WO2013151100A1 - Câble supraconducteur et procédé d'installation de ce dernier - Google Patents

Câble supraconducteur et procédé d'installation de ce dernier Download PDF

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Publication number
WO2013151100A1
WO2013151100A1 PCT/JP2013/060232 JP2013060232W WO2013151100A1 WO 2013151100 A1 WO2013151100 A1 WO 2013151100A1 JP 2013060232 W JP2013060232 W JP 2013060232W WO 2013151100 A1 WO2013151100 A1 WO 2013151100A1
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Prior art keywords
superconducting cable
superconducting
cable
wire
former
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PCT/JP2013/060232
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English (en)
Japanese (ja)
Inventor
山口　作太郎
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学校法人中部大学
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Priority to JP2014509193A priority Critical patent/JP6103603B2/ja
Publication of WO2013151100A1 publication Critical patent/WO2013151100A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
    • H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
    • H01B12/06—Films or wires on bases or cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
    • H01B12/16—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by cooling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/34—Cable fittings for cryogenic cables
    • 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

Definitions

  • the present invention relates to the structure and installation method of a superconducting cable.
  • the length of the superconducting cable when it is cooled (low temperature) is thermally contracted by about 0.3% of the length at room temperature (for example, heat contraction of a superconducting cable having a length of 2 km and 10 km). Are approximately 6 m and 30 m, respectively).
  • the distance over which a normal overhead wire becomes longer due to the droop due to gravity is about 0.1% (Electrical Society edition “Transmission Engineering” 2nd edition, Ohmsha 1976 first edition).
  • the superconducting cable may be broken even if installed within the elastic stress range. This is also considered to be due to the fact that the heat shrinkage during cooling is not uniform along the longitudinal direction of the superconducting cable.
  • FIG. 1 shows FIG. Quoting from 3 (a), showing the relationship between critical current and strain.
  • the horizontal axis in FIG. 1 is strain, and the vertical axis is normalized critical current Ic / Ico.
  • the compression direction and the pulling direction are negative and positive, respectively.
  • the value of the critical current varies depending on the temperature. The distortion at a certain temperature is normalized to zero. When the temperature is high, the critical current decreases rapidly, but when the temperature is low, the change is small. When distortion occurs in the tab wire, the critical current Ic / Ico decreases both in tension and compression.
  • the operating temperature of a superconducting cable using HTS is 70K or higher. It is a problem to prevent stress from being generated in the HTS tape wire.
  • FIG. 3 shows an example of a welding bellows for a contraction / extension part of a heat insulating double pipe part.
  • a guide guide
  • the applicant has conducted five experiments so far (as one experiment with cooling and heating), but no major problems have occurred.
  • Patent Document 2 discloses a configuration including a central inclusion that absorbs thermal contraction in the longitudinal direction of a cable core by changing the twisted diameter during cooling.
  • a solidified material is provided on the outer periphery of a metal filament such as a gas or SUS that is liquefied or solidified at a liquid nitrogen temperature (at a low temperature), or a liquid nitrogen temperature (low temperature).
  • a shape memory alloy is formed in a spiral shape, which includes a gas that is liquefied or solidified at a time, is disclosed.
  • Patent Document 3 discloses a superconducting cable manufacturing method in which a snake of a cable core that absorbs heat shrinkage during cooling of a superconducting cable is formed.
  • Patent Document 3 discloses a superconducting cable using a shape memory alloy as a superconducting conductor.
  • the present invention was devised in view of the above problems, and an object of the present invention is to provide a superconducting cable having a structure for absorbing heat shrinkage during cooling and an installation method.
  • the cable includes a former and a superconducting wire wound around an outer layer of the former through an insulating layer and becomes superconductive when cooled, and the cable turns along its longitudinal direction at room temperature.
  • a superconducting cable is provided which is helical and has a linear shape when cooled.
  • a straight superconducting cable at room temperature is inserted into the inner tube of the heat insulating double tube, and the central portion in the cable longitudinal direction is fixed to the inner tube of the heat insulating double tube. Then, after introducing a refrigerant into the inner pipe of the heat insulating double pipe and thermally shrinking the superconducting cable, it deforms into a helical shape at room temperature, and then transforms into a helical shape at room temperature, and then attaches a terminal cryostat to both ends of the superconducting cable.
  • a superconducting cable installation method for mounting is provided.
  • the apparatus includes a former and a superconducting wire wound around an outer layer of the former via an insulating layer and becomes superconductive when cooled, and the direction in which the cable helically deforms and the superconducting tape wire A superconducting cable having the same winding direction is provided.
  • the winding direction of the former two or more former strands is the same direction.
  • the cable has a helical shape that turns along the longitudinal direction at room temperature, and the cable has a linear shape at the time of cooling.
  • a plurality of superconducting tape wires are arranged so as to intersect.
  • heat shrinkage of the superconducting cable during cooling can be absorbed.
  • the length of the superconducting cable is longer at normal temperature than at cooling (low temperature) (shrinks).
  • the cable shape at normal temperature is a helical shape, at normal temperature, for example, the distance between the cryostat terminals at both ends of the superconducting cable is shorter than the actual superconducting cable length.
  • the length of the superconducting cable is shortened due to thermal contraction, but at the time of cooling, since the cable shape is linear, the distance between the cryostats is almost the same as that at room temperature. That is, the distance between cryostats is almost constant at both normal temperature and low temperature. By doing so, the length of the superconducting cable becomes shorter than that at room temperature due to thermal contraction at low temperatures, but distortion (tensile) is prevented from occurring.
  • the superconducting cable is inserted after the heat insulating double pipe is assembled. Insert the superconducting cable from the entrance and pull the superconducting cable with the wire / superconducting cable.
  • the superconducting cable In the stage where the superconducting cable is installed in the insulated double pipe, the superconducting cable is installed in a straight line. Both ends of the superconducting cable are connected to a mobile terminal cryostat. In order to relieve thermal stress, both ends of the superconducting cable are not fixed in the direction of thermal contraction with respect to the cryostat. For example, the superconducting cable is supported in two directions different from the heat shrink direction. Even if the superconducting cable moves suddenly and the mobile terminal cryostat cannot immediately follow the movement, a large stress (distortion) does not occur in the superconducting cable.
  • FIG. 4 shows the positions of the mobile cryostats (cryostats A and B) when the cooling and heating are repeated.
  • a refrigerant liquid nitrogen
  • the reference position is zero at the position where the superconducting cable is first installed.
  • the distance between the two cryostats A and B remains short even when the temperature is returned to room temperature.
  • various controls are performed so that the superconducting cable is as long as possible.
  • FIG. 5 shows an X-ray photograph at low temperature (after the second cooling) (FIG. 6b of Non-Patent Document 3).
  • the HTS superconducting cable, the inner pipe of the outer insulated double pipe, and the liquid nitrogen inside are shown. For this reason, it is white as a whole.
  • the superconducting cable is close to the inside of the radius of curvature.
  • FIG. 6 shows an X-ray photograph at normal temperature (after the first temperature increase) (FIG. 6a of Non-Patent Document 3). There is no liquid nitrogen. The superconducting cable is repositioned from one side of the inner tube to the other side.
  • FIGS. 5 and 6 The two X-ray photographs in FIGS. 5 and 6 were taken by irradiating a heat-insulated double tube with X-rays from the top and placing a film on the bottom. As a result of photographing from the horizontal direction, it was found that the superconducting cable deformed in a helical shape at room temperature and was almost linear at low temperatures.
  • the cryostat position does not return completely even if the temperature is raised after cooling.
  • the superconducting cable experimental device it was found that the superconducting cable was helical at room temperature, and the superconducting cable was linear at low temperatures. The above behavior of superconducting cable was examined.
  • FIG. 7 shows an example of a 200 m superconducting cable (FIG. 1 of Non-Patent Document 3).
  • HTS tape wires There are three layers of HTS tape wires, and two inner layers and one outer layer are coaxial. At the center is a former (copper stranded wire core), and the outside is wound with a plurality of layers of an insulating tape material of PPLP (Polypropylene Laminated Paper). Copper with two layers of HTS tape wire (thickness 0.3 mm, width 4 mm), PPLP insulation, HTS tape wire (becomes the outer pole of coaxial superconducting cable), PPLP, and ground potential (ground) A thin film is wound and a protective layer is applied on top of it.
  • PPLP Polypropylene Laminated Paper
  • the former determines mechanical superconducting cable characteristics (strength, etc.). The mechanical properties of superconducting cables are largely determined by the former.
  • the mechanical behavior of the superconducting cable is determined by the behavior of the former.
  • the former is a copper stranded wire structure. In the stranded wire structure, residual stress remains in the stranded wire. If the superconducting cable can be freely deformed, it is thought that the superconducting cable is deformed by residual stress.
  • the residual stress is actively used. That is, the thermal stress of the superconducting cable is absorbed by using the residual stress of the superconducting cable former.
  • FIG. 8 shows an example of a stranded wire structure.
  • a large residual stress is not left in one direction by twisting in the opposite direction every time the layer of the twisted structure is changed.
  • the residual stress changes due to machining, wire material, pitch, heat treatment, and the like.
  • these conditions are combined and processing and material selection are performed.
  • the shape memory alloy whose shape changes with temperature changes uses the fact that the same metal transforms into an austenite phase and a martensite phase depending on the temperature. Shape memory alloys also heat shrink. Therefore, a shape memory alloy that is helical at room temperature is used as a wire, and a shape memory alloy that is linearly deformed at low temperature is used as a former. Shape memory alloys have a transformation start temperature and a transformation end temperature at which deformation begins. It is not necessary to make all the stranded wires constituting the former a shape memory alloy strand. For example, the former is sometimes used to flow a large current when the connection circuit of the superconducting cable is short-circuited. Therefore, as shown in FIG. 9, a copper wire 2 is put in the former.
  • FIG. 9 is a view showing an example of a cross section of a former in which a copper wire 2 using a copper wire 1 and a shape memory alloy wire 4 using a shape memory alloy wire 3 are twisted.
  • the former is created by twisting 19 wires.
  • Four of them are wires 4 made of shape memory alloy wire 3.
  • the remaining 15 wires are copper wires 2 using copper wire 1.
  • the cross-sectional shape in FIG. 9 is also different from the configuration in which a shape memory alloy is formed in a spiral shape as the central inclusion in Patent Document 2.
  • the transformation start temperature and end temperature of the shape memory alloy are the same for each wire. However, it may be controlled so that the shape changes little by little in a wide temperature range. It is also important where the shape memory alloy wire is placed in the former cross section. Further, in the AC superconducting cable, three superconducting cables are installed in one heat insulating double pipe. At this time, the three superconducting cables are twisted with a gap.
  • each superconducting cable is twisted and the direction in which each superconducting cable former is twisted must be the same. This facilitates twisting of the three superconducting cables. It also facilitates management of the gap between the three superconducting cables.
  • the cable may be configured to have a member (spring member) that makes the cable into a linear shape by pulling both ends of the superconducting cable and thermal contraction in the longitudinal direction of the member.
  • a member spring member
  • the former may be manufactured so that the cable becomes helical at room temperature due to processing distortion or the like of the copper element wire 1 constituting the copper wire 2.
  • the shape memory alloy wire 4 of FIG. 9 may be omitted.
  • a stainless steel wire or other wire (for example, “phosphor bronze” or the like) is used in addition to the copper wire.
  • the former may be mixed with the former strands, and the former may be manufactured so as to have a helical shape at room temperature due to processing and processing distortion. Since these materials have a higher Young's modulus than copper, the return force when processed into a strain or a helical shape is increased. For this reason, control of a return force becomes easy and workability is also good.
  • the central portion is fixed to the inner tube of the heat insulating double tube in the longitudinal direction of the superconducting cable (fixing portion 15).
  • the inner pipe of the heat insulating double pipe is also fixed to the outer pipe.
  • the outer tube is fixed to a mechanism (support unit) that supports the heat insulating double tube.
  • the center of the superconducting cable does not move spatially.
  • a refrigerant liquid nitrogen: low-temperature gas
  • a refrigerant introduction port 15 a refrigerant introduced into the heat insulating double pipe inner tube 11 from the refrigerant introduction port 15.
  • Thermal contraction of the superconducting cable 12 starts.
  • the superconducting cable 12 is substantially linear.
  • the superconducting cable 12 When the temperature is low, the superconducting cable 12 starts to shrink from the center. The superconducting cable 12 tends to be straight. If the superconducting cable 12 is left as it is, the temperature rises slowly.
  • the superconducting cable 12 becomes free from the stress and frictional force when the superconducting cable 12 is installed, and deforms in a helical shape as it approaches room temperature. This is the same behavior as the 200 m superconducting cable experimental device.
  • terminal cryostats (not shown) are attached to both ends of the superconducting cable 12.
  • the terminal cryostat Since it is helical at room temperature and linear when it gets cold, the distance to move the terminal cryostat can be shortened. If the thermal contraction of the superconducting cable can be completely absorbed, the terminal cryostat need not be mobile.
  • the superconducting cable is not fixed to the terminal cryostat in the heat shrink direction (the other two directions are fixed), but basically the superconducting cable is The working force can be supported by the former.
  • a strain gauge may be attached to the terminal mounting portion of the superconducting cable former, and control may be performed so that the terminal cryostat is moved within the superconducting cable allowable range.
  • the former may be manufactured such that the cable is in a helical shape at room temperature due to processing distortion of a copper element wire (copper wire in FIG. 9) constituting the former.
  • the shape memory alloy wire 4 of FIG. 9 may be omitted.
  • a stainless steel wire or other material wire for example, a material that becomes a spring material such as the above-mentioned “phosphor bronze”
  • the former is manufactured to be helical at room temperature. Since the Young's modulus of stainless steel wire or the like is higher than that of copper, the return force when processed into a strain or a helical shape is increased, so that the return force can be easily controlled and the workability is improved.
  • the shape of a spring member such as phosphorus bronze is not necessarily a bare wire.
  • the shape change may be promoted by winding the spring member around the former in a tape shape.
  • a former is manufactured by creating a helical shape with a spring member and twisting it together with a copper wire while applying a tensile force. Since the former is pulled at the time of manufacturing the superconducting cable, the former is linear, and an electric insulation layer, a superconducting wire (HTS), etc. are wound on the former to finish the cable. At this time, the cable is always straight by applying a pulling force to the former. Wrap it around the drum. Due to thermal contraction (about 0.3%) at low temperatures (during cooling), even if it becomes helical, it will deform considerably, so the curvature of the pitch of the helical stranded wire is small compared to the bending curvature of the cable It is necessary to.
  • the cable Since the former needs to be pulled at low temperatures (during cooling), the cable is fixed to the fixed base on the terminal cryostat, and a tensile force that requires deformation so that the fixed base becomes linear is applied. There is a possibility that the cable may break even if the fixing base is pulled too much. Therefore, when a tensile force equal to or greater than a predetermined value (threshold value) is applied, the mobile cryostat is moved so that the cable is not cut.
  • a predetermined value threshold value
  • the cable may expand and contract due to the temperature distribution of the entire cable.
  • the fixing base can be expanded and contracted according to the expansion and contraction of the cable from the initial position, and a certain force is transmitted to the cable with respect to the deviation from the equilibrium position.
  • Become This is monitored by a TV camera, for example, so that a force exceeding a certain level is not applied to the former.
  • the appearance of the superconducting cable has a structure as shown in FIG. 11, for example.
  • This is a diagram (photograph) showing the configuration of the 200 m cable of the applicant (Chubu University).
  • a former formed by twisting a copper wire at the center (former; the cross-sectional structure is, for example, the structure shown in FIG. 9), and an electric insulating layer and a high-temperature superconducting tape wire (HTS Tape) are provided thereon.
  • HTS Tape high-temperature superconducting tape wire
  • there is a semiconductor paper for making the electric field uniform and there is an electrical insulating layer, and a layer (earth layer) that is grounded with copper foil.
  • a semiconductor paper is wound and finally a white protective layer is wound to finish.
  • HTS tape wire layers which are wound around the former, and it can be seen that the two layers are reversed in the twisting direction.
  • the direction of twisting is reversed so that the cable can be bent in either direction.
  • the former is helical
  • the HTS tape wire is tightened if the HTS tape wire is in the same twist direction, and the HTS tape wire is loosened if it is in the reverse twist direction.
  • the twist direction of the HTS tape wire is set to the same direction. That is, it is necessary to make all the directions loose or all tighten.
  • a high temperature superconducting cable has a thermal shrinkage of about 0.3% from room temperature to liquid nitrogen temperature. If a long cable does not have a structure that absorbs this, the cable will be cut, the characteristics of the superconducting wire will deteriorate, and buckling problems will occur when the temperature rises.
  • an interesting phenomenon occurred in the 200 m cable experimental apparatus. The superconducting cable is deformed in a helical shape at room temperature and linear at a low temperature. This was observed after multiple cooling and heating processes. For this reason, the thermal contraction length of the cable is substantially shortened when observed at the terminal. The following items are considered to be comprehensively related to the reason why such a phenomenon occurs.
  • Residual stress remains in the cable former and is prone to helical deformation.
  • the cable is easily fixed at the curved part of the insulated double tube that houses the cable. Use the phenomenon of helical deformation at room temperature.
  • the technical goal is to build a mechanism that absorbs the thermal contraction of the cable.
  • the residual stress at which the cable former is helically deformed is constituted by a plurality of strands of strands that form the former, and they are firmly fixed to each other.
  • This structure determines parameters such as the pitch and amplitude of the helical deformation of the cable.
  • the current cable structure (side surface of Chubu University 200m cable) is illustrated in FIG.
  • the outer conductor and the inner conductor are electrically insulated at 20 kV. Both are electrically insulated from the ground potential at 10 kV.
  • the conductor is wound around the former and there is almost no gap. The winding direction is reversed for each layer.
  • the stranding direction or winding direction of the wire constituting the cable is reversed for each layer (this is because it is easy to bend in either direction. Moreover, it cannot be bent without winding) 13 shows a structure in which the winding direction of the superconducting tape wire is aligned, In this embodiment, the direction in which the cable is helically deformed and the winding direction of the superconducting tape wire are shown.
  • the direction in which the cable is helically deformed depends on the winding direction of the former strand of the former, and the former is also made of many strands as shown in Fig. 12.
  • the direction in which the former is helically deformed is the winding direction of the outermost layer of the former strand, and the former is helically deformed by being strongly coupled to the inner former strand.
  • the direction of the stranded wire is different for each layer. For this reason, helical deformation may or may not occur under various conditions. Therefore, the winding direction of the former two or more layers of the former strands is set to the same direction so as to ensure helical deformation.
  • FIG. 15 shows the results of critical current measurement (the horizontal axis is the distance d, and the vertical axis is the current value). The current flows in the same direction, and the tape wires are all parallel. Therefore, it corresponds to the winding direction being the same direction.
  • the single unit critical current is 165 A (Ampere).
  • the critical current of the central tape wire decreased to 136A when three were stacked.
  • FIGS. 16 (A) and 16 (B) show the important thing.
  • FIGS. 16 (A) and 16 (B) when the superconducting tape wires 18 are not parallel but arranged so as to cross each other, the critical current is reduced.
  • FIG. 16 (A) shows a portion
  • FIG. 16 (B) shows a state where an aluminum cylinder is selected in order to simulate a cable. Therefore, it was experimentally verified that it is desirable to install them in parallel as shown in FIG.
  • the cable inner conductor configuration shown in FIG. 12 has two stages, it is desirable that the wire should be between the respective layers.
  • the perpendicular magnetic field component is reduced on the tape surface.
  • the cable can be bent because the tape wire slides with respect to the core. And the distance between tape wires spreads outside the bent part, and the inside narrows. Therefore, the radius of the bent portion is determined by the tape wire distance.
  • a tape wire guide (metal guide) as shown in FIG. 17 is prepared.
  • the groove portion of the guide 19 is accommodated in the gap between adjacent superconducting tape wires of the first stage (lower stage), and the second stage (upper stage) is provided in the first and second regions between the first and second side walls of the guide 19. ) Of the superconducting tape wire 18 is accommodated.
  • examples of the material of the tape wire guide 19 include copper, aluminum, and stainless steel. The thickness is assumed to be about 50 to 100 microns.
  • FIG. 18 shows a case where a guide is attached to the upper layer tape wire. Due to such a structure, even if the cable is bent, the superconducting tape wires of the upper and lower layers are automatically arranged between the tape wires to prevent the critical current from being lowered. With such a structure, the cable structure as shown in FIG. 13 can be changed.
  • a coaxial cable with a reciprocating conductor structure has 23 tape wires for the inner conductor and 16 outer conductors, so the current that can be passed is determined by the tape wire of the outer conductor, Extra tape wire is used.
  • Extra tape wire is used.
  • the number of tape wires of the inner conductor can be made substantially the same as that of the outer conductor. This means lowering the cable cost.
  • the tape wire guide can be manufactured by rolling a metal thin film with a roller.
  • FIG. 20 is a diagram schematically illustrating a state when the cable is inserted into the heat insulating double pipe.
  • FIG. 20 shows a case where a cable is connected and lengthened in the middle portion because the route length is long, and the power transmission side or the power reception side is a terminal cryostat (indicated as cryo in the figure).
  • the laying procedure is described below in order.
  • the cable is inserted into the insulated double pipe, and it is confirmed that the cable is sufficiently exposed from both ends, and one side is fixed to the insulated double pipe. Do not fix the other. At this time, the state of the cable is confirmed by an X-ray photograph.
  • Liquid nitrogen is introduced into the insulated double tube. Introduction is performed from the fixed end side. This causes the cable to begin heat shrinking. At this time, the temperature distribution of the cable is measured, and at the same time, the length and load with which the cable on the non-fixed end side is drawn into the heat insulating double pipe are measured with the load cell.
  • the extended length of several tens of centimeters is absorbed by making the terminal cryostat mobile.

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Abstract

La présente invention se rapporte : à un câble supraconducteur qui présente une structure qui permet l'absorption de la contraction thermique lors d'un refroidissement ; et à un procédé d'installation du câble supraconducteur. Un câble supraconducteur comprend un moule et un matériau de fil supraconducteur qui est enroulé autour d'une couche externe du moule, une couche isolante étant intercalée entre ces derniers. Le câble supraconducteur peut avoir une forme hélicoïdale qui tourne dans le sens de la longueur du câble à température ambiante, et peut avoir une forme linéaire à une température plus basse.
PCT/JP2013/060232 2012-04-03 2013-04-03 Câble supraconducteur et procédé d'installation de ce dernier WO2013151100A1 (fr)

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JP2014509193A JP6103603B2 (ja) 2012-04-03 2013-04-03 超伝導ケーブルと設置方法

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JP2012-085044 2012-04-03
JP2012085044 2012-04-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105336452A (zh) * 2015-11-20 2016-02-17 保定天威线材制造有限公司 一种换位导线纸包设备的隔热防护方法及装置
CN106371043A (zh) * 2016-08-15 2017-02-01 富通集团有限公司 超导带材测试装置
WO2017204336A1 (fr) 2016-05-26 2017-11-30 学校法人中部大学 Procédé de disposition de câble supraconducteur et câble supraconducteur

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JPS4928879A (fr) * 1972-07-14 1974-03-14
JPS58138524A (ja) * 1982-02-15 1983-08-17 Furukawa Electric Co Ltd:The 余長付線条体入り管の製造方法
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JP2001067950A (ja) * 1999-06-22 2001-03-16 Sumitomo Electric Ind Ltd 超電導ケーブルおよびその製造方法
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JP2003187651A (ja) * 2001-12-18 2003-07-04 Sumitomo Electric Ind Ltd 高温超電導ケーブル
JP2006141186A (ja) * 2004-10-14 2006-06-01 Sumitomo Electric Ind Ltd 超電導ケーブルの接続構造
WO2009145220A1 (fr) * 2008-05-27 2009-12-03 学校法人中部大学 Matériau pour fil plat supraconducteur et procédé pour sa fabrication
WO2012033208A1 (fr) * 2010-09-07 2012-03-15 株式会社 ナノオプトニクス・エナジー Système de transmission d'énergie à supraconduction

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WO2017204336A1 (fr) 2016-05-26 2017-11-30 学校法人中部大学 Procédé de disposition de câble supraconducteur et câble supraconducteur
CN109565159A (zh) * 2016-05-26 2019-04-02 学校法人中部大学 超导电缆敷设方法及骨架
EP3467976A4 (fr) * 2016-05-26 2020-01-08 Chubu University Educational Foundation Procédé de disposition de câble supraconducteur et câble supraconducteur
RU2745404C2 (ru) * 2016-05-26 2021-03-24 Тюбу Юниверсити Эдьюкейшнл Фаундейшн Способ установки сверхпроводящего кабеля и кабельный каркас
CN109565159B (zh) * 2016-05-26 2021-08-13 学校法人中部大学 超导电缆敷设方法及骨架
US11387018B2 (en) 2016-05-26 2022-07-12 Chubu University Educational Foundation Method of installing superconducting cable and former
CN106371043A (zh) * 2016-08-15 2017-02-01 富通集团有限公司 超导带材测试装置
CN106371043B (zh) * 2016-08-15 2019-03-26 富通集团有限公司 超导带材测试装置

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