JP3445308B2 - Oxide superconducting conductor for power transport and method for producing the same - Google Patents
Oxide superconducting conductor for power transport and method for producing the sameInfo
- Publication number
- JP3445308B2 JP3445308B2 JP12004793A JP12004793A JP3445308B2 JP 3445308 B2 JP3445308 B2 JP 3445308B2 JP 12004793 A JP12004793 A JP 12004793A JP 12004793 A JP12004793 A JP 12004793A JP 3445308 B2 JP3445308 B2 JP 3445308B2
- Authority
- JP
- Japan
- Prior art keywords
- superconducting conductor
- oxide
- former
- oxide superconducting
- oxide superconductor
- Prior art date
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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- Superconductors And Manufacturing Methods Therefor (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ケーブル等に適用可能
な酸化物超電導導体およびその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oxide superconducting conductor applicable to cables and the like and a method for producing the same.
【０００２】[0002]
【従来の技術】近年、ＹＢａＣｕＯ系，ＢｉＳｒＣａＣ
ｕＯ系，ＴｌＢａＣａＣｕＯ系等のように液体窒素温度
を超える臨界温度（Ｔｃ）を有する酸化物超電導体が知
られている。2. Description of the Related Art In recent years, YBaCuO system, BiSrCaC
Oxide superconductors such as uO type and TlBaCaCuO type which have a critical temperature (Tc) exceeding the liquid nitrogen temperature are known.
【０００３】このような酸化物超電導体を応用するため
に、酸化物超電導体を種々の形状に成型することが検討
されている。例えば、酸化物超電導体を線状体に成型す
る場合には、一般に金属シース法が用いられている。こ
の方法は、金属製パイプ内に酸化物超電導体の原料粉末
を充填し、これを所望形状・寸法に縮径加工した後に熱
処理を施すものである。ここで行われる縮径加工として
は、目的とする線状体の形状に応じて押出加工、引抜加
工、スウェージング加工、圧延加工等の従来から用いら
れている塑性加工法をそのまま適用することができる。In order to apply such an oxide superconductor, molding of the oxide superconductor into various shapes has been studied. For example, when molding an oxide superconductor into a linear body, a metal sheath method is generally used. In this method, a metal pipe is filled with a raw material powder of an oxide superconductor, and the powder is reduced in diameter to a desired shape and size, and then heat treated. As the diameter reduction process performed here, it is possible to directly apply the conventionally used plastic working methods such as extrusion, drawing, swaging, and rolling according to the shape of the target linear body. it can.
【０００４】金属製パイプに使用される材料としては、
熱伝導性、電気伝導性に優れた材料、例えばＡｇ，Ａｇ
合金，Ｃｕ，Ｃｕ合金等を適用できる。この中でも、酸
素透過性に優れるＡｇ，Ａｇ合金を用いることが好まし
い。Materials used for metal pipes include
Materials with excellent thermal and electrical conductivity, such as Ag, Ag
Alloys, Cu, Cu alloys, etc. can be applied. Among these, it is preferable to use Ag or Ag alloy having excellent oxygen permeability.
【０００５】例えば、酸化物超電導体としてＢｉ（２２
２３）系またはＴｌ系を用いる場合は、酸化物超電導体
またはその原料粉末を金属製パイプに充填し、塑性加工
および熱処理を少なくとも１回施して複合線材を作製
し、これを単芯または多芯の形態で、そのままもしくは
ＳＵＳパイプ等からなるフォーマー上に張り付けて酸化
物超電導導体を作製する。For example, as an oxide superconductor, Bi (22
In the case of using the 23) system or Tl system, a metal pipe is filled with an oxide superconductor or its raw material powder, and plastic working and heat treatment are performed at least once to produce a composite wire, which is single-core or multi-core. In this form, the oxide superconducting conductor is produced as it is or by pasting it on a former made of SUS pipe or the like.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、フォー
マーとしてＳＵＳパイプ等を使用しているため、このタ
イプの酸化物超電導導体はドラム等に巻回することがで
きない。したがって、酸化物超電導導体の輸送形態が直
線状となり、輸送できる１本の長さは長くても数１０ｍ
になってしまう。このため、長尺の酸化物超電導導体を
輸送することは難しい。However, since the SUS pipe or the like is used as the former, the oxide superconducting conductor of this type cannot be wound around the drum or the like. Therefore, the transport mode of the oxide superconducting conductor becomes linear, and the length of one transportable wire is at most several tens of meters.
Become. Therefore, it is difficult to transport a long oxide superconducting conductor.
【０００７】一方、長尺の酸化物超電導体を輸送するた
めに、酸化物超電導導体をそのまま巻回すると、酸化物
超電導体に曲げ歪みが加わり、超電導特性が低下する。On the other hand, if the oxide superconductor is wound as it is in order to transport a long oxide superconductor, bending strain is applied to the oxide superconductor, and the superconductivity is deteriorated.
【０００８】本発明はかかる点に鑑みてなされたもので
あり、長尺体であっても超電導特性を保持したまま簡易
な輸送形態として輸送することができる電力輸送用酸化
物超電導導体およびそのような酸化物超電導導体を得る
ことができる製造方法を提供することを目的とする。The present invention has been made in view of the above points, and an oxide superconducting conductor for electric power transportation, which can be transported in a simple transportation mode while maintaining superconducting characteristics even in a long body, and the like. An object of the present invention is to provide a manufacturing method capable of obtaining a transparent oxide superconducting conductor.
【０００９】[0009]
【課題を解決するための手段】本発明は、可撓性を有す
る波付け管と、前記波付け管の外周に設けられた平坦部
材とにより形成された、外表面が平坦なフォーマー上
に、金属材料および酸化物超電導体からなる複数の複合
部材が設けられてなることを特徴とする電力輸送用酸化
物超電導導体を提供する。The present invention provides a former having a flat outer surface, which is formed by a corrugated pipe having flexibility and a flat member provided on the outer circumference of the corrugated pipe. Provided is an oxide superconducting conductor for electric power transportation, comprising a plurality of composite members made of a metal material and an oxide superconductor.
【００１０】また、本発明は、可撓性を有する波付け管
の外周に平坦部材を設けて前記波付け管の外表面を平坦
にしてフォーマーを形成する工程と、前記フォーマーの
前記外表面に金属材料および酸化物超電導体からなる複
数の複合線材を設ける工程とを具備することを特徴とす
る電力輸送用酸化物超電導導体の製造方法を提供する。In the present invention, a step of forming a former by flattening the outer surface of the corrugated tube by providing a flat member on the outer circumference of the corrugated tube having flexibility, and forming the former on the outer surface of the former And a step of providing a plurality of composite wires made of a metal material and an oxide superconductor.
【００１１】ここで、酸化物超電導体としては、ＹＢａ
ＣｕＯ系，ＢｉＳｒＣａＣｕＯ系，ＴｌＢａＣａＣｕＯ
系等の酸化物超電導体を用いることができる。また、金
属材料としては、Ａｇ，Ａｇ合金，Ｃｕ，Ｃｕ合金等を
用いることができる。この中でも、酸素透過性に優れる
Ａｇ，Ａｇ合金を用いることが好ましい。Here, as the oxide superconductor, YBa
CuO type, BiSrCaCuO type, TlBaCaCuO
An oxide superconductor such as a system can be used. Further, as the metal material, Ag, Ag alloy, Cu, Cu alloy or the like can be used. Among these, it is preferable to use Ag or Ag alloy having excellent oxygen permeability.
【００１２】金属材料と酸化物超電導体とを複合して複
合線材を得る方法としては、金属シース法、コンフォー
ム複合押出法等を採用することができる。As a method for obtaining a composite wire by combining a metal material and an oxide superconductor, a metal sheath method, a conform composite extrusion method or the like can be adopted.
【００１３】波付け管としては、円弧独立波付け管、連
続スパイラル管、Ω字山型スパイラル管、またはＵ字山
型スパイラル管等の各種の波付け管を適宜選択して使用
することができる。また、波付け管を構成する材料とし
ては、銅、アルミニウム、チタン、ステンレス鋼、銅合
金、アルミニウム合金、チタン合金等の金属材料、繊維
強化プラスチック等の高分子材料を用いることができ
る。As the corrugated pipe, various corrugated pipes such as arc independent corrugated pipe, continuous spiral pipe, Ω-shaped spiral pipe, U-shaped spiral pipe and the like can be appropriately selected and used. . As a material for forming the corrugated pipe, a metal material such as copper, aluminum, titanium, stainless steel, a copper alloy, an aluminum alloy or a titanium alloy, or a polymer material such as fiber reinforced plastic can be used.
【００１４】平坦部材とは、波付け管の外表面に巻き付
けてフォーマーを構成したときに、酸化物超電導体に局
部的な応力を加えることなく酸化物超電導体を固定する
ことができるものをいう。このような平坦部材として
は、例えば、銀、銅、ＳＵＳ、銀合金、銅合金等からな
るテープ、ＳＵＳ、銅、アルミナ等からなる編組、銅、
銀、ＳＵＳ等からなる線材を用いることができる。これ
らの平坦部材を用いて波付け管の外表面を平坦にする手
段としては、上記編組を波付け管の外表面に巻き付ける
手段、上記線材を波付け管の谷部に沿って巻き付ける手
段等が例示できる。The flat member is a member which can fix the oxide superconductor without applying a local stress to the oxide superconductor when the former is formed by winding the flat member on the outer surface of the corrugated pipe. . As such a flat member, for example, a tape made of silver, copper, SUS, a silver alloy, a copper alloy, etc., a braid made of SUS, copper, alumina, etc., copper,
A wire made of silver, SUS or the like can be used. As means for flattening the outer surface of the corrugated pipe using these flat members, there are means for winding the braid on the outer surface of the corrugated pipe, means for winding the wire along the valley portion of the corrugated pipe, and the like. It can be illustrated.
【００１５】フォーマーの外表面に複合線材を設ける方
法としては、複合線材を波付け管の外表面に巻き付ける
方法が好ましい。As a method of providing the composite wire on the outer surface of the former, a method of winding the composite wire around the outer surface of the corrugated pipe is preferable.
【００１６】[0016]
【作用】本発明の電力輸送用酸化物超電導導体は、波付
け管の外周に平坦部材を設けて外表面を平坦とし、その
上に金属材料および酸化物超電導体からなる複数の複合
線材を固定してなることを特徴としている。In the oxide superconducting conductor for electric power transportation of the present invention, a flat member is provided on the outer periphery of the corrugated pipe to make the outer surface flat, and a plurality of composite wire rods made of a metal material and an oxide superconductor are fixed thereon. It is characterized by doing.
【００１７】可撓性を有する波付け管を用いているの
で、酸化物超電導導体としては屈曲性に富み、長尺体で
あってもドラム等に巻き付けて簡易な輸送形態とするこ
とができる。Since the corrugated pipe having flexibility is used, the oxide superconducting conductor has a great flexibility, and even a long body can be wound around a drum or the like for a simple transportation form.
【００１８】また、平坦部材を用いて波付け管の外表面
を平坦にすることにより、平坦部材上に複合線材を固定
する際に波付け管の山部により複合線材に局部的に強い
応力が加わることを防止できる。このため、ドラム等に
巻き付ける場合でも酸化物超電導体の超電導特性を低下
させることがない。Further, by flattening the outer surface of the corrugated pipe by using the flat member, when the composite wire rod is fixed on the flat member, the mountain portion of the corrugated pipe locally applies a strong stress to the composite wire rod. It can be prevented from joining. Therefore, even when wound around a drum or the like, the superconducting property of the oxide superconductor is not deteriorated.
【００１９】[0019]
【実施例】以下、本発明の実施例を図面を参照して具体
的に説明する。Embodiments of the present invention will be specifically described below with reference to the drawings.
【００２０】Ｂｉ2 Ｏ3 、ＰｂＯ、ＳｒＣＯ3 、ＣａＣ
Ｏ3 、ＣｕＯの一次原料をＢｉ：Ｐｂ：Ｓｒ：Ｃａ：Ｃ
ｕ＝１．６：０．４：２：２：３となるように配合・混
合した後、大気中で８００℃×５０ｈｒの仮焼成を行
い、仮焼粉末を作製した。Bi 2 O 3 , PbO, SrCO 3 , CaC
The primary raw materials of O 3 and CuO are Bi: Pb: Sr: Ca: C.
After blending and mixing so that u = 1.6: 0.4: 2: 2: 3, calcination was performed in the air at 800 ° C. for 50 hours to prepare a calcined powder.
【００２１】次いで、この仮焼粉末をＣＩＰ成形して外
径約１５mmφの棒状体とし、これをあらかじめ機械加工
により作製した外径２５mmφ、内径１５mmφの銀パイプ
内に挿入して第１の複合ビレットを得た。得られた第１
の複合ビレットを外径５mmφまでスウェージング加工を
施し、続けて伸線加工を施して外径３．０mmの六角線材
を作製した。Next, the calcined powder was CIP-molded into a rod-shaped body having an outer diameter of about 15 mmφ, which was inserted into a silver pipe having an outer diameter of 25 mmφ and an inner diameter of 15 mmφ which was previously machined to insert the first composite billet. Got First obtained
The composite billet of No. 1 was swaged to an outer diameter of 5 mmφ, and then drawn to produce a hexagonal wire rod having an outer diameter of 3.0 mm.
【００２２】次いで、このようにして得られた六角線材
の３７本をあらかじめ機械加工により作製した外径２５
mmφ、内径２０mmφの銀パイプ内に挿入して第２の複合
ビレットを得た。得られた第２の複合ビレットを外径５
mmφまでスウェージング加工を施し、続けて外径１．５
mmφまで伸線加工を施し、さらに圧延加工を施して幅３
mm、厚さ０．２５mmのテープ状体に仕上げた。Then, 37 hexagonal wire rods thus obtained were machined in advance to obtain an outer diameter of 25.
A second composite billet was obtained by inserting it into a silver pipe having an mmφ and an inner diameter of 20 mmφ. The obtained second composite billet has an outer diameter of 5
Swage processing is performed up to mmφ, and then the outer diameter is 1.5
Width 3 after wire drawing up to mmφ and rolling
mm, and a tape-shaped body having a thickness of 0.25 mm.
【００２３】その後、これに大気中で８３５℃×５０ｈ
ｒの熱処理を施し、さらに圧延加工および大気中におけ
る８３５℃×５０ｈｒの熱処理を施して多芯酸化物超電
導体を作製した。得られた多芯酸化物超電導体につい
て、液体窒素中、０磁場における直流臨界電流（Ｉｃ）
を測定したところ５２０Ａであった。Then, in the air, the temperature is changed to 835 ° C. × 50 h.
A multi-core oxide superconductor was produced by performing a heat treatment of r, and further performing a rolling process and a heat treatment of 835 ° C. × 50 hr in the atmosphere. Regarding the obtained multi-core oxide superconductor, direct current critical current (Ic) in liquid nitrogen at 0 magnetic field
Was 520 A.
【００２４】次いで、図１に示すように、アルミニウム
製の波付き管１０の外表面に平坦部材として銀テープ１
１を巻き付けて、波付き管１０の凹凸を無くして平坦に
することによりフォーマー１２を作製した。次いで、図
２に示すように、このフォーマー１２に多芯酸化物超電
導体１３を１層２５枚として隣接する層における巻き付
け方向が互いに異なるようにして１０層巻き付けて長さ
１ｍの酸化物超電導導体１を作製した。Then, as shown in FIG. 1, a silver tape 1 is formed as a flat member on the outer surface of the corrugated tube 10 made of aluminum.
The former 12 was produced by winding 1 to flatten the corrugated tube 10 by removing the irregularities. Next, as shown in FIG. 2, the former 12 has 25 multi-core oxide superconductors 13 as one layer, and 10 layers are wound so that the winding directions in adjacent layers are different from each other. 1 was produced.
【００２５】得られた酸化物超電導導体１について、液
体窒素中、０磁場における直流臨界電流並びに１％およ
び２％の曲げ歪を加えた後の液体窒素中、０磁場におけ
る直流臨界電流を測定した。その結果、曲げ歪がない状
態では５１５Ａ、１％の曲げ歪を加えた状態では５１５
Ａ（Ｉｃ低下率０％）、２％の曲げ歪を加えた状態では
５０７Ａ（Ｉｃ低下率１．６％）であった。このよう
に、本発明の酸化物超電導導体は、曲げ歪が加わっても
超電導特性が低下せず、長尺体であっても巻回して輸送
することができることが分かった。With respect to the obtained oxide superconducting conductor 1, a DC critical current in liquid nitrogen at 0 magnetic field and a DC critical current in liquid nitrogen after applying 1% and 2% bending strain were measured. . As a result, 515A in the state without bending strain and 515A in the state with 1% bending strain applied.
A (Ic reduction rate 0%) was 507A (Ic reduction rate 1.6%) in the state where a bending strain of 2% was applied. As described above, it was found that the oxide superconducting conductor of the present invention does not deteriorate in superconducting properties even if bending strain is applied, and that even a long body can be wound and transported.
【００２６】実施例２
六角線材の本数を３１本にすること以外は実施例１と同
様にして多芯酸化物超電導体を作製した。得られた多芯
酸化物超電導体について、液体窒素中、０磁場における
直流臨界電流を測定したところ５７３Ａであった。Example 2 A multi-core oxide superconductor was produced in the same manner as in Example 1 except that the number of hexagonal wire rods was 31. The DC critical current of the obtained multicore oxide superconductor in liquid nitrogen at 0 magnetic field was 573 A.
【００２７】次いで、図３に示すように、アルミニウム
製の波付き管１０の外表面に平坦部材としてＳＵＳ編組
１４を巻き付けて、波付き管１０の凹凸を無くして平坦
にすることによりフォーマー１２を作製した。次いで、
実施例１と同様にして長さ１ｍの酸化物超電導導体１を
作製した。Next, as shown in FIG. 3, the outer surface of the corrugated tube 10 made of aluminum is wrapped with a SUS braid 14 as a flat member to eliminate the irregularities of the corrugated tube 10 and flatten the former 12. It was made. Then
An oxide superconducting conductor 1 having a length of 1 m was produced in the same manner as in Example 1.
【００２８】得られた酸化物超電導導体１について、液
体窒素中、０磁場における直流臨界電流並びに１％およ
び２％の曲げ歪を加えた後の液体窒素中、０磁場におけ
る直流臨界電流を測定した。その結果、曲げ歪がない状
態では５７０Ａ、１％の曲げ歪を加えた状態では５７０
Ａ（Ｉｃ低下率０％）、２％の曲げ歪を加えた状態では
５６５Ａ（Ｉｃ低下率０．９％）であった。このよう
に、本発明の酸化物超電導導体は、曲げ歪が加わっても
超電導特性が低下せず、長尺体であっても巻回して輸送
することができることが分かった。With respect to the obtained oxide superconducting conductor 1, the DC critical current in liquid nitrogen at 0 magnetic field and the DC critical current in liquid nitrogen after applying bending strains of 1% and 2% were measured. . As a result, 570A in the state without bending strain and 570A in the state with 1% bending strain applied.
A (Ic decrease rate 0%) was 565A (Ic decrease rate 0.9%) in the state where 2% bending strain was applied. As described above, it was found that the oxide superconducting conductor of the present invention does not deteriorate in superconducting properties even if bending strain is applied, and that even a long body can be wound and transported.
【００２９】実施例３
六角線材の本数を６４本にすること以外は実施例１と同
様にして多芯酸化物超電導体を作製した。得られた多芯
酸化物超電導体について、液体窒素中、０磁場における
直流臨界電流を測定したところ４００Ａであった。Example 3 A multicore oxide superconductor was produced in the same manner as in Example 1 except that the number of hexagonal wires was 64. The DC critical current of the obtained multicore oxide superconductor in liquid nitrogen at 0 magnetic field was 400 A.
【００３０】次いで、図４に示すように、アルミニウム
製の波付き管１０の外表面の凹部に平坦部材として銅線
１５を巻き付けて、波付き管１０の凹凸を無くして平坦
にすることによりフォーマー１２を作製した。次いで、
実施例１と同様にして長さ１ｍの酸化物超電導導体１を
作製した。Next, as shown in FIG. 4, a copper wire 15 is wound as a flat member on the concave portion of the outer surface of the corrugated tube 10 made of aluminum to flatten the corrugated tube 10 by eliminating the irregularities. 12 was produced. Then
An oxide superconducting conductor 1 having a length of 1 m was produced in the same manner as in Example 1.
【００３１】得られた酸化物超電導導体１について、液
体窒素中、０磁場における直流臨界電流並びに１％およ
び２％の曲げ歪を加えた後の液体窒素中、０磁場におけ
る直流臨界電流を測定した。その結果、曲げ歪がない状
態では３９５Ａ、１％の曲げ歪を加えた状態では３９４
Ａ（Ｉｃ低下率０．３％）、２％の曲げ歪を加えた状態
では３８４Ａ（Ｉｃ低下率２．８％）であった。このよ
うに、本発明の酸化物超電導導体は、曲げ歪が加わって
も超電導特性が低下せず、長尺体であっても巻回して輸
送することができることが分かった。With respect to the obtained oxide superconducting conductor 1, the DC critical current in liquid nitrogen at 0 magnetic field and the DC critical current in liquid nitrogen after applying 1% and 2% bending strain were measured. . As a result, 395 A in the absence of bending strain and 394 A in the state of applying 1% bending strain.
A (Ic decrease rate: 0.3%) was 384A (Ic decrease rate: 2.8%) in a state where a bending strain of 2% was applied. As described above, it was found that the oxide superconducting conductor of the present invention does not deteriorate in superconducting properties even if bending strain is applied, and that even a long body can be wound and transported.
【００３２】[0032]
【発明の効果】以上説明した如く本発明の電力輸送用酸
化物超電導導体は、波付け管の外周に平坦部材を設けて
外表面を平坦とし、その上に金属材料および酸化物超電
導体からなる複数の複合線材を固定してなるので、長尺
体であっても超電導特性を保持したまま簡易な輸送形態
として輸送することができる。As described above, the oxide superconducting conductor for electric power transportation of the present invention is provided with a flat member on the outer periphery of the corrugated tube to make the outer surface flat, and is made of a metal material and an oxide superconductor on the flat surface. Since a plurality of composite wires are fixed, even a long body can be transported in a simple transportation mode while maintaining superconducting properties.
【図１】本発明の電力輸送用酸化物超電導導体における
フォーマーの一例を説明するための概略図。FIG. 1 is a schematic diagram for explaining an example of a former in an oxide superconducting conductor for electric power transportation of the present invention.
【図２】本発明の電力輸送用酸化物超電導導体の一実施
例を示す概略図。FIG. 2 is a schematic view showing an example of an oxide superconducting conductor for electric power transportation of the present invention.
【図３】本発明の電力輸送用酸化物超電導導体における
フォーマーの他の例を説明するための概略図。FIG. 3 is a schematic diagram for explaining another example of the former in the oxide superconducting conductor for electric power transportation of the present invention.
【図４】本発明の電力輸送用酸化物超電導導体における
フォーマーの他の例を説明するための概略図。FIG. 4 is a schematic diagram for explaining another example of the former in the oxide superconducting conductor for electric power transportation of the present invention.
１０…波付き管、１１…銀テープ、１２…フォーマー、
１３…多芯酸化物超電導体、１４…ＳＵＳ編組、１５…
銅線。10 ... Wavy tube, 11 ... Silver tape, 12 ... Former,
13 ... Multi-core oxide superconductor, 14 ... SUS braid, 15 ...
Copper wire.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平７−114838（ＪＰ，Ａ) 特開 平５−28856（ＪＰ，Ａ) 特開 平５−28850（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01B 12/00 - 13/00 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-7-114838 (JP, A) JP-A-5-28856 (JP, A) JP-A-5-28850 (JP, A) (58) Field (Int.Cl. 7 , DB name) H01B 12/00-13/00
Claims (2)
管の外周に設けられた平坦部材とにより形成された、外
表面が平坦なフォーマー上に、金属材料および酸化物超
電導体からなる複数の複合部材が設けられてなることを
特徴とする電力輸送用酸化物超電導導体。A corrugated tube having a 1. A flexible, formed by a flat member provided on an outer periphery of the corrugation tube, outer
An oxide superconducting conductor for power transportation, comprising: a former having a flat surface , and a plurality of composite members made of a metal material and an oxide superconductor provided on the former.
材を設けて前記波付け管の外表面を平坦にしてフォーマ
ーを形成する工程と、前記フォーマーの前記外表面に金
属材料および酸化物超電導体からなる複数の複合線材を
設ける工程とを具備することを特徴とする電力輸送用酸
化物超電導導体の製造方法。2. A step of forming a former by flattening an outer surface of the corrugated tube by providing a flat member on the outer circumference of the corrugated tube having flexibility, and a metal material and an oxide on the outer surface of the former. And a step of providing a plurality of composite wire rods made of a superconducting oxide, the method for producing an oxide superconducting conductor for electric power transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12004793A JP3445308B2 (en) | 1993-05-21 | 1993-05-21 | Oxide superconducting conductor for power transport and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12004793A JP3445308B2 (en) | 1993-05-21 | 1993-05-21 | Oxide superconducting conductor for power transport and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06333438A JPH06333438A (en) | 1994-12-02 |
| JP3445308B2 true JP3445308B2 (en) | 2003-09-08 |
Family
ID=14776583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12004793A Expired - Fee Related JP3445308B2 (en) | 1993-05-21 | 1993-05-21 | Oxide superconducting conductor for power transport and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3445308B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE517423T1 (en) * | 2009-03-25 | 2011-08-15 | Nexans | SUPERCONDUCTIVE ELECTRICAL CABLE |
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1993
- 1993-05-21 JP JP12004793A patent/JP3445308B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06333438A (en) | 1994-12-02 |
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