IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0384032
(2006-03-17)
|
등록번호 |
US-7633014
(2009-12-24)
|
우선권정보 |
EP-05290931(2005-04-27) |
발명자
/ 주소 |
- Allais, Arnaud
- Schmidt, Frank
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
2 |
초록
▼
A superconductor cable includes a superconductive cable core (1) and a cryostat (2) enclosing the same. The cable core (1) has a superconductive conductor (3), an insulation (4) surrounding the same and a shielding (5) surrounding the insulation (4). A layer (3b) of a dielectric or semiconducting ma
A superconductor cable includes a superconductive cable core (1) and a cryostat (2) enclosing the same. The cable core (1) has a superconductive conductor (3), an insulation (4) surrounding the same and a shielding (5) surrounding the insulation (4). A layer (3b) of a dielectric or semiconducting material is applied to a central element (3a) formed from a normally conducting material as a strand or tube and a layer (3c) of at least one wire or strip of superconductive material is placed helically on top. The central element (3a) and the layer (3c) are connected to each other in an electrically conducting manner at the ends of the cable core (1).
대표청구항
▼
The invention claimed is: 1. A superconducting cable, comprising: a superconductive cable core having a superconductive conductor, an insulation surrounding the superconductive conductor and a shielding surrounding the insulation; a cryostat, enclosing the superconductive cable core; a layer of a d
The invention claimed is: 1. A superconducting cable, comprising: a superconductive cable core having a superconductive conductor, an insulation surrounding the superconductive conductor and a shielding surrounding the insulation; a cryostat, enclosing the superconductive cable core; a layer of a dielectric or semiconducting material applied to a central element formed from a normally conducting material as a strand or tube; and a layer of at least one wire or strip of superconductive material placed helically onto the layer of a dielectric or semiconducting material, wherein the central element and the layer of superconductive material are connected to each other in an electrically conducting manner at the ends of the cable core, wherein the electrical connection provided at each end of the cable core is produced by at least one ring of copper, which is provided between the central element and the layer of superconductive material and is in electrically conducting contact with the central element and the layer of superconductive material, and wherein each ring is connected both to the central element and to the layer of superconductive material by a soldered connection. 2. The superconductor cable according to claim 1, wherein the layer of dielectric or semiconducting material is a layer of a thermoplastic material or paper applied to the central element. 3. The superconductor cable according to claim 2, wherein the layer of dielectric or semiconducting material has at least one layer of material in strip form applied helically to the conductor. 4. The superconductor cable according to claim 2, wherein the layer of dielectric or semiconducting material has one or more layers of paper strip laminated with polypropylene. 5. The superconductor cable according to claim 1, wherein the layer of dielectric or semiconducting material has one or more layers of carbon paper. 6. The superconductor cable according to claim 1, wherein the shielding has a first layer of superconductive wires or strips resting on the insulating layer, which is applied helically to the insulating layer, a second layer, having at least one wire or strip of normally conducting material, and also a layer of a dielectric or of a semiconducting material located between the first layer and the second layer, and in that the first layer and the second layer are connected to each other in an electrically conducting manner at the ends of the shielding. 7. The superconductor cable according to claim 6, wherein the electrical connection is produced by at least one ring of copper, which is provided between the two layers and is in electrically conducting contact with both layers. 8. The superconductor cable according to claim 7, wherein each ring is connected both to the layer of superconductive material and to the layer of normally conducting material by a soldered connection. 9. The superconductor cable according to claim 1, wherein the at least one wire or the at least one strip of the first layer of superconductive material is applied to the layer of dielectric or semiconducting material with a length of lay which is greater than 3D1, where D1 is the outside diameter of the layer. 10. The superconductor cable according to claim 1, wherein the at least one wire or the at least one strip of the first layer of the shielding is applied to the insulation with a length of lay which is greater than 3D2, where D2 is the outside diameter of the insulation. 11. The superconductor cable according to claim 1, wherein the lengths of lay of a plurality of superconductive layers are chosen with allowance for the inductive and resistive components of the impedance when the superconductor is operated with alternating current, in such a way that, during normal operation, a current distribution in which the current flow is primarily in the superconductive layers is obtained and, in the case of operation with a short-circuit current, a current distribution in which the current flows primarily in the layers of normally conducting material is obtained. 12. A superconducting cable, comprising: a superconductive cable core having a superconductive conductor, an insulation surrounding the superconductive conductor and a shielding surrounding the insulation; a cryostat, enclosing the superconductive cable core; a layer of a dielectric or semiconducting material applied to a central element formed from a normally conducting material as a strand or tube; and a layer of at least one wire or strip of superconductive material is placed helically onto the layer of a dielectric or semiconducting material, wherein the central element and the layer of superconductive material are connected to each other in an electrically conducting manner at the ends of the cable core, wherein the shielding has a first layer of superconductive wires or strips resting on the insulating layer, which is applied helically to the insulating layer, a second layer, having at least one wire or strip of normally conducting material, and also a layer of dielectric or of semiconducting material located between the first layer and the second layer, and in that the first layer and the second layer are connected to each other in an electrically conducting manner at the ends of the shielding, wherein the electrical connection is produced by at least one ring of copper, which is provided between the two layers and is in electrically conducting contact with both layers and wherein each ring is connected both to the layers of superconductive material and to the layer of normally conducting material by a soldered connection.
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