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公开(公告)号：WO2022155462A1
公开(公告)日：2022-07-21
申请号：PCT/US2022/012502
申请日：2022-01-14
发明人： GOLINGO, Raymond , BTAICHE, Jean-christoph , HARRIS, Paul , CHOUDHURY, Ayan , SEIFOLLAHI MOGHADAM, Zahra , TOCHON, Pierre , MCDONALD, Alex
摘要： Plasma processing systems and methods suitable for use in fusion power applications are disclosed. The system can include a plasma confinement device having a first compression electrode and a second compression electrodes spaced apart from each other along Z-pinch axis to define a reaction chamber therebetween; a precursor supply device including an inner precursor supply unit configured to supply, through an inner injector thereof, an inner precursor plasma or gas into the reaction chamber, and an outer precursor supply unit configured to supply, through an outer injector thereof disposed radially outwardly of the inner injector with respect to the Z-pinch axis, an outer precursor plasma into the reaction chamber; and a power supply configured to apply a voltage between the first and second compression electrodes to energize and compress the inner precursor plasma or gas and the outer precursor plasma into a Z-pinch plasma having a radially sheared axial flow.
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公开(公告)号：WO2022125912A1
公开(公告)日：2022-06-16
申请号：PCT/US2021/062830
申请日：2021-12-10
发明人： GOLINGO, Raymond , BTAICHE, Jean-christoph , HARRIS, Paul , CHOUDHURY, Ayan , SEIFOLLAHI MOGHADAM, Zahra , TOCHON, Pierre
摘要： Plasma processing systems and methods for fusion power applications are disclosed. The system can include a plasma confinement device including a reaction chamber; a plasma formation and injection device configured to form a source plasma outside the reaction chamber and inject the source plasma inside the reaction chamber; and a power supply configured to supply power to the plasma confinement device to apply a voltage across the reaction chamber to compress the source plasma into a Z-pinch plasma capable of sustaining fusion reactions. The plasma confinement device can include an inner electrode surrounded by an outer electrode to define therebetween an acceleration region of the reaction chamber. The outer electrode can extend beyond the inner electrode to define an assembly region of the reaction chamber. The source plasma can be injected in the acceleration region and flowed into the assembly region to be compressed into the Z-pinch plasma.
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公开(公告)号：WO2022084398A2
公开(公告)日：2022-04-28
申请号：PCT/EP2021/079107
申请日：2021-10-20
申请人： TOKAMAK ENERGY LTD
IPC分类号： H01F6/02 , G21B1/05 , H01F6/06 , H01F27/32 , H02H7/00 , G21B1/057 , H01B12/00 , H01F2027/329 , H01F27/323 , H02H7/001
摘要： A high temperature superconductor, HTS, field coil having turns comprising HTS material wound about an axis of the coil. The turns are separated from one another along a direction perpendicular to the axis by a layer of insulator material having a first resistivity at a temperature less than a generation temperature of the HTS material and a lower, second resistivity at a second temperature greater than the generation temperature of the HTS material. The HTS field coil further comprises one or more electrical conductor elements arranged to provide one or more electrically conductive pathways extending from one turn to an adjacent turn and through the layer of insulator material. In response to a voltage difference generated across the one or more electrically conductive pathways, electrical current is driven through the one or more electrical conductor elements to heat the layer of insulator material.
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公开(公告)号：WO2021122588A1
公开(公告)日：2021-06-24
申请号：PCT/EP2020/086207
申请日：2020-12-15
申请人： TOKAMAK ENERGY LTD
发明人： BUXTON, Peter
摘要： A tokamak comprising a vacuum chamber, a toroidal field coil, and a solenoid. The solenoid is wound around the toroidal field coil within a central column region of the tokamak. The solenoid comprises an inner portion and two outer portions. The inner portion comprises windings extending axially for a first distance either side of the midpoint of the length of the solenoid. The outer portions, each comprise windings extending axially from an end of the inner portion. The inner portion has a number of turns per unit length which is greater than a number of turns per unit length of the outer portion.
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公开(公告)号：WO2020090890A1
公开(公告)日：2020-05-07
申请号：PCT/JP2019/042585
申请日：2019-10-30
申请人： 学校法人日本大学
摘要： 不純物量の精密な制御を可能とする磁化プラズモイド射出装置（１０）であって、円筒状の外部電極（１１）と、外部電極の内部に同軸状に配置される内部電極（１２）と、外部電極と内部電極との間にプラズマ生成ガスをパルス状に供給するプラズマ生成ガス供給部（１３）と、外部電極と内部電極との間に磁化プラズモイドを生成する磁界を印加する磁界発生部（１５）と、外部電極と内部電極との間に放電電圧を印加する電源制御部（１４）と、磁化プラズモイドに不純物を含有させる不純物生成部（１００）と、を具備し、不純物生成部が、外部電極に開口するカバー電極（１０２）と、カバー電極内に位置し不純物からなる針状電極（１０１）と、カバー電極と針状電極とに電圧を印加する不純物生成電源と、を有する。
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公开(公告)号：WO2020049284A1
公开(公告)日：2020-03-12
申请号：PCT/GB2019/052442
申请日：2019-09-02
申请人： TOKAMAK ENERGY LTD
摘要： A toroidal field coil. The toroidal field coil comprises a central column and a plurality of return limbs. Each return limb comprises a plurality of double pancake, DP, coils, the DP coils comprising high temperature superconducting, HTS, tapes. The DP coils are arranged such that a section of the DP coil which passes through the central column is positioned such that the tapes are aligned substantially with the local magnetic field during operation of the toroidal field coil. At least two DP coils at the outside of each return limb are bent about an axis parallel to the central column such that they each curve inwards towards each other.
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公开(公告)号：WO2019150123A1
公开(公告)日：2019-08-08
申请号：PCT/GB2019/050275
申请日：2019-01-31
申请人： TOKAMAK ENERGY LTD
发明人： SLADE, Robert , KRUIP, Marcel , VAN NUGTEREN, Bas , BRITTLES, Greg , RUIZ DE VILLA VALDÉS, Enrique
摘要： A high temperature superconducting, HTS, field coil. The HTS field coil comprises a plurality of turns and a partially insulating layer. The plurality of turns comprises HTS material and metallic stabilizer. The partially insulating layer separates the turns, such that current can be shared between turns via the partially insulating layer. The partially insulating layer comprises an electrically conducting layer, and first and second insulating layers. The electrically conducting layer is coated on one side with the first insulating layer and on the other side with the second insulating layer. Each insulating layer has one or more windows through which electrical contact can be made between the turns and the electrically conducting layer. The windows in the first insulating layer are offset in the plane of the electrically conducting strip from the windows in the second insulating layer.
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公开(公告)号：WO2019150098A1
公开(公告)日：2019-08-08
申请号：PCT/GB2019/050248
申请日：2019-01-30
申请人： TOKAMAK ENERGY LTD
发明人： SLADE, Robert
摘要： An HTS assembly for use in a toroidal field coil having a central column is described. The HTS assembly comprises a plurality of parallel arrays of HTS tapes arranged to pass through the central column, each array comprising a plurality of HTS tapes arranged such that c-axes of all tapes in an array are parallel to each other, and such that planes of the HTS layers of the HTS tapes are perpendicular to a first radius of the central column. Each HTS tape has a c-angle which is an angle between a perpendicular to a plane of an HTS layer of the HTS tape and the c-axis of the tape. The plurality of arrays comprises first and second sets of arrays. Each array within the first set of arrays comprises HTS tapes of a first type having a first c-angle, and each array within the second set of arrays comprises HTS tapes of a second type having a second c-angle which is greater than the first c-angle. The first set of arrays are arranged closer to the first radius than the second set of arrays.
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公开(公告)号：WO2019150096A1
公开(公告)日：2019-08-08
申请号：PCT/GB2019/050246
申请日：2019-01-30
申请人： TOKAMAK ENERGY LTD
发明人： LANGTRY, Tony , SLADE, Robert , KRUIP, Marcel
CPC分类号： G21B1/057 , H01F6/06 , H01F27/322 , H01F37/005
摘要： There is described a central column for a toroidal field coil of a tokamak plasma chamber. The central column comprises a support member extending vertically along a central axis of the central column made from material with high compressive strength, and current carrying elements located radially outward of the support member. The support member is in structural contact with the current carrying elements so as to support them radially against compressive Lorentz stress.
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公开(公告)号：WO2019150095A1
公开(公告)日：2019-08-08
申请号：PCT/GB2019/050245
申请日：2019-01-30
申请人： TOKAMAK ENERGY LTD
发明人： SLADE, Robert
摘要： A method of manufacturing an HTS coil is provided. The method comprises winding an HTS coil cable to produce a coil having a plurality of turns. During winding of a turn of the coil, one or more HTS shunt cables are placed adjacent to the previous turn of the coil along a first arc of the coil, and then the turn is wound such that the HTS shunt cable is sandwiched between the turn and the previous turn of the coil such that current can be shared between the HTS shunt cable and the HTS coil cable.
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