EP3335280B1 - Connecteur pour conducteurs supraconducteurs et utilisation du connecteur - Google Patents

Connecteur pour conducteurs supraconducteurs et utilisation du connecteur Download PDF

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Publication number
EP3335280B1
EP3335280B1 EP16756585.2A EP16756585A EP3335280B1 EP 3335280 B1 EP3335280 B1 EP 3335280B1 EP 16756585 A EP16756585 A EP 16756585A EP 3335280 B1 EP3335280 B1 EP 3335280B1
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EP
European Patent Office
Prior art keywords
superconducting
connector
base element
conductor
conductors
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EP16756585.2A
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German (de)
English (en)
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EP3335280A1 (fr
Inventor
Walter FIETZ
Michael J. WOLF
Reinhard Heller
Klaus-Peter Weiss
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Karlsruher Institut fuer Technologie KIT
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Karlsruher Institut fuer Technologie KIT
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/68—Connections to or between superconductive connectors
    • 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
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/187—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping combined with soldering or welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

  • the invention relates to a connector for superconducting conductors and a use of the connector.
  • Superconductors are materials whose electrical resistance disappears completely below a certain temperature, the transition temperature. As a result, superconductors have no electrical DC losses as long as they are operated at sufficiently low temperatures. A conductor for the transport of electricity or a coil made of such superconducting materials consequently has no DC losses. Thus, a current can be transmitted very effectively via such a conductor. In particular, high magnetic fields can be generated very efficiently with superconducting magnets.
  • low-temperature and high-temperature superconductors according to the value of the temperature of the phase transition from the superconducting to the normally conductive state. With low-temperature superconductors this is typically below 30 K, with high-temperature superconductors it is sometimes very much higher, e.g.
  • HTS high-temperature superconductors
  • High-temperature superconductors made from rare earth barium copper oxide materials are the most interesting HTS materials currently available on the market in terms of field and temperature ranges as well as current density. These materials are produced in the form of thin tapes, in which the superconductor is applied as a thin layer with a thickness of approximately 1 ⁇ m on a substrate, so that a tape with a typical thickness of 100 ⁇ m with a width in the millimeter range.
  • Classic stranding techniques for the production of superconducting conductors or cables with a high current-carrying capacity cannot be used for these flat strips. Rather, in the latest approaches, stacks of superconductor tapes are produced in order to manufacture electrical conductors or cables for higher currents from the superconductor tapes.
  • the conductors When high electrical power is transmitted through superconductors, the conductors must be cooled accordingly. In order to achieve high current densities in the bundle or cable, they must therefore also be as compact as possible. At the same time, however, a high mechanical stability is also necessary, e.g. with regard to mechanical support with the lowest possible heat input, thermal cycles or electromagnetic forces.
  • connection resistance is understood to mean, in particular, the electrical resistance of the connector itself.
  • the sum of the connector resistance and any contact resistances that may occur between the conductors and the connector is referred to below as the connection resistance.
  • the conventional solutions have drawbacks. For example, it is very time-consuming to make direct connections between the individual superconductor tapes. In addition, such connections can be comparatively unstable. In the case of lap-joint connections, the greatest possible overlap of the conductors to be connected is advantageous in order to reduce the connector resistance. However, this comes at the expense of compactness.
  • the conventional connection methods or connectors are very inflexible in handling, especially when laying superconducting conductors or cables. A flexible connection or laying of superconducting conductors or cables plays an important role above all because the superconductor stacks from which the conductors or cables are usually made can only be bent to a very limited extent.
  • the pamphlets JP 2005 310395 A , JP H03 43971 A , JP 2010 010061 A , GB 2,498,961 A and JP 2003 123866 A disclose devices and methods for joining two superconductors.
  • the base element or the base body of the connector is primarily the mechanical connection or intermediate piece between the superconducting conductors or cables to be electrically connected.
  • the base element is also electrically conductive, i.e. at least normally conductive.
  • the base element is at least partially or completely formed from a conductive metal such as copper, aluminum or silver.
  • the base element is a copper block.
  • the base member has a first end portion or a first end and a second end portion or a second end.
  • the first end portion or the first end of the base element is designed to be contacted, i.e. electrically connected, to at least one first superconducting conductor or cable.
  • the first end section can be contacted with one, two, three, four, etc.
  • the second end section or the second end of the base element is also designed to be contacted or electrically connected to at least one second superconducting conductor or cable.
  • the second end section can be contacted with one, two, three, four, etc. second superconducting conductors.
  • each end section of the connector or of the base element can have one or more provided contact points for contacting one or more superconducting conductors or cables.
  • a first and a second conductor mean two conductors to be electrically connected.
  • Contacting is understood to mean an electrical connection, in particular a thermal joining or soldering or also a pressing in suitable materials such as indium.
  • the at least one first and the at least one second conductor are not part of the connector according to the invention. Only in an assembled state of the connector is the at least one first conductor connected to the first end section of the connector and / or the at least one second conductor is connected to the second end section of the connector.
  • the at least one superconducting additional element preferably comprises a superconductor or a superconductor tape and most preferably a high-temperature superconductor or a high-temperature superconductor tape, so that with appropriate cooling, ie at temperatures below the transition temperature of the superconductor, a superconducting electrical connection between the first end section and the second end portion of the connector.
  • the at least one superconductive additional element is arranged in such a way that it superconductively connects the first end section and the second end section to one another below the transition temperature of the superconductive additional element.
  • the at least one superconducting additional element thus acts like a superconducting bypass, which is why the connector according to the invention is also referred to by the inventors as "SC-ByPass connector".
  • the at least one superconducting additional element produces an essentially superconducting electrical connection between the at least one first superconducting conductor and the at least one second superconducting conductor.
  • Essentially superconducting means or should take into account that contact resistances are possible at the contact points between the conductors and the connector.
  • the at least one superconducting additional element is in particular not a component of a conductor to be connected, but a separate component of the connector according to the invention.
  • the at least one superconducting additional element is integrated in the connector independently of the conductors to be connected to one another.
  • the at least one superconducting additional element is arranged or integrated at least in some areas in the base element.
  • the expression “at least in some areas” encompasses the terms “partially”, “partially” or “completely”.
  • the at least one superconductive base element is arranged at least in regions within the base element, in particular in a groove in the base element.
  • the at least one superconducting additional element in the connector according to the invention advantageously ensures that the current does not have to flow over the full distance through the base element when two or more conductors are connected, but rather through the at least one additional element, which at sufficiently low temperatures, ie at temperatures below the transition temperature of the additional element, has no electrical resistance.
  • the electrical resistance of the connector can thus be largely minimized or neglected.
  • the connector according to the invention can advantageously be used to implement contacts between entire conductors or cables. Such contacts are easy to produce and are therefore also suitable for industrial use.
  • the connector according to the invention is suitable not only for electrically connecting superconducting conductors or cables, but also for connecting any other, in particular normally conducting, conductors or cables.
  • the base element has at least one groove in which the at least one superconductive additional element is arranged at least in some areas.
  • the at least one superconducting additional element is electrically connected to the base element or is electrically connected to the base element.
  • the superconductive additional element is inserted, pressed and / or soldered into the groove.
  • the groove can be on a surface or outside of the base element be arranged or formed.
  • a recess can be arranged or formed in the interior of the base element, in particular as a through opening from the first to the second end section.
  • the base element comprises a plurality of base element parts.
  • the base element can be composed of several base element parts.
  • the totality of the base element parts forms the base element.
  • the base element parts can be designed in such a way that, in the assembled state of the connector, a groove or recess is formed in the base element between two base element parts.
  • the base element comprises a joint or a hinge. In this way it is advantageously possible to bend the base element or the connector in a simple manner.
  • the base element is partially or completely formed from copper.
  • the base element comprises one or more copper blocks.
  • the base element can be a copper block.
  • the at least one superconductive additional element comprises or is at least one superconductor tape, in particular a high-temperature superconductor tape.
  • the at least one superconductive additional element preferably comprises a stack of superconductor tapes or the at least one superconductive additional element is a stack of superconductor tapes.
  • a superconductor tape is a tape which comprises a substrate to which a superconductor, in particular a high-temperature superconductor such as REBCO, is applied as a thin layer, for example with a thickness of about 1 ⁇ m.
  • the substrate can, for example, have a thickness of approximately 100 ⁇ m.
  • a superconductor tape thus also has a thickness of approximately 100 ⁇ m and can, for example, have a width of a few millimeters.
  • the base element comprises a plurality of base element parts or base element sections, which are in particular displaceable into one another in order to compensate for changes in length, a length of the at least one superconducting additional element being greater than the sum of the lengths of the base element parts.
  • a length of the at least one superconducting additional element is greater than a length of the base element.
  • the at least one superconducting additional element, in particular in a central section of the connector can be arranged in an arc around the base element.
  • the at least one superconducting additional element, in particular in a central section of the connector can be C-shaped or bent.
  • the curved section of the at least one superconducting additional element preferably has a radius> 1 cm. It can thus be ensured that the at least one superconductive additional element or its superconductor tape or its superconductor tapes is or are bent essentially without degradation and thus continues to transmit or transmit the current in the event of changes in angle or length of the base element.
  • the connector or the base element or at least one of the base element parts preferably comprises a sliding groove in which one or more base element parts can be moved or displaced. With the help of the groove, the base element or the connector is variable or variable in its length.
  • the at least one superconducting additional element or the at least one superconducting tape stack can be arranged or attached in a simple manner, for example on the inside of the base element parts.
  • the conductors or cables to be connected to the connector can also be contacted in a simple manner with the end sections of the connector, in particular pressed in or soldered in. The space between the cable and the connector can be reduced in a simple manner and thus optimized.
  • the connector or the base element is suitable for electrically connecting n first superconductive conductors to n second superconductive conductors, the connector comprising n or an integer multiple of n superconducting additional elements and where n is a natural integer greater than zero .
  • n is 1, 2, 3, 4, 5, etc.
  • the at least one conductive base element and in particular also the at least one superconductive additional element are designed to be straight or angled or curved.
  • the at least one conductive base element and in particular also the at least one superconductive additional element is shaped in such a way that, in an assembled state of the connector, a longitudinal axis of the at least one first superconductive conductor and a longitudinal axis of the at least one second superconductive conductor form an angle between 0 ° and Include or form 180 °.
  • an angle of 0 ° means a straight connector and an angle of 180 ° means a U-shaped connector.
  • the first end section of the base element is contacted or connected to at least one first superconductive conductor and / or the second end section of the base element is contacted or electrically connected to at least one second superconductive conductor.
  • the shape of the connector ie the base element and / or the superconducting additional element, can be adapted as desired, so that straight connections as well as angled connections can be realized. It is therefore not necessary to bend the superconducting conductor or the superconducting cable sharply. In the case of the currently available superconducting conductors, such a bending generally leads to a degradation of the superconductor, in particular due to the stacked individual superconductor strips or the superconductor body of the conductor formed thereby. Such a degradation can be avoided with the connector according to the invention. Because compared to Superconductor stacks, superconductor single strips can be bent relatively strongly in a simple bending direction, for example in radii of a few centimeters. Thus, using a superconductive additional element which comprises a single or only a few superconductor tapes, connectors that are correspondingly strongly angled or bent can also be realized.
  • any path or route e.g. in pipes, channels or shafts, with essentially straight superconducting conductors and with the help of corresponding connectors or angle pieces according to the invention can be laid or laid in a simple manner.
  • the connectors take on the role of press or soldered fittings, the superconducting conductors take on the role of conduits.
  • Another independent aspect for achieving the object relates to a use of the connector according to the invention for connecting at least one first superconducting conductor to at least one second superconducting conductor.
  • the at least one first and the at least one second superconducting conductor preferably each comprise a multiplicity of superconducting tapes which are each arranged in a tape stack and each form a superconducting body of the respective superconducting conductor.
  • the at least one first superconducting conductor comprises a multiplicity of superconducting tapes which are arranged in a first tape stack and which form a first superconducting body of the at least one first superconducting conductor.
  • the at least one second superconducting conductor comprises a multiplicity of superconducting tapes which are arranged in a second tape stack and which form a second superconducting body of the at least one second superconducting conductor.
  • the superconductor body has a cruciform cross section.
  • the tape stack of the superconductor body has superconductor tapes with exactly two different widths.
  • the first end section of the connector is electrically contacted with the superconductor body of the at least one first superconductive conductor.
  • the second end section of the connector is electrically contacted with the superconductor body of the at least one second superconductive conductor.
  • the first end section of the connector is electrically contacted with a cladding tube of the at least one first superconductive conductor.
  • the second end section of the connector is electrically contacted with a cladding tube of the at least one second superconductive conductor.
  • first end section of the connector is electrically contacted both with the cladding tube and with the superconductor body of the at least one first superconductive conductor.
  • second end section of the connector is electrically contacted both with the cladding tube and with the superconductor body of the at least one second superconductive conductor.
  • the electrical contact is made by pressing in or thermally joining, in particular by connecting by means of heating or by soldering.
  • a superconductive system which comprises a first superconductive conductor, a second superconductive conductor and the connector according to the invention.
  • the connector is used in particular to electrically connect the first and second superconductive conductors.
  • the connector electrically connects the first superconductive conductor to the second superconductive conductor.
  • the first and / or the second superconducting conductor or the tape stack or the superconducting body of the first and / or the second superconducting conductor, as described above and / or below has a cruciform cross section.
  • the cross-shaped cross section is realized in particular in that the superconductor body is formed from a tape stack which exclusively has tapes with two different widths or consists exclusively of tapes with two different widths.
  • the Figure 1 shows a schematic sketch of a conventional lap-joint connection of two electrical conductors.
  • the connector consists only of an electrically conductive intermediate piece 15, which has recesses into which the conductors to be connected can be soldered.
  • a first conductor 10 and a second conductor 20 are soldered into recesses of a copper block 15 in such a way that the first conductor 10 and the second conductor 20 overlap. In this way, current can flow over the completely soldered length of the conductors 10 or 20 directly from the first conductor 10 into the second conductor 20 or vice versa.
  • the connector or the intermediate piece 15 has no additional superconductor.
  • the superconductors of the first conductor 10 and the superconductors of the second conductor 20 are conventionally fanned out into individual components and then individually connected to one another.
  • the Figure 2 Figure 3 shows a schematic drawing of a connector 100 according to an embodiment of the present invention.
  • the connector 100 has a straight design and is shown in an assembled state.
  • the connector 100 comprises a base element 30 and at least one superconductive additional element 40.
  • the connector 100 comprises in particular six superconductive additional elements 40.
  • Each of these superconductive additional elements 40 is arranged in an associated recess or groove of the base element 30 and extends from a first end section or end 32 to a second end section or end 34 of the base element 30.
  • the first end section 32 of the connector 100 is contacted or electrically connected to three first superconducting conductors or cables 10.
  • the second end section 34 is contacted or electrically connected to three second superconductive conductors 20.
  • the superconducting conductors 10, 20 are soldered to the corresponding ends 32, 34 of the connector 100, respectively.
  • each of the first superconductive conductors 10 makes contact with at least one superconductive additional element 40, in particular one associated with the intended contact point. This ensures that the current, at least below the transition temperature of the superconductive Additional elements 40, essentially flowing through the superconducting additional elements 40 of the connector 100. The connector resistance of the connector 100 can thus be minimized.
  • FIG. 10 shows a schematic drawing of a connector 100 in accordance with a further embodiment of the present invention.
  • the connector 100 in this further embodiment differs from the embodiment according to FIG Figure 2 only in that the connector 100 is angled or curved.
  • the base element 30 and also the superconducting additional elements 40 are angled or curved.
  • the at least one conductive base element 30 and also the at least one superconductive additional element 40 is shaped such that in the assembled state of the connector 100, a longitudinal axis of the at least one first superconductive conductor 10 and a longitudinal axis of the at least one second superconductive conductor 20 one Include or form angle ⁇ .
  • ⁇ 0 °.
  • ⁇ is about 90 °.
  • the angle ⁇ can in principle assume any value greater than or equal to 0 and less than or equal to 180 °.
  • a large number of connectors 100 can be produced with different angles ⁇ , so that they can be used as required.
  • Figures 4a to 4c Figure 10 shows schematic drawings of a connector 100 according to a further embodiment of the present invention.
  • the at least one superconducting additional element 40 of the connector is arranged within the base element 30, that is to say on an inside of the base element 30 or of the connector 100. This makes it possible to achieve a very low contact resistance, since the current only has to flow through a thin layer of solder from the superconductor of the conductor or cable 10 or 20 to the superconductive additional element 40 of the connector 100.
  • the amount of superconductor in the The connector preferably corresponds to at least the amount of superconductor in the conductor or cable 10 or 20.
  • the base element 30 comprises four base element parts 30a to 30d.
  • the base element parts 30a to 30d are each designed as quarter shells.
  • Two superconductive additional elements 40 are arranged, in particular inserted, pressed in or soldered in, in each case on an inner side of these base element parts 30a to 30d.
  • the base element parts 30a to 30d are arranged around the conductor or cable ends 10 and 20 to be connected.
  • the connector 100 or the base element 30 comprises a plurality of base element parts
  • the base element can comprise one, two, three, four, five, etc., base element parts.
  • the number and arrangement of additional superconducting elements 40 can also vary.
  • FIG. 11 shows a schematic drawing of the connector according to FIG Figures 4a to 4c together with two heating and pressing devices 30e and 30f. These heating and pressing devices 30e and 30f are used to heat and press the connector 100 during the connection process and are then removed.
  • FIG. 6a and 6b Figure 10 shows schematic drawings of a connector 100 according to a further embodiment of the present invention.
  • the connector 100 is angled.
  • the base element 30 comprises two base element parts 30g and 30h.
  • the at least one superconducting additional element 40 or the eight superconducting additional elements 40 are each arranged in a recess between the two base element parts 30g and 30h, ie within the base element 30.
  • the connector 100 is designed to connect two conductors or cables 10 and 20, each of which has a superconductor body 50 with a cross-shaped cross section.
  • the conductors or cables 10 and 20 each have a jacket tube 80 which surrounds the superconductor body 50. Both the superconductor body 50 and the cladding tube 80 can be contacted with the end sections of the connector 100. In particular, the cable ends can be placed between the base element parts 30g and 30h and then connected to them, in particular soldered and / or pressed.
  • the superconducting additional elements or the superconducting tapes are all oriented in the same plane in order to guide them along their simple bending axis around the 90 ° angle without degradation.
  • Figures 7a and 7b Figure 10 shows schematic drawings of a connector 100 in accordance with further embodiments of the present invention.
  • the connector 100 has a joint or hinge 37 in a central section of the connector 100, with the aid of which an angle of the connector 100 can be varied or adjusted.
  • This is in the Figure 7a indicated schematically by a curved arrow.
  • the additional superconducting elements 40 or superconducting tapes extending through the connector are bent in a C-shape in the middle section of the connector 100 and, in comparison to the base element 30 or to the base element parts 30i and 30j, as well as to the connector 100 itself, a greater length.
  • the minimum bending radius of REBCO tapes is typically 1 cm in a single bending direction.
  • the superconducting tapes therefore preferably have a C-shaped bend with a radius> 1 cm, so that in this way the bend in the superconductor remains free of degradation.
  • the connector 100 can be varied in length or its length adjusted along a groove or sliding groove. This is in the Figure 7b indicated schematically by a straight arrow. This is particularly advantageous when the connector 100 cools below the transition temperature, in order to compensate for changes in length that occur in the process.
  • the superconducting additional elements or superconducting tapes 40 extending through the connector are bent in a C-shape in the central section of the connector 100.
  • the superconducting tapes therefore preferably have a C-shaped bend with a radius> 1 cm, so that in this way the bend in the superconductor remains free of degradation and the current can continue to be transmitted when the base body changes in length.
  • the cross section of the connector 100 is preferably selected such that, in the event of a quench, the current can flow through the base element 30 or the base element parts until it is switched off.
  • the connector 100 can thus be used to connect at least one first superconductive conductor to at least one second superconductive conductor.
  • the at least one first and the at least one second superconductive conductor can each comprise a plurality of superconductor tapes, which are each arranged in a tape stack and each form a superconductor body of the respective superconductive conductor.
  • the Figure 8 shows a schematic diagram of the cross section of an exemplary superconducting conductor 10 or 20, which can be connected to a further conductor by means of the connector according to the invention.
  • the superconductive conductor 10 or 20 comprises a plurality of superconductor strips 3, each of which has the same width and is stacked on top of one another.
  • the cross section of the stacked superconductor tapes 3 is rectangular or square in this example.
  • a superconductor body 50 is formed through the tape stack.
  • FIG 9 a schematic diagram of the cross section of a further exemplary superconducting conductor 10 or 20 is shown, which can be connected to a further conductor by means of the connector according to the invention.
  • the tape stack or the superconductor body 50 does not have a square, but a cross-shaped cross-section. This is achieved in that superconductor tapes 1 and 2 are used, each with two different widths, in order to form the superconductor stack or the superconductor body 50.
  • the end sections 32 and 34 of the connector 100 can each be contacted with the superconductor body 50 of a superconductive conductor or cable.
  • a superconducting conductor can also comprise a cladding tube 80.
  • the superconductor body 50 of a superconductive conductor can be surrounded by a cladding tube 80.
  • This jacket tube 80 can also be contacted at an end section 32, 34 of the connector 100. In this way, a connection or contact is possible in a very simple and stable manner.
  • the connector 100 according to the invention or the modular connection concept associated therewith, i.e. the provision of a large number of connectors with different angles a, allows the simple technical use of superconducting conductors or cables even with complex geometries.
  • the superconducting conductors can be laid analogously to a water pipe.
  • the connector takes on the role of a press fitting or soldering fitting, while the superconducting conductors or cables take on the role of conduits to be connected.

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Gas Or Oil Filled Cable Accessories (AREA)

Claims (15)

  1. Connecteur (100) pour la connexion électrique d'au moins un premier conducteur supraconducteur (10) à au moins un deuxième conducteur supraconducteur (20), comportant :
    - un élément de base (30) électriquement conducteur avec une première section terminale (32) avec laquelle l'au moins un premier conducteur supraconducteur (10) peut être mis en contact électrique, et une deuxième section terminale (34) avec laquelle l'au moins un deuxième conducteur supraconducteur (20) peut être mis en contact, l'élément de base (30) présentant au moins une rainure ; caractérisé en ce que le connecteur (100) présente au moins un élément supplémentaire supraconducteur (40), lequel est disposé au moins partiellement dans la rainure de l'élément de base (30) et s'étend à partir de la première section terminale (32) vers la deuxième section terminale (34) de l'élément de base (30), l'au moins un élément supplémentaire supraconducteur (40) étant intégré dans le connecteur (100) indépendamment des conducteurs (10, 20) à relier entre eux.
  2. Connecteur (100) selon la revendication 1, dans lequel l'au moins un élément supplémentaire supraconducteur (40) est en contact électrique avec l'élément de base (30).
  3. Connecteur (100) selon la revendication 1 ou 2, dans lequel l'élément de base (30) comporte plusieurs parties d'élément de base (30a-30d ; 30g-30h ; 30i-30j ; 30k-30l) et/ou dans lequel l'élément de base (30) comporte une articulation (37) et/ou dans lequel l'élément de base (30) est partiellement ou entièrement constitué de cuivre et/ou dans lequel l'au moins un élément supplémentaire supraconducteur (40) comporte une bande supraconductrice ou une pile de bandes supraconductrices.
  4. Connecteur (100) selon l'une des revendications précédentes, dans lequel l'élément de base (30) comporte plusieurs parties d'élément de base (30i-30j ; 30k-30l) et dans lequel une longueur de l'au moins un élément supplémentaire supraconducteur (40) est supérieure à la somme des longueurs des parties d'élément de base (30i-30j ; 30k-30l).
  5. Connecteur (100) selon la revendication 4, dans lequel l'élément de base (30) comporte une rainure de coulissement, dans laquelle l'une au moins des parties d'élément de base (30k, 30l) peut coulisser.
  6. Connecteur (100) selon l'une des revendications précédentes, dans lequel l'élément de base (30) est adapté pour connecter électriquement n premiers conducteurs supraconducteurs (10) à n deuxièmes conducteurs supraconducteurs (20), dans lequel le connecteur (100) comporte n ou un multiple entier de n éléments supplémentaires supraconducteurs (40) et dans lequel n est un nombre entier naturel supérieur à zéro.
  7. Connecteur (100) selon l'une des revendications précédentes, dans lequel
    - l'au moins un élément de base (30) conducteur est conçu rectiligne ou coudé, et/ou dans lequel
    - l'au moins un élément de base (30) conducteur est formé de telle façon que dans un état monté du connecteur (100), un axe longitudinal de l'au moins un premier conducteur supraconducteur (10) et un axe longitudinal de l'au moins un deuxième conducteur supraconducteur (20) forment un angle entre 0° et 180°.
  8. Utilisation du connecteur (100) selon l'une des revendications précédentes, pour la connexion d'au moins un premier conducteur supraconducteur (10) à au moins un deuxième conducteur supraconducteur (20).
  9. Utilisation selon la revendication 8, dans laquelle l'au moins un premier et l'au moins un deuxième conducteur supraconducteur comportent une pluralité de bandes supraconductrices (1, 2 ; 5), lesquelles sont disposées respectivement en une pile de bandes et forment respectivement un corps de supraconducteur (50) du conducteur supraconducteur respectif.
  10. Utilisation selon la revendication 9, dans laquelle le corps de supraconducteur (50) présente une section transversale cruciforme.
  11. Utilisation selon la revendication 9 ou 10, dans laquelle la pile de bandes du corps de supraconducteur (50) présente des bandes supraconductrices (1, 2) de précisément deux largeurs différentes.
  12. Utilisation selon l'une des revendications 9 à 11, dans laquelle la première section terminale (32) du connecteur (100) est mise en contact électrique avec le corps de supraconducteur de l'au moins un premier conducteur supraconducteur (10) et/ou dans laquelle la deuxième section terminale (34) du connecteur (100) est mise en contact électrique avec le corps de supraconducteur de l'au moins un deuxième conducteur supraconducteur (20).
  13. Utilisation selon l'une des revendications 8 à 12, dans laquelle la première section terminale (32) du connecteur (100) est mise en contact électrique avec une gaine (80) de l'au moins un premier conducteur supraconducteur (10), et/ou dans laquelle la deuxième section terminale (34) du connecteur (100) est mise en contact électrique avec une gaine (80) de l'au moins un deuxième conducteur supraconducteur (20).
  14. Utilisation selon l'une des revendications 8 à 13, dans laquelle la première section terminale (32) du connecteur (100) est mise en contact électrique aussi bien avec la gaine (80 qu'avec le corps de supraconducteur de l'au moins un premier conducteur supraconducteur (10), et/ou dans laquelle la deuxième section terminale (34) du connecteur (100) est mise en contact électrique aussi bien avec la gaine (80) qu'avec le corps de supraconducteur de l'au moins un deuxième conducteur supraconducteur (20).
  15. Utilisation selon l'une des revendications 12 à 14, dans laquelle la mise en contact électrique est effectuée par sertissage ou par assemblage thermique.
EP16756585.2A 2015-08-12 2016-08-10 Connecteur pour conducteurs supraconducteurs et utilisation du connecteur Active EP3335280B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015010634.1A DE102015010634A1 (de) 2015-08-12 2015-08-12 Verbinder für supraleitfähige Leiter und Verwendung des Verbinders
PCT/EP2016/001370 WO2017025191A1 (fr) 2015-08-12 2016-08-10 Connecteur pour conducteurs supraconducteurs et utilisation du connecteur

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EP3335280B1 true EP3335280B1 (fr) 2022-01-05

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EP (1) EP3335280B1 (fr)
CN (1) CN108140961B (fr)
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WO (1) WO2017025191A1 (fr)

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US11783968B2 (en) 2020-05-07 2023-10-10 Massachusetts Institute Of Technology Cabling method of superconducting flat wires
US20210376498A1 (en) * 2020-05-29 2021-12-02 Massachusetts Institute Of Technology Partitioned Cable Joint for Superconducting Cables
US20210375507A1 (en) * 2020-05-29 2021-12-02 Massachusetts Institute Of Technology Superconducting Cable Joint and Related Techniques
CN112069733B (zh) * 2020-09-03 2024-04-19 中国科学院电工研究所 能源管道用高温超导直流电缆电流均流优化方法及系统
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US10218090B2 (en) 2019-02-26
CN108140961B (zh) 2020-05-29
US20180226730A1 (en) 2018-08-09
WO2017025191A1 (fr) 2017-02-16
DE102015010634A1 (de) 2017-02-16
CN108140961A (zh) 2018-06-08
EP3335280A1 (fr) 2018-06-20

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