JPH03263710A - Superconducting electric path - Google Patents
Superconducting electric pathInfo
- Publication number
- JPH03263710A JPH03263710A JP2059891A JP5989190A JPH03263710A JP H03263710 A JPH03263710 A JP H03263710A JP 2059891 A JP2059891 A JP 2059891A JP 5989190 A JP5989190 A JP 5989190A JP H03263710 A JPH03263710 A JP H03263710A
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- cooling
- pipe
- heat source
- tube
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 69
- 239000003507 refrigerant Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract 1
- 239000001307 helium Substances 0.000 abstract 1
- 229910052734 helium Inorganic materials 0.000 abstract 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract 1
- 239000002887 superconductor Substances 0.000 description 3
- 239000000112 cooling gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は超電導電路の構造に関するものであ（従来の
技術）
大電流を小さなスペースで無損失で送電するには超電導
電路が望まれている。この超電導電路には現在種々の構
造のものが考えられている。[Detailed Description of the Invention] (Industrial Application Field) This invention relates to the structure of a superconducting path (prior art) A superconducting path is desired in order to transmit large currents in a small space without loss. . Various structures are currently being considered for this superconducting path.
例えば第６図に示す如く５内部を真空にした外管（イ）
の中に、外管（イ）より小径の冷却管（ロ）を通し、こ
の冷却管（ロ）の内部に複数本の超電導線材（ハ）を通
し、さらにこの冷却管（ロ）の内部に冷熱源パイプ（ニ
）を通してこの冷熱源パイプの一端から冷却ガスを冷却
管（ロ）内に放出し、当該冷却管（ロ）の内部全体を冷
却して上記超電導線材（ハ）を冷却するものである。For example, as shown in Figure 6, the outer tube (A) with a vacuum inside 5
A cooling pipe (B) with a smaller diameter than the outer tube (A) is passed through the cooling pipe (B), and multiple superconducting wires (C) are passed inside this cooling pipe (B). Cooling gas is discharged from one end of this cold source pipe into the cooling pipe (b) through the cold source pipe (d), and the entire inside of the cooling pipe (b) is cooled to cool the superconducting wire (c). It is.
（発明が解決しようとする課題）
しかしながらこの構造のものは複数本の超電導線材（ハ
）が入っている冷却管（ロ）全体を冷却しなければなら
ず、効率が悪い。このため冷却源の設備も大型となり、
コストも高いものとなっている。(Problems to be Solved by the Invention) However, with this structure, the entire cooling pipe (b) containing a plurality of superconducting wires (c) must be cooled, which is inefficient. For this reason, the cooling source equipment has also become larger.
The cost is also high.
そこでこの発明はこれらの点に鑑みて一つの電路で複数
本の回路を設け、これらを効率良く冷却出来、当該冷却
設備も重複」な構造のもの１・済み５経済的に布設、運
転できる超電導電路を提供４るものであり、またさら＆
：、ｆ記ａ）複数本の回路杏・自在に切替、構成するこ
之−ができる超電導電路をも提供するも山ぞある。Therefore, in view of these points, this invention has a structure in which multiple circuits are provided in one electrical path, these can be efficiently cooled, and the cooling equipment is also redundant. It provides electrical circuits, and
:, f. a) There are many companies that provide superconducting paths that can be freely switched and configured to include a plurality of circuits.
（課題を解決するた♂）の手段）
この発明は極めヱ高い保温性を有する外管内を・真空状
態にし５、この外管内の一端か１？）、冷媒を供給する
冷却熱源管を神通し、さらに各内部にりプル等の超電導
線材を通した冷却管かｔ）成る超電導電路部を複数本挿
通し、５ごれら的冷却熱源管及び複数本（７）超電導電
路部を束ねて外管内に浮かせる。多数σ）スベ〜すを外
管のＲ手方向の一定１ｄｌ隔毎１．５設け、上記冷却熱
源管の他端ど各超電導電路部の各冷却管の他端りを接続
Ｌ７たものである。(Means for Solving the Problem) This invention makes the inside of the outer tube, which has an extremely high heat retention property, in a vacuum state (5), and one end of this outer tube (1). ), a cooling heat source tube that supplies the refrigerant is passed through, and a plurality of superconducting conductor path sections consisting of cooling tubes or t) are inserted through which superconducting wires such as repuls are passed inside each of the cooling tubes. A plurality of (7) superconducting circuit sections are bundled and floated inside the outer tube. A plurality of σ) bases are provided at regular intervals of 1 dl in the R direction of the outer tube, and the other end of each cooling tube of each superconducting path section is connected to the other end of the cooling heat source tube L7. .
またこれらの構清に加えで、冷却熱源管り各超電導電路
部の各冷却管との名接続部に切替バルブを設けることも
ある。In addition to these configurations, switching valves may be provided at the connections between each superconducting path section of the cooling heat source tube and each cooling tube.
（作 用）
上記外管の一端部１部から外管内に溝入した冷却熱源管
に冷媒を供給４る７こＱ）冷媒は外管内１／）」記冷却
熱源管・内を通って冷却熱源管の他端部から者超電導電
路部σ）冷却管の他端部内ｌＪ、送番〕）れ、これらの
各冷却管内で起電魂ＩＱ利を冷却する。そし２てこれら
の芥超電導電路部の各冷却管の他端部で、外管外側にこ
れ亀の各冷却管σ）みを導出し、冷媒を回収し、＠環さ
せるものである１、
（実施例）
以−トこの発明の実施例を図に：、）いて説明する。(Function) Refrigerant is supplied from one end of the outer tube to the cooling heat source tube grooved inside the outer tube. From the other end of the heat source tube, the superconducting conductive path section σ) is routed into the other end of the cooling tube, and the electromotive force IQ is cooled in each of these cooling tubes. 2. At the other end of each cooling pipe of these superconducting conductor paths, each cooling pipe σ) is led out to the outside of the outer tube, and the refrigerant is collected and circulated. Embodiments) Examples of the present invention will now be described with reference to the drawings.
この発明の電路は、１１部がミラー状しＪ研磨され、真
空状態となった、極めで商い保温性をイｆする外４ｒｆ
］を設け、この外管１の内部に、冷媒を供給する冷却熱
源管２を挿通Ｌ２５、τの冷却熱源管２の外Ｊ’Ｓ口、
“、各内部に超電導線材３を通した複数本の冷却管４か
ら成る超電導電路部：ｉを設け、これらσ〕各超電峠電
路部５は、第２１闇に丞す如く冷却管４内に超電導線材
３を通し、さらにこの冷却￥ｆ４の外周は保温材６で被
われ℃いる。またこσ）冷却管４の内外周面はミラー状
に研磨されている。モし２７′これらの超電導電路部５
け５ａ、５ｂ、５（５，５ｄ、５ｅ、５ｆと６本設＆ｔ
９れ℃いる。１またこの外管１の一端部′？うは、第３
図にカ（す如く排気管７が外管１の外周を貫通（，７で
外管１的内部に溝入され、外管１（Ｉ）内部で、各超電
導電路部５山各玲却管４の一端部がこω排気管゛７と接
続されている１、ぞしてこれらの接続、部には夫々冷’
ＩＸを遮断する切替バルブｈが設けられでいる。またこ
の１７１気管７内を通り、夕）管】内に上記冷却熱源管
２が溝入されている。−１−１証各超電、導電路部Ｆ）
的同じ一端部１、Ｊ−は冷却管４内で超電導線材３ど一
般導体９とを接続する接続部１０が設けられ、これらの
各接続部１０で一般襟体９は名超電虜電、ｖＪ部５か１
）導出されて１′する。The electric circuit of this invention has 11 parts mirror-shaped and J-polished, and is in a vacuum state.
] is provided, and the cooling heat source tube 2 for supplying refrigerant is inserted into the inside of this outer tube 1 L25, the outer J'S port of the cooling heat source tube 2 at τ,
``A superconducting path section i consisting of a plurality of cooling tubes 4 through which superconducting wires 3 are passed is provided, and each superconducting path section 5 is connected to the inside of the cooling tube 4 as shown in the 21st darkness. The superconducting wire 3 is passed through the cooling tube 4, and the outer circumference of the cooling tube 4 is covered with a heat insulating material 6 at ℃.The inner and outer peripheral surfaces of the cooling tube 4 are polished into a mirror shape. Superconducting path section 5
5a, 5b, 5 (5, 5d, 5e, 5f and 6 pieces &t
It's 9℃. 1 Also, one end of this outer tube 1'? Uha, third
As shown in the figure, the exhaust pipe 7 penetrates the outer periphery of the outer pipe 1. One end of 4 is connected to the exhaust pipe 7, and each of these connections is connected to a cold
A switching valve h is provided to shut off IX. Further, the cooling heat source tube 2 is grooved into the trachea 7 passing through the trachea 7. -1-1 each superconductor, conductive path part F)
The same ends 1 and J- are provided with connecting portions 10 for connecting the superconducting wire 3 and other general conductors 9 in the cooling pipe 4, and at each of these connecting portions 10, the general collar body 9 is a superconductor, vJ part 5 or 1
) is derived and becomes 1'.
またごσ）外管１の他端部′ｅは、第４図に示すな１１
りＪ４記冷却熱源管２の他端部かＧ、各超電導電路部５
の冷却管４ω他端部に接続、管１１も・介（２て接続さ
れており、これらの各接続管７には冷媒も、遮断す−る
切勅゛バルブ８が設けである４、また各超電導電路部５
の［［ｉｌじ他端部じは、冷却管４内で超電導線＋、１
７３ トｆｍ導体９ トラ接続１− ルｍ続ｆＷｌｓ１
０＃ＪＱ Ｉｊ’ ＩＬ 、ｆ’Ｔ、、 。σ) The other end 'e of the outer tube 1 is 11 as shown in FIG.
J4 The other end of the cooling heat source tube 2 or G, each superconducting circuit section 5
The cooling pipe 4ω is connected to the other end, and the pipe 11 is also connected to the other end of the cooling pipe 4ω. Each superconducting path section 5
The other end of the superconducting wire +, 1 is inside the cooling pipe 4.
73 fm conductor 9 connection 1- m continuation fWls1
0#JQ Ij' IL , f'T, .
ごれ１・゛）の各接続部１０で一般導体１）は名超電導
電路部５かＩご）導出される。The general conductor 1) is led out at each connection 10 of the dirt 1 and 1).
まｆ：８これらσ〕冷冷却熱骨管２び６本の超電導電路
部５ａ、５ ｈ、５ｅ、５ｄ、５ｅ、５ｆは高い強度を
イｒする支持材等から成るスペーサ１２により、外管１
内で長子ノ】向に一’ｉｌ−間隔で支持され、外管１の
内周面から浮いでいる。f: 8 These σ] The two cold/cooled hot bone tubes and the six superconducting conductor path portions 5a, 5h, 5e, 5d, 5e, 5f are connected to the outer tube by a spacer 12 made of a support material having high strength. 1
It is supported within the inner circumferential direction at a distance of one inch, and is floating from the inner circumferential surface of the outer tube 1.
この実施例の場合外管〕内の冷却熱源管２の−・端部←
、−〆＼ツリウムス等の冷媒を送り、冷媒目冷却熱源管
２内を通り、その他端の接続管口及び切替バルブ８を通
っで各超電導電路５（１）冷却管４内を通る２、これに
より各冷却管４内の超電導線＋４３は冷却され、超１を
溝状態に維持される。そし、て冷媒は、名超電導電路部
りの一端の切替バルブ８を通り″（排気管７１．二人ｌ
Ｊ、外管１の外部に４２１気さオ；７、適宜の油化′４
Ａ置に戻り、冷却熱源管２へと循環する。１
また第！５図はこの発明の超電導電路の使用摺成図をツ
バず。In this embodiment, the - end of the cooling heat source tube 2 inside the outer tube
, - Send a refrigerant such as thulium, pass through the cooling heat source tube 2, and pass through the connecting tube port and switching valve 8 at the other end to each superconducting conductor path 5 (1) and the cooling tube 4 2. As a result, the superconducting wire +43 in each cooling pipe 4 is cooled, and the superconducting wire +43 is maintained in a groove state. Then, the refrigerant passes through the switching valve 8 at one end of the superconducting conductor path (exhaust pipe 71.
J, 421 air on the outside of outer tube 1; 7, Appropriate oil '4
It returns to position A and circulates to the cooling heat source tube 2. 1 See you next time! Figure 5 shows a diagram of how the superconducting circuit of this invention is used.
この回路でば電源１３と賀荀１４とが超電暮電路１５で
接続されており、電源１３と超電導電路１５の一端とは
接続体１６で、負荷】４と超電導電路１５の他端とは接
続体１７で夫々接続されており、これらの接続体１６．
１７内には上記各超電導電路部５の各接続部１０が収納
されている。また超電導電路１５の両端には夫々上記切
替バルブ８を収納したバルブ収納部１８、１９が夫々設
けられ、一方のバルブ収納部１８には上記冷却熱源管２
が外部より上記超電導電路１５内に導入されている。ま
たさらに上記超電導電路１５内の各超電導電路部５の冷
却管４の他端と接続した排気管７が導出されている。ま
たこのバルブ収納部１８には上記超電導電路１５の外管
ｌ内を真空にする真空ポンプ２０が設けられている。ま
たこの超電導電路１５には、温度により外管１、冷却熱
源管２、各超電導電路部５の長さが変化した場合これを
吸収できる収縮継手２１が設けられている。In this circuit, a power source 13 and a power source 14 are connected by a superconducting line 15, one end of the power source 13 and the superconducting line 15 is connected to a connecting body 16, and a load]4 and the other end of the superconducting line 15 are connected to each other. are connected by connecting bodies 17, and these connecting bodies 16.
Each connection portion 10 of each of the superconducting path portions 5 is housed in the superconductor 17 . Furthermore, valve storage sections 18 and 19 each housing the switching valve 8 are provided at both ends of the superconducting path 15, and one of the valve storage sections 18 is provided with the cooling heat source tube 2.
is introduced into the superconducting path 15 from the outside. Further, an exhaust pipe 7 connected to the other end of the cooling pipe 4 of each superconducting path portion 5 in the superconducting path 15 is led out. Further, the valve storage portion 18 is provided with a vacuum pump 20 for evacuating the inside of the outer tube 1 of the superconducting path 15. Further, this superconducting path 15 is provided with a contraction joint 21 that can absorb changes in the lengths of the outer tube 1, cooling heat source tube 2, and each superconducting path section 5 due to temperature.
この様にして超電導電路１５の一端から冷却熱源管２内
に冷媒を送り、さらにこの冷媒を冷却熱源管２の他端の
切替バルブ８を通して各超電導電路部５の冷却管４の他
端内に送る。そして各超電導電路部５の一端から排気管
７を介してこれを回収し、これを循環させる。そして超
電導電路１５内の各超電導線材３は超電導状態となり、
電源１３から目的とする負荷１４に送電することができ
る。In this way, the refrigerant is sent from one end of the superconducting path 15 into the cooling heat source tube 2, and then the refrigerant is sent into the other end of the cooling tube 4 of each superconducting path section 5 through the switching valve 8 at the other end of the cooling heat source tube 2. send. Then, it is collected from one end of each superconducting path portion 5 via an exhaust pipe 7 and circulated. Then, each superconducting wire 3 in the superconducting path 15 enters a superconducting state,
Power can be transmitted from the power source 13 to the target load 14.
次にこの発明の超電導配電線路１５において各超電導電
路部５を使用するにあたっての構成方法について述べる
。Next, a configuration method for using each superconducting path portion 5 in the superconducting distribution line 15 of the present invention will be described.
単相電源等を送電する場合、その電流の必要量に応じて
超電導電路部５ａと５ｂの組合せで、さらに大きな電流
を必要とする場合は超電導電路部５ａ、５ｂと５ｃ、５
ｄの組合せで、より大きな電流を必要とする場合は超電
導電路部５ａ、５ｂ。When transmitting single-phase power, etc., the combination of superconducting path sections 5a and 5b is used depending on the required amount of current, and when a larger current is required, superconducting path sections 5a, 5b and 5c, 5 are used.
If a larger current is required in the combination of d, use the superconducting path portions 5a and 5b.
５ｃと５ｄ、５ｅ、５ｆの組合せで対応することができ
る。このため小さな電流の場合はより少むい冷却ガスで
超電導状態が維持できると言う運転上の利点がある。ま
た超電導電路５ａ、５ｂと５ｃ、５ｃｌと５ｅ、５ｆを
組合せた場合、直流又は単相交流三回線の超電導電路と
して使用できる。Combinations of 5c, 5d, 5e, and 5f can be used. Therefore, in the case of a small current, there is an operational advantage in that the superconducting state can be maintained with less cooling gas. Further, when the superconducting paths 5a, 5b and 5c, 5cl, 5e, and 5f are combined, it can be used as a three-circuit superconducting path of DC or single-phase AC.
同様に三相交流等を送電する場合、電流の必要量に応じ
て、超電導電路部５ａと５ｂと５０の組合せで、より大
きな電流を必要とする場合は超電導電路部５ａ、５ｂと
５ｃ、５ｄと５ｅ、５ｆの組合せで対応することが出来
る。また超電導電路部５ａ、５ｂ、５ｃと５ｄ、５ｅ、
５ｆを組合せた場合、直流又は単相交流二回線の超電導
電路として使用できる。Similarly, when transmitting three-phase alternating current, etc., depending on the required amount of current, the superconducting path sections 5a, 5b, and 50 are combined, and when a larger current is required, the superconducting path sections 5a, 5b, 5c, and 5d are used. This can be handled by a combination of 5e and 5f. In addition, superconducting path portions 5a, 5b, 5c and 5d, 5e,
When 5f is combined, it can be used as a DC or single-phase AC two-circuit superconducting path.
これらの組合せは、バルブ収納部１８．１９内の各切替
バルブ８と、超電導電路１５と負荷等の接続体１６．１
７内の端子の接続切替により自在に行うことが出来る。These combinations include each switching valve 8 in the valve housing 18.19, the superconducting conductor 15, and the connection body 16.1 such as a load.
This can be done freely by switching the connections of the terminals in 7.
（発明の効果）
この発明は以上の構成であり、超電導電路内に冷却熱源
管と複数本の超電導線材を挿通したものであるため、当
該超電導電路の布設は極めて簡単である。また各超電導
線材を夫々−本づつ挿通した複数本の冷却管に冷媒を送
っているため、上記冷却熱源管から供給した冷媒を効率
よく用いることができる。(Effects of the Invention) The present invention has the above configuration, and since the cooling heat source tube and the plurality of superconducting wires are inserted into the superconducting path, the installation of the superconducting path is extremely simple. Furthermore, since the refrigerant is sent to a plurality of cooling tubes through which each superconducting wire is inserted, the refrigerant supplied from the cooling heat source tube can be used efficiently.
また冷却熱源管の一端部から複数本の各超電導電路部に
冷媒を送る接続部に切替バルブを設けたものは、必要に
応じて一定の切替バルブで冷媒の通路を遮断し、複数本
の各超電導電路部のうちの一部に冷媒を送ることもでき
、これにより複数本の各超電導電路部で回路の構造を自
由に組み合わせることができる。In addition, if a switching valve is installed at the connection part that sends the refrigerant from one end of the cooling heat source tube to each of the multiple superconducting conductor paths, the refrigerant path can be shut off with a certain switching valve as necessary, and each of the multiple superconducting It is also possible to send a coolant to some of the superconducting path sections, thereby making it possible to freely combine the circuit structures of the plurality of superconducting path sections.
図はこの発明の実施例を示し、第↓図はこの発明の超電
導電路の構成を示す一部断面図斜視図、第２図はこの発
明の超電導電路の斜視図、第３図はこの発明の超電導電
路の一端部の断面図、第４図はこの発明の超電導電路の
他端部の断面図、第５図はこの発明の超電導電路の使用
例を示す回路構成概鴫図、第６図は従来例の構成を示す
一部断面斜視図である。
なお図中１は外管、２は冷却熱源管、３は長電導線材、
４は冷却管、５は超電導電路部、８は切替バルブ、１１
は接続部である。
９÷
Ｉ
図
第２図
／
第
５図The figures show embodiments of the present invention, Figure ↓ is a partially cross-sectional perspective view showing the configuration of a superconducting path of this invention, Figure 2 is a perspective view of a superconducting path of this invention, and Figure 3 is a perspective view of a superconducting path of this invention. 4 is a sectional view of one end of the superconducting path of the present invention, FIG. 5 is a schematic diagram of the circuit configuration showing an example of use of the superconducting path of the present invention, and FIG. 6 is a sectional view of the other end of the superconducting path of the present invention. FIG. 2 is a partially cross-sectional perspective view showing the configuration of a conventional example. In the figure, 1 is the outer tube, 2 is the cooling heat source tube, 3 is the long conductive wire,
4 is a cooling pipe, 5 is a superconducting circuit section, 8 is a switching valve, 11
is the connection part. 9÷ I Figure 2/ Figure 5
Claims (2)
媒を送る冷却熱源管、及び各内部に超電導線材を通した
冷却管から成る複数本の超電導電路部を夫々通し、上記
冷却熱源管の他端と複数本の各超電導電路部の冷却管の
他端とを夫々接続したことを特徴とする、超電導電路。(1) From one end of the outer tube, which has an extremely high heat retention property, pass a plurality of superconducting conductor path sections consisting of a cooling heat source tube that sends refrigerant and a cooling tube with a superconducting wire passed inside each tube, and passing through each of the cooling heat source tubes. A superconducting path, the other end being connected to the other end of the cooling tube of each of the plurality of superconducting path sections.
媒を送る冷却熱源管、及び各内部に超電導線材を通した
冷却管から成る複数本の超電導電路部を夫々通し、上記
冷却熱源管の他端と複数本の各超電導電路部の冷却管の
他端とを夫々接続し、これらの各接続部に切替バルブを
設けたことを特徴とする、超電導電路。(2) From one end of the outer tube, which has extremely high heat retention, pass through a plurality of superconducting conductor path sections consisting of a cooling heat source tube that sends refrigerant and a cooling tube through which superconducting wire is passed through each of the cooling heat source tubes. 1. A superconducting path, the other end of which is connected to the other end of each cooling pipe of each of the plurality of superconducting path sections, and a switching valve is provided at each of these connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2059891A JPH03263710A (en) | 1990-03-13 | 1990-03-13 | Superconducting electric path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2059891A JPH03263710A (en) | 1990-03-13 | 1990-03-13 | Superconducting electric path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03263710A true JPH03263710A (en) | 1991-11-25 |
Family
ID=13126195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2059891A Pending JPH03263710A (en) | 1990-03-13 | 1990-03-13 | Superconducting electric path |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03263710A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019033056A (en) * | 2017-08-10 | 2019-02-28 | 株式会社前川製作所 | Superconductive cable, and liquified natural gas transportation system |
| EP3503329A1 (en) * | 2017-12-19 | 2019-06-26 | Nexans | Super-conductive cable system and method for cooling the super-conductive cable system |
-
1990
- 1990-03-13 JP JP2059891A patent/JPH03263710A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019033056A (en) * | 2017-08-10 | 2019-02-28 | 株式会社前川製作所 | Superconductive cable, and liquified natural gas transportation system |
| EP3503329A1 (en) * | 2017-12-19 | 2019-06-26 | Nexans | Super-conductive cable system and method for cooling the super-conductive cable system |
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