JPH04125433U - Current transformer - Google Patents
Current transformerInfo
- Publication number
- JPH04125433U JPH04125433U JP3099391U JP3099391U JPH04125433U JP H04125433 U JPH04125433 U JP H04125433U JP 3099391 U JP3099391 U JP 3099391U JP 3099391 U JP3099391 U JP 3099391U JP H04125433 U JPH04125433 U JP H04125433U
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- JP
- Japan
- Prior art keywords
- primary conductor
- primary
- conductor
- tank
- terminal
- 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.)
- Withdrawn
Links
- 239000004020 conductor Substances 0.000 claims abstract description 108
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 8
- 239000012212 insulator Substances 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 230000008602 contraction Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
(57)【要約】
【目的】温度変化に伴う1次導体の長さの変化を吸収し
て、しかも1次導体を強固に支持することができるよう
にする。
【構成】1次導体5の下端を支える1次導体支持装置2
0を設ける。この1次導体支持装置は、1次導体の下端
を受け止める受け板21と、受け板21の両端にバネ2
2a,22bを介して接続された固定金具23a,23
bとにより構成し、固定金具23a,23bをタンク1
に対して固定する。1次導体5の上端の端末部は剛性を
有する接続導体27a,27bにより1次端子9a,9
bに接続する。
(57) [Summary] [Purpose] To absorb changes in the length of the primary conductor due to temperature changes and to be able to firmly support the primary conductor. [Configuration] Primary conductor support device 2 that supports the lower end of the primary conductor 5
Set 0. This primary conductor support device includes a receiving plate 21 that receives the lower end of the primary conductor, and springs 2 at both ends of the receiving plate 21.
Fixing fittings 23a, 23 connected via 2a, 22b
b, and the fixing fittings 23a, 23b are attached to the tank 1.
Fixed against. The upper end of the primary conductor 5 is connected to primary terminals 9a, 9 by rigid connecting conductors 27a, 27b.
Connect to b.
Description
【0001】0001
本考案は変電所等に設置される電力用の変流器に関するものである。 The present invention relates to a power current transformer installed in a substation or the like.
【0002】0002
比較的電流定格が大きい変流器は、1次導体と、該1次導体と鎖交するように 設けられた鉄心に巻回された2次巻線とを絶縁油が充填されたタンク内に収納し た構造を有する。大電流が流れる1次導体は相当に大形になるため、通電電流に よる発熱や周囲温度の影響を受けて、その長さが相当に変化する。そのため1次 導体はその熱膨張収縮に伴う長さの変化を考慮して支持する必要がある。 A current transformer with a relatively large current rating has a primary conductor and a The secondary winding wound around the provided iron core is stored in a tank filled with insulating oil. It has a unique structure. The primary conductor through which a large current flows is quite large, so Its length changes considerably under the influence of the heat generated by it and the ambient temperature. Therefore, the primary It is necessary to support the conductor while taking into account changes in length due to thermal expansion and contraction.
【0003】 図3は3000A級の変流器の一般的な構造を示したもので、同図において1は下 部タンク、2は下部タンク1の上に下端が接続された碍管、3は碍管2の上端に 接続された上部タンクで、下部タンク1、碍管2及び上部タンク3により油密構 造のタンク4が構成されている。0003 Figure 3 shows the general structure of a 3000A class current transformer. part tank, 2 is an insulator pipe whose lower end is connected to the top of the lower tank 1, and 3 is an insulator pipe whose lower end is connected to the upper end of the insulator pipe 2. The connected upper tank has an oil-tight structure with the lower tank 1, insulator pipe 2 and upper tank 3. A built-in tank 4 is constructed.
【0004】 5はリング状に成形された鉄心鎖交部(リング状部)5Aと、該鉄心鎖交部か ら上方に立ち上がった立上がり部5Bとを有する、いわゆるアイボルト形の1次 導体である。立上がり部5Bでは導体501と502とが同心配置され、内側の 導体501は外側導体502の内側を通って鉄心鎖交部5Aに至り、該鉄心鎖交 部で1ターンないし数ターン巻回されて立上がり部5Bの外側の導体502につ ながっている。1次導体5の外面には絶縁紙が巻き付けられ、該絶縁紙により、 1次導体と対地間の絶縁を図る主絶縁5Cが構成されている。1次導体5は銅や アルミニウムのパイプからなっていて、その内側には油道が形成されている。0004 5 is a ring-shaped core linkage part (ring-shaped part) 5A, and a core linkage part 5A formed in a ring shape. A so-called eyebolt-shaped primary having a rising portion 5B rising upward from the It is a conductor. In the rising part 5B, conductors 501 and 502 are arranged concentrically, and the inner The conductor 501 passes through the inside of the outer conductor 502 to reach the core linkage portion 5A, and The conductor 502 is wound around the outside of the rising portion 5B by winding one turn or several turns at the It's flowing. Insulating paper is wrapped around the outer surface of the primary conductor 5, and the insulating paper allows Main insulation 5C is configured to provide insulation between the primary conductor and ground. The primary conductor 5 is made of copper or It consists of an aluminum pipe, with an oil channel formed inside.
【0005】 1次導体5は、その下端の鉄心鎖交部5Aを下部タンク1内に位置させてタン ク4内に収納され、該鉄心鎖交部5Aが、下部タンク1内に設けられた支持台6 a,6bに設けられたテーパ面6a1,6b1の上に載せられている。鉄心鎖交部5 Aと支持台6a,6bとの間には、波形プレスボード等からなるクッション7が 挟み込まれている。[0005] The primary conductor 5 is placed in a tank with its lower end core linking portion 5A located in the lower tank 1. The core linkage portion 5A is housed in the tank 4, and the core linkage portion 5A is attached to a support stand 6 provided in the lower tank 1. It is placed on tapered surfaces 6a1 and 6b1 provided on a and 6b. Iron core linkage part 5 A cushion 7 made of corrugated pressboard or the like is provided between A and the support stands 6a and 6b. It's trapped.
【0006】 1次導体5の立上がり部5Bの上端から上方に突出した導体501,502の 端部(1次導体の端末部)には端子接続部5a,5bが設けられ、上部タンク3 の相対する側壁3a,3bには1対の絶縁部材8a,8bを介して1次端子9a ,9bが取付けられている。端子接続部5a,5bはフレキシブルな接続導体1 0a,10bを介して相応する1次端子9a,9bに接続されている。[0006] The conductors 501 and 502 protrude upward from the upper end of the rising portion 5B of the primary conductor 5. Terminal connection parts 5a and 5b are provided at the ends (terminal parts of the primary conductor), and the upper tank 3 A primary terminal 9a is connected to the opposing side walls 3a, 3b via a pair of insulating members 8a, 8b. , 9b are attached. Terminal connection parts 5a and 5b are flexible connection conductors 1 0a, 10b to corresponding primary terminals 9a, 9b.
【0007】 1次導体5の下端の鉄心鎖交部と鎖交するように環状の鉄心11が配置され、 該鉄心11には2次巻線12がトロイダル状に分布巻されている。[0007] An annular core 11 is arranged so as to interlink with a core linkage portion at the lower end of the primary conductor 5, A secondary winding 12 is distributed around the iron core 11 in a toroidal manner.
【0008】 鉄心11及び2次巻線12は絶縁支持物13を介して下部タンクの底部に支持 されている。[0008] The iron core 11 and the secondary winding 12 are supported at the bottom of the lower tank via an insulating support 13. has been done.
【0009】 上部タンク3の上方にはベローズ等からなるフィーディングタンク(油量調節 タンク)14が配置され、該フィーディングタンクは接続管15を介して上部タ ンク3内に接続されている。フィーディングタンク14は上部タンク3に固定さ れたカバー16により覆われている。タンク4内には絶縁油が充填され、フィー ディングタンク14により熱膨張収縮による油の体積変化が吸収されるようにな っている。[0009] Above the upper tank 3 is a feeding tank (oil amount adjustment) consisting of bellows etc. tank) 14 is arranged, and the feeding tank is connected to the upper tank via a connecting pipe 15. Connected within link 3. The feeding tank 14 is fixed to the upper tank 3. It is covered with a covered cover 16. Tank 4 is filled with insulating oil, The oil volume change due to thermal expansion and contraction is absorbed by the ding tank 14. ing.
【0010】 図示してないが、下部タンク1の側面には2次巻線につながる2次端子を設け た2次端子盤が設けられている。0010 Although not shown, a secondary terminal connected to the secondary winding is provided on the side of the lower tank 1. A secondary terminal board is provided.
【0011】[0011]
大電流定格の変流器では、1次導体が銅やアルミニウムのパイプにより形成さ れるが、この1次導体は通電電流による発熱や周囲温度の変化に伴って膨張収縮 し、その長さが変化する。275KV級以上の定格の変流器では、その長さが1 0mm以上も変化することが確認されている。そのため従来は、図3に示したよう に、1次導体5の下部の鉄心鎖交部5Aをクッション7を介して支持台6a,6 bの上に載せるとともに、上端の端末部に設けた端子接続部5a,5bをフレキ シブルな接続導体10a,10bを介して1次端子9a,9bに接続し、接続導 体10a,10bの変形により、1次導体の伸びを吸収して主絶縁5Cに余計な 力が加わらないようにしていた。 In current transformers with high current ratings, the primary conductor is formed by copper or aluminum pipe. However, this primary conductor expands and contracts due to the heat generated by the current and changes in ambient temperature. and its length changes. For current transformers rated at 275KV class or higher, the length is 1 It has been confirmed that there is a change of more than 0 mm. Therefore, conventionally, as shown in Figure 3, Then, the lower core linkage portion 5A of the primary conductor 5 is placed on the support stands 6a, 6 via the cushion 7. At the same time, the terminal connecting parts 5a and 5b provided at the upper terminal part are placed on the flexible cable. Connect to the primary terminals 9a, 9b via flexible connection conductors 10a, 10b, and Due to the deformation of the bodies 10a and 10b, the elongation of the primary conductor is absorbed and the main insulation 5C is I tried not to apply any force to it.
【0012】 しかしながらこのような支持構造では、系統の故障電流が変流器の1次導体に 流れ込んだときにフレキシブルな接続導体が大きく振動して、1次導体の上端の 位置がずれる恐れがあった。また輸送時の振動に対しては1次導体の固定が十分 であるとはいえないため、設置場所への輸送に多くの手間を要するという問題が あった。0012 However, with such a support structure, the fault current of the system is transferred to the primary conductor of the current transformer. When the flow flows in, the flexible connecting conductor vibrates greatly, causing the upper end of the primary conductor to There was a risk that the position would shift. In addition, the primary conductor is sufficiently fixed to prevent vibrations during transportation. Since it cannot be said that it is a there were.
【0013】 本考案の目的は、1次導体を従来より強固に支持することができるようにした 変流器を提供することにある。[0013] The purpose of this invention is to support the primary conductor more firmly than before. Our purpose is to provide current transformers.
【0014】[0014]
本考案は、鉄心を鎖交させる鉄心鎖交部を下端に有し1次端子に接続される端 末部を上端に有する1次導体と、1次導体の鉄心鎖交部と鎖交するように配置さ れた鉄心に巻回された2次巻線とを、絶縁媒体が充填されたタンク内に収納して 、タンクの上部に設けられた1次端子に1次導体の端末部を接続した構造を有す る変流器に係わるものである。 The present invention has an iron core linkage part at the lower end that interlinks the iron core, and the end connected to the primary terminal. A primary conductor having a terminal end at the upper end, and a primary conductor arranged so as to interlink with the core interlocking part of the primary conductor. The secondary winding wound around the iron core is stored in a tank filled with an insulating medium. , has a structure in which the terminal of the primary conductor is connected to the primary terminal provided at the top of the tank. This is related to current transformers.
【0015】 本考案においては、1次導体受け板と該1次導体受け板の両端にバネを介して 接続された固定金具とを備えた1次導体支持装置をタンク内の下部に設け、この 1次導体支持装置の固定金具をタンクに対して固定する。1次導体の下端の鉄心 鎖交部を1次導体受け板の上に載せて、該受け板に1次導体を支持させる。1次 導体の端末部は剛性を有する接続導体を介して1次端子に接続する。[0015] In the present invention, a primary conductor receiving plate and a spring are connected to both ends of the primary conductor receiving plate. A primary conductor support device with connected fixing fittings is provided at the bottom of the tank, and this Fix the fixing fittings of the primary conductor support device to the tank. Iron core at the lower end of the primary conductor The interlinking portion is placed on the primary conductor receiving plate, and the primary conductor is supported by the receiving plate. primary The terminal portion of the conductor is connected to the primary terminal via a rigid connecting conductor.
【0016】[0016]
上記のように1次導体の端末部を剛性を有する接続導体を介して1次端子に接 続するようにすると、系統の故障電流が流れ込んだ際に接続導体が大きく振動す ることがないため、1次導体の上端部の位置がずれることがない。 As mentioned above, connect the terminal end of the primary conductor to the primary terminal via a rigid connecting conductor. This will prevent the connected conductor from vibrating greatly when fault current flows into the grid. Therefore, the position of the upper end of the primary conductor does not shift.
【0017】 また1次導体支持装置にはバネが設けられているため、該バネにより、温度の 変化に伴う1次導体の長さの変化を吸収することができる。[0017] In addition, since the primary conductor support device is equipped with a spring, the temperature can be controlled by the spring. Changes in the length of the primary conductor due to changes can be absorbed.
【0018】 更に1次導体支持装置のバネの強度と伸縮量とを適当に設定しておくことによ り、1次導体上の主絶縁に影響を与えることなく、1次導体をタンクに対して強 固に固定することができる。[0018] Furthermore, by appropriately setting the strength and amount of expansion and contraction of the spring of the primary conductor support device, strengthens the primary conductor against the tank without affecting the main insulation on the primary conductor. It can be fixed firmly.
【0019】[0019]
図1は図3に示した変流器に本考案を適用した実施例を示したもので、図1に おいて図3の各部と同等の部分には同一の符号を付してある。 Figure 1 shows an example in which the present invention is applied to the current transformer shown in Figure 3. In the figure, parts equivalent to those in FIG. 3 are given the same reference numerals.
【0020】 本実施例では、1次導体5を支えるために1次導体支持装置20を設けている 。この1次導体支持装置20は、図2に示したように、1次導体の下端のリング 状の鉄心鎖交部5Aの下面に沿うように湾曲した帯板状の1次導体受け板21と 、該1次導体受け板の両端にバネ22a,22bを介して接続された固定金具2 3a,23bとを備え、固定金具23a,23bは下部タンク1の相対する側面 1a,1bに溶接されたボス24a,24bに、ボルト25により固定されてい る。尚図2において26はボルト25の頭部と固定金具23a,23bとの間に 挿入されるバネワッシャである。固定金具23a,23bにはボルトを通すため の孔23a1,23b1が多数設けられており、固定金具23a,23bをボルトに より固定する際に、現物合わせでボルトを通す孔を選択することにより、1次導 体5及び碍管2の寸法公差を吸収するようにしている。[0020] In this embodiment, a primary conductor support device 20 is provided to support the primary conductor 5. . As shown in FIG. 2, this primary conductor support device 20 includes a ring at the lower end of the primary conductor. A strip-shaped primary conductor receiving plate 21 curved along the lower surface of the core linkage portion 5A. , a fixing fitting 2 connected to both ends of the primary conductor receiving plate via springs 22a and 22b. 3a, 23b, and the fixing fittings 23a, 23b are attached to opposite sides of the lower tank 1. It is fixed with bolts 25 to bosses 24a and 24b welded to 1a and 1b. Ru. In FIG. 2, 26 is between the head of the bolt 25 and the fixing fittings 23a and 23b. This is a spring washer that is inserted. For passing bolts through the fixing fittings 23a and 23b A large number of holes 23a1, 23b1 are provided, and the fixing fittings 23a, 23b can be attached to the bolts. When fixing, the primary conductor can be improved by selecting the hole through which the bolt will pass based on the actual item. The dimensional tolerances of the body 5 and the insulator tube 2 are accommodated.
【0021】 1次導体5はその下端の鉄心鎖交部5Aを1次導体受け板21の上に載せた状 態で支持され、1次導体5の上端の端末部に設けられた端子接続部5a,5bが それぞれ剛性を有するL字形の接続導体27a,27bを介して1次端子9a, 9bに接続されている。接続導体27a,27bとしては、十分な厚さを有する 銅やアルミニウムの帯板をL字形に成形したものを用いることができる。[0021] The primary conductor 5 has its lower end core linkage portion 5A placed on the primary conductor receiving plate 21. The terminal connection parts 5a and 5b provided at the upper end of the primary conductor 5 are The primary terminals 9a, 9b. The connection conductors 27a and 27b have sufficient thickness. An L-shaped strip of copper or aluminum may be used.
【0022】 下部タンク1の下端の両隅には、1次導体5をタンク内に組み込む際に該1次 導体の下端を仮に支える支持台28a,28bが溶接されている。またこれらの 支持台を溶接することにより下部タンク内の容積が縮小されて油量の節約が図ら れている。1次導体5を支持装置20により支持した状態では、1次導体5と支 持台28a,28bとの間に隙間が形成される。この隙間は温度変化に伴う1次 導体の伸縮量よりも大きく設定しておく。その他の点は図3に示したものと同様 である。[0022] At both corners of the lower end of the lower tank 1, when installing the primary conductor 5 into the tank, Support stands 28a and 28b that temporarily support the lower ends of the conductors are welded to each other. Also these By welding the support base, the volume inside the lower tank is reduced and the amount of oil is saved. It is. When the primary conductor 5 is supported by the support device 20, the primary conductor 5 and the support A gap is formed between the holders 28a and 28b. This gap is caused by a change in temperature. Set it to be larger than the amount of expansion and contraction of the conductor. Other points are the same as shown in Figure 3. It is.
【0023】 上記のように構成すると、1次導体5が温度変化により伸縮したときにバネ2 2a,22bが伸縮して1次導体の長さの変化を吸収する。またバネ22a,2 2bの強さを適宜に設定しておくことにより、1次導体を電磁振動や輸送時の振 動に対して十分強固に支持することができる。1次導体の上端は剛性を有する接 続導体27a,27bにより1次端子に接続されているため、電磁振動等により 1次導体の上端の位置が変化することはない。また振動により1次導体の下端が 振れた場合でもバネ22a,22bの復元力により元の位置に戻るため、1次導 体の位置がずれることがない。[0023] With the above configuration, when the primary conductor 5 expands and contracts due to temperature changes, the spring 2 2a and 22b expand and contract to absorb changes in the length of the primary conductor. Also, springs 22a, 2 By setting the strength of 2b appropriately, the primary conductor can be protected from electromagnetic vibration and vibration during transportation. It can be strongly supported against motion. The upper end of the primary conductor is a rigid contact. Since it is connected to the primary terminal by connecting conductors 27a and 27b, electromagnetic vibration etc. The position of the top end of the primary conductor does not change. Also, due to vibration, the lower end of the primary conductor Even if it swings, it will return to its original position due to the restoring force of the springs 22a and 22b, so the primary conductor The position of the body does not shift.
【0024】 上記の実施例では、1次導体の下端の鉄心交差部がリング状に成形されている が、下端の鉄心交差部をU字形に成形するヘアピン形の1次導体が用いられる場 合にも同様に本考案を適用することができる。[0024] In the above embodiment, the core intersection at the lower end of the primary conductor is formed into a ring shape. However, when a hairpin-shaped primary conductor is used in which the core intersection at the lower end is formed into a U-shape, The present invention can be similarly applied to such cases.
【0025】 上記の実施例では、図2に示したように、バネ22a,22bを2本ずつ設け ているが、更に多くのバネを設けることもできる。[0025] In the above embodiment, as shown in FIG. 2, two springs 22a and two springs 22b are provided. However, more springs can also be provided.
【0026】 またバネ22a,22b及び固定金具23a,23b付近の電界を緩和するた めにシールドを設けることもできる。[0026] In addition, in order to relieve the electric field near the springs 22a, 22b and the fixing fittings 23a, 23b, A shield can also be provided for this purpose.
【0027】[0027]
以上のように、本考案によれば、1次導体の端末部を剛性を有する接続導体を 介して1次端子に接続したので、系統の故障電流が流れ込んだ際に生じる電磁振 動等により1次導体の上端部の位置がずれるのを防ぐことができる。 As described above, according to the present invention, the terminal portion of the primary conductor is connected to a rigid connecting conductor. Since it is connected to the primary terminal through the This can prevent the upper end of the primary conductor from shifting due to movement or the like.
【0028】 また1次導体支持装置にはバネが設けられているため、該バネにより、温度の 変化に伴う1次導体の長さの変化を吸収することができる。[0028] In addition, since the primary conductor support device is equipped with a spring, the temperature can be controlled by the spring. Changes in the length of the primary conductor due to changes can be absorbed.
【0029】 更に1次導体支持装置にバネが設けたことにより、振動により1次導体の下端 が振れた場合でもその位置を自動的に元の位置に復元させることができるため、 電磁振動や輸送時の振動により1次導体の位置ずれが生じる恐れがない、機械的 に強固な変流器を得ることができる。[0029] Furthermore, by providing a spring in the primary conductor support device, the lower end of the primary conductor is Even if it shakes, its position can be automatically restored to its original position. Mechanical design that eliminates the risk of misalignment of the primary conductor due to electromagnetic vibration or vibration during transportation. You can get a strong current transformer.
【図1】本考案の実施例を示した縦断面図である。FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.
【図2】本考案の実施例で用いる1次導体支持装置を示
した斜視図である。FIG. 2 is a perspective view showing a primary conductor support device used in an embodiment of the present invention.
【図3】従来の変流器を示した縦断面図である。FIG. 3 is a longitudinal sectional view showing a conventional current transformer.
1…下部タンク、2…碍管、3…上部タンク、4…タン
ク、5…1次導体、5A…鉄心鎖交部、5B…立上がり
部、5a,5b…1次導体の端末部に設けられた端子接
続部、9a,9b…1次端子、11…鉄心、12…2次
巻線、20…1次導体支持装置、21…1次導体受け
板、22a,22b…バネ、23a,23b…固定金
具、27a,27b…剛性を有する接続導体。1...Lower tank, 2...Insulator pipe, 3...Upper tank, 4...Tank, 5...Primary conductor, 5A...Iron core linkage part, 5B...Rising part, 5a, 5b...Provided at the terminal part of the primary conductor Terminal connection part, 9a, 9b...Primary terminal, 11...Iron core, 12...Secondary winding, 20...Primary conductor support device, 21...Primary conductor receiving plate, 22a, 22b...Spring, 23a, 23b...Fixing Metal fittings, 27a, 27b...connecting conductors having rigidity.
Claims (1)
1次端子に接続される端末部を上端に有する1次導体
と、前記1次導体の鉄心鎖交部と鎖交するように配置さ
れた鉄心に巻回された2次巻線とを、絶縁媒体が充填さ
れたタンク内に収納し、前記タンクの上部に設けられた
1次端子に前記1次導体の端末部を接続してなる変流器
において、1次導体受け板と該1次導体受け板の両端に
バネを介して接続された固定金具とを備えた1次導体支
持装置が前記タンク内の下部に設けられて該1次導体支
持装置の固定金具が前記タンクに対して固定され、前記
1次導体はその下端の鉄心鎖交部が前記1次導体受け板
の上に載せられた状態で支持され、前記1次導体の端末
部は剛性を有する接続導体を介して前記1次端子に接続
されていることを特徴とする変流器。[Claim 1] A primary conductor having a core linkage portion interlinking with the iron core at the lower end and having a terminal portion connected to the primary terminal at the upper end, the primary conductor interlinking with the iron core linkage portion of the primary conductor. A secondary winding wound around an iron core arranged as shown in FIG. In the connected current transformer, a primary conductor support device comprising a primary conductor receiving plate and fixing fittings connected to both ends of the primary conductor receiving plate via springs is provided at a lower part in the tank. and the fixing fittings of the primary conductor support device are fixed to the tank, and the primary conductor is supported with its lower end core linkage portion placed on the primary conductor receiving plate, A current transformer, wherein an end portion of the primary conductor is connected to the primary terminal via a rigid connecting conductor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3099391U JPH04125433U (en) | 1991-05-07 | 1991-05-07 | Current transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3099391U JPH04125433U (en) | 1991-05-07 | 1991-05-07 | Current transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04125433U true JPH04125433U (en) | 1992-11-16 |
Family
ID=31914398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3099391U Withdrawn JPH04125433U (en) | 1991-05-07 | 1991-05-07 | Current transformer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04125433U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013145773A (en) * | 2012-01-13 | 2013-07-25 | Mitsubishi Electric Corp | Mold type transformer |
-
1991
- 1991-05-07 JP JP3099391U patent/JPH04125433U/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013145773A (en) * | 2012-01-13 | 2013-07-25 | Mitsubishi Electric Corp | Mold type transformer |
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