３ 、３’、３”、４．４’ 、４“と
なる。扁平用てい形鉄心脚３と同３′と同３“との間お
よび扁平用てい形鉄心脚４と同４′と同４“との間にあ
る空隙には、所定の磁気抵抗を有する耐熱性絶縁板６．
６′がそね、それ挿入される。上記の扁平用てい形鉄心
脚３１同３′、同３“および扁平用てい形鉄心脚４．同
４′。As shown in FIGS. 1 to 3, which show an embodiment of the butting type reactor of the present invention, two large and small annular stratified cores 1 and 1' are pressurized from the outside in the direction of the arrow to form an elliptical shape. and then heat treated to form two identical elliptical yokes of silk.
2', which is obtained by pressurizing two large and small annular laminated iron cores, deforming them into elliptical shapes, and heat-treating them.
At its center, it is divided into two parts l- in the direction perpendicular to the stratification, resulting in flat tubular core legs 3, 3', 3", 4.4', and 4". A heat-resistant material having a predetermined magnetic resistance is provided in the air gap between the flattened rectangular core legs 3 and 3' and 3'' and between the flattened conical core legs 4 and 4' and 4''. Insulating board 6.
6' is inserted. The above-mentioned flat scoop-shaped core legs 31 3' and 3'' and flat scoop-shaped core legs 4 and 4'.
同４“はいずれも直列に配置されてこの鉄心脚には所要
の巻線５．５′かけん装される。4" are all arranged in series, and the required winding 5.5' is connected to this core leg.
次に、第１図より第３図に示す実施例について、巻線の
電流■とこの巻線のインダクタンスＬとの関係を、上記
の空隙のギャップ量Ｌ２ および平均磁路長■、Ｂ に
関連ｉ〜で説明する。Next, for the embodiments shown in FIGS. 1 to 3, the relationship between the winding current ■ and the winding inductance L is related to the above-mentioned air gap amount L2 and average magnetic path length ■,B. I will explain in i~.
一般の巻線の端子間に加えられる電圧ＥＸはＥＸ−２π
ｆ Ｌ Ｔ ・・・・・・（１
）で表わされ、電圧ＥＸ を得るに必要な巻線の巻数Ｎ
は
４．４４ ｆ ｔ（ｍｓ
で表わされる。The voltage EX applied between the terminals of a general winding is EX-2π
f L T ・・・・・・(1
), and the number of turns N of the winding required to obtain the voltage EX is
is expressed in 4.44 f t (ms).
ここに Ｌ：巻線のインダクタンス ■＝巻線の電流 Ｂｍ：鉄心脚の磁束密度 Ｓ：鉄心脚の有効断面積 である。Here L: Winding inductance ■=Winding current Bm: Magnetic flux density of core leg S: Effective cross-sectional area of the core leg.
鉄心脚の有効断面積Ｓは鉄心脚の外径りおよび同内径ｄ
により占積率を０．９６係としてＳ ＝−（Ｄ２− ｄ
２ ） Ｘ ｆｌ、９６二〇２５π（Ｉ）２−ｄ２）×
０９６ ・・・・・・（３）で表わされ、
式（２）を式（３）に代入することにより巻線の巻数Ｎ
は
１．８８Ｔ、Ｔ
で表わされる。The effective cross-sectional area S of the core leg is the outer diameter and inner diameter d of the core leg.
S=-(D2- d
2) X fl, 962025π(I)2-d2)×
096...Represented by (3),
By substituting equation (2) into equation (3), the number of turns N of the winding can be determined.
is expressed as 1.88T, T.
ここで、所要のりアクタンスを得るに必要とされる鉄心
脚相互間の空隙のギャップ量ｔ２け０．８ ｆ石１
で得られるが、式（５）に式（４）を代入することによ
りギャップ量ｔ２は次のとおり表わされる。Here, the gap amount of the air gap between the core legs required to obtain the required shear actance can be obtained by t2 x 0.8 f stone1, but by substituting equation (4) into equation (5), the gap can be calculated as follows: The quantity t2 is expressed as follows.
第３図に示す鉄心構成においては、鉄心の平均磁路長Ｌ
ｌｌは、鉄心脚の高さＴ、Ｐ、同窓幅ｔおよび鉄心脚の
円弧の中心よりその一辺までの長さＡを用いて
トナリ、扁平馬てい形鉄心脚の場合の一辺は、環状成層
鉄心脚の場合に比し短く、したがって平均磁路長ＬＢは
扁平用てい形鉄心脚については著しく短縮される。In the iron core configuration shown in Fig. 3, the average magnetic path length L of the iron core is
ll is calculated by using the heights T and P of the core legs, the window width t, and the length A from the center of the arc of the core leg to one side. The average magnetic path length LB is therefore significantly shortened for the flattened core legs.
次に、ＩＪ／Ｔ、ｎ＝αとおけば、式（６）および式（
７）より
が得られる。Next, by setting IJ/T and n=α, equation (6) and equation (
7) You can get more strength.
第５図はギャップ量ｔ２ と平均磁路長Ｔ、Ｂ との
比αをノぐラメータとする巻線のインダクタンスＬと巻
線の電流■との関係を示す曲線群で、鉄心の有効断面積
Ｓを小さクシ、巻線の巻数Ｎを大とし、ギャップ量ｔｙ
を大きくし、平均磁路長ＬＨを小さくすることにより、
それぞれ比α１．α２．α３の値に従ってインダクタン
スＬと電流■とが変化することが実験的に実証されてい
る。Figure 5 is a group of curves showing the relationship between the winding inductance L and the winding current ■, where the ratio α between the gap amount t2 and the average magnetic path length T, B is the parameter, and the effective cross-sectional area of the iron core is S is a small comb, the number of winding turns N is large, and the gap amount ty
By increasing , and decreasing the average magnetic path length LH,
Ratio α1. α2. It has been experimentally demonstrated that the inductance L and the current ■ change according to the value of α3.
第６図は飽和を無視したときの鉄心脚の磁束密度Ｂｍは
電流■に比例すると仮定した場合のインダクタンスＬと
電流Ｉとの変化を比αｌ、α２をノぐラメ−夕として示
す曲線群である。Figure 6 is a group of curves showing the changes in inductance L and current I as ratios αl and α2, assuming that the magnetic flux density Bm of the core leg is proportional to current I when saturation is ignored. be.
第７図は１／α＝β とし、 １１ｍ＝＝Ｘとおいた
場合のインダクタンスＬと磁束密度１１ｍ＝Ｘとの関係
を示す曲線である。第７図においてインダクタンスＬが
同一の値を示すＢｍ＝Ｘの範囲は
Ｂｍ＝Ｘ”〜「π刀−・・・・・・（９）となり、式（
９）に式（８）を代入することにより弐〇〇がここに、
θは鉄心材質、鉄心構造によって決定される定数（例え
ば３）であって、実験的最大の磁束密度Ｂｍ を得るこ
とを実証することにより得られる値である。FIG. 7 is a curve showing the relationship between inductance L and magnetic flux density 11m=X when 1/α=β and 11m==X. In FIG. 7, the range of Bm=X in which the inductance L has the same value is Bm=X'' to
By substituting formula (8) into 9), 200 is here,
θ is a constant (for example, 3) determined by the core material and core structure, and is a value obtained by experimentally proving that the maximum magnetic flux density Bm is obtained.
このように、本発明の衝合型リアクトルの扁平馬てい形
鉄心脚の構造においては、平均磁路長を著しく短縮し得
るので、ギャップ量を大きくすることにより、両者の比
の選定に従って、巻線の電流の変化する一定の範囲内に
おいて巻線のインダクタンスを一定に維持しうろことが
判明した。As described above, in the structure of the flat horse-shaped core legs of the abutment type reactor of the present invention, the average magnetic path length can be significantly shortened. It has been found that the inductance of the winding can be kept constant within a certain range of changes in the current in the wire.
第１図は本発明の衝合型リアクトルの環状成層鉄心の変
形状態を示す説明図である。
第２図（５）および同（Ｂ）および第３図へ）および同
（Ｂ）は、いずれも、本発明の衝合型リアクトルの一実
施例の、それぞれ、平面図および側面図あるいは正面図
を示す概略図である。
第４図より第７図は、第２図および第３図に示す実施例
のインダクタンスと電流あるいは磁束密度等との関係を
示す特性図である。
図において
２．２’：だ円形状ヨーク
３ 、３’、 ３” ４ 、４／ 、 ４／７：扁平馬
てい形鉄心脚５．５’：巻線
６．６’：絶縁板
Ｄ＝鉄心脚の外径
ｄ：鉄心脚の内径
■４．：鉄心脚の高さ
ｔ：鉄心脚の窓幅
７−
Ａ：鉄心脚の円弧の中心よりその一辺寸での長さＬ：イ
ンダクタンス
■＝雷電
流ｍ：磁束密度
Ｘ ： Ｔ’（ｍ
特許出願人 トクデン株式会社
’−５１−
８−
フｔベロ４．．ムナ
コ ｔＭｌ；ｌ＜Ｐ
５FIG. 1 is an explanatory diagram showing a deformed state of an annular layered core of a butting type reactor according to the present invention. 2(5) and 2(B) and 3) and 3(B) are respectively a plan view and a side view or a front view of an embodiment of the butting type reactor of the present invention. FIG. FIGS. 4 to 7 are characteristic diagrams showing the relationship between inductance and current, magnetic flux density, etc. of the embodiments shown in FIGS. 2 and 3. In the figure, 2.2': Elliptical yoke 3, 3', 3'' 4, 4/, 4/7: Flat horse-shaped core Leg 5.5': Winding 6.6': Insulating plate D = core Outer diameter of the leg d: Inner diameter of the core leg ■4.: Height of the core leg t: Window width of the core leg 7- A: Length from the center of the arc of the core leg to one side dimension L: Inductance ■ = Lightning Current m: Magnetic flux density
Claims (1)
形状のヨークと、および、同じく環状成層鉄心を変形熱
処理して得る断面がだ円形状の鉄心脚とより成り、この
だ円形状の鉄心脚が中央において二分割されて扁平馬て
い形鉄心脚を形成し、この扁平馬てい形鉄心脚がさらに
その軸方向に分割されて上記の環状成層鉄心より成る鉄
心脚に比して平均磁路長を短縮するように構成されるこ
とを特徴とする衝合型リアクトル。 （２） ギャップ量ｔ２ と平均磁路長ＬＲとの比
αが１．５８ Ｔ、Ｔ２Ｘ ］ Ｑ１１ にて表わされるとき、インダクタンスＬが比αに従って
変化することを特徴とする特許請求の範囲第１項に記載
される衝合型リアクトル。 にて表わされるとき、鉄心材質あるいは鉄心構造により
決定される定数θが３のときに最大の磁束密度を得るこ
とを特徴とする特許請求の範囲第１項に記載される衝合
型リアクトル。[Scope of Claims] (]) A yoke with an elliptical cross section obtained by subjecting the annular layered iron core to deformation heat treatment i~, and a core leg having an elliptical cross section obtained by similarly obtaining the deformation heat treatment of the annular layered iron core. This elliptical core leg is divided into two at the center to form a flat horse-shaped core leg, and this flat horse-shaped core leg is further divided in the axial direction to form the core made of the above-mentioned annular stratified core. An abutting reactor characterized by being configured to shorten the average magnetic path length compared to the legs. (2) When the ratio α between the gap amount t2 and the average magnetic path length LR is expressed as 1.58 T, T2X]Q11, the inductance L changes according to the ratio α, Claim 1 Collision type reactor described in Section. 2. The butting type reactor according to claim 1, wherein the maximum magnetic flux density is obtained when a constant θ determined by the core material or core structure is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21335982A JPS59104110A (en) | 1982-12-07 | 1982-12-07 | Butt joint reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21335982A JPS59104110A (en) | 1982-12-07 | 1982-12-07 | Butt joint reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59104110A true JPS59104110A (en) | 1984-06-15 |
Family
ID=16637865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21335982A Pending JPS59104110A (en) | 1982-12-07 | 1982-12-07 | Butt joint reactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59104110A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000025327A1 (en) * | 1998-10-26 | 2000-05-04 | A.T.T. Advanced Transformer Technologies (1998) Ltd. | A three-phase transformer |
| JP2015119089A (en) * | 2013-12-19 | 2015-06-25 | スミダコーポレーション株式会社 | Coil component, manufacturing method of the same, and coil component set |
-
1982
- 1982-12-07 JP JP21335982A patent/JPS59104110A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000025327A1 (en) * | 1998-10-26 | 2000-05-04 | A.T.T. Advanced Transformer Technologies (1998) Ltd. | A three-phase transformer |
| US6792666B1 (en) | 1998-10-26 | 2004-09-21 | A.T.T Advanced Transformer Technologies (1998) Ltd. | Three-phase transformer |
| US6880228B2 (en) | 1998-10-26 | 2005-04-19 | A.T.T. Advanced Transformer Technologies, Ltd. | Method for manufacturing a three-phase transformer |
| JP2015119089A (en) * | 2013-12-19 | 2015-06-25 | スミダコーポレーション株式会社 | Coil component, manufacturing method of the same, and coil component set |
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