CN102545134B - High temperature superconducting cable multi-segment connection device - Google Patents
High temperature superconducting cable multi-segment connection device Download PDFInfo
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- CN102545134B CN102545134B CN201210027910.XA CN201210027910A CN102545134B CN 102545134 B CN102545134 B CN 102545134B CN 201210027910 A CN201210027910 A CN 201210027910A CN 102545134 B CN102545134 B CN 102545134B
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- 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
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- 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
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- 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
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
Provided is a high temperature superconducting cable multi-segment connection device. Two high temperature superconducting cables are connected through a transition copper metal end head, an electrifying conductor compensation flexible wire (19) and an electrifying conductor pressure welding terminal (20). A low temperature dewar pipe vacuum inserting-connecting male port (5) is inserted in a low temperature dewar pipe vacuum inserting-connecting female port (7). A semiconductive shielding layer (16) of the high temperature superconducting cable multi-segment connection device is connected with a semiconductive shielding layer (10) in a high temperature superconducting cable body, an insulation layer (14) of the high temperature superconducting cable multi-segment connection device is connected with an insulation layer (11) of the high temperature superconducting cable body, a semiconductive shielding layer (15) outside the high temperature superconducting cable multi-segment connection device is connected with a semiconductive shielding layer (13) outside the high temperature superconducting cable body, a metal shielding layer (21) of the high temperature superconducting cable multi-segment connection device is connected with a metal shielding layer (25) of the high temperature superconducting cable body, and a protection layer (17) of the high temperature superconducting cable multi-segment connection device is connected with a protection layer (12) of the high temperature superconducting cable body.
Description
Technical field
The present invention relates to a kind of high temperature superconducting cable multi-segment connection device, the device that particularly cryogenic envelope of multistage high-temperature superconductive cable connects, electrical conductor connection is connected with insulation system.
Background technology
The difference of high-temperature superconductive cable and normal cable is, high-temperature superconductive cable adopted there is zero resistance, the high temperature superconducting materia of large current transmission characteristic is as conductor, using cheap liquid nitrogen as coolant, its transmission capacity is 3～5 times of normal cable, having the advantages such as transmission capacity is large, electromagnetic pollution is little, loss is low, is an important channel of realizing large capacity, low-loss transmission of electricity.High-temperature superconductive cable electrical conductor and cryogenic envelope are the important component parts of high-temperature superconductive cable, realize respectively the security function of high-order hyperconductive cable large density current-carrying function and low temperature environment.Be limited to packed and transported, vacuum and objective condition and the technical conditions restriction such as prepare, single hyperconductive cable can not big-length processing and transportation.Long distance powedr transmission needs the connection of multistage hyperconductive cable to use, and the connection of hyperconductive cable comprises that three parts are that the connection of electrical conductor is, the connection of the connection of cryogenic envelope and insulation system.
Hyperconductive cable electrical conductor is comprised of electrical conductor stay pipe, electrical conductor superconducting tape and transition copper metal termination three parts.Electrical conductor superconducting tape is wrapped on electrical conductor stay pipe, and the termination at electrical conductor stay pipe two ends is welded on respectively on transition copper metal termination, and the termination at electrical conductor superconducting tape two ends is welded on respectively on the outer surface of copper metal termination.
Cryogenic envelope, for providing low temperature guarantee to electrical conductor, is comprised of two concentric stainless steels, is surrounded with Multi-layer super heat-insulating material between inner and outer pipes interlayer, and sandwich design is high vacuum.Cryogenic envelope two ends are respectively male mouthful, female mouthful design.
Hyperconductive cable insulation system comprises interior semi-conductive layer, insulating barrier, outer semiconducting layer, metal screen layer and protective layer.Insulation system is positioned at the skin of hyperconductive cable cryogenic envelope.Corresponding, in high temperature superconducting cable multi-segment connection device, insulation system comprises interior semi-conductive layer, insulating barrier, outer semiconducting layer, metal screen layer, protective layer equally.
The application of hyperconductive cable is still in engineering demonstration phase, for the connectivity problem of many hyperconductive cables in long distance powedr transmission, relates to less.It is connection for the little cable of multicore that patent CN1628400 " cable joint " proposes a kind of.Patent CN2638309 proposes a kind of cable connecting arrangement, but is mainly used in the connection of electric wire for automobiles.< < high voltage technique > > 2007, vol33, No 12 documents such as grade " the bridge line cable joint accident analysis of 110kV state and processing " relate to a kind of cable joint, its structure adopts sleeve pipe solderless terminal, its principle is to adopt copper sleeve that two cable conductor terminations are inserted in after sleeve pipe, by crimping apparatus, its crimp is connected.
Summary of the invention
The object of the invention is to solve the middle connectivity problem of long distance powedr transmission multistage hyperconductive cable, propose a kind of high-temperature superconductive cable intermediate junction device, to solve, high-temperature superconductive cable electrical conductor connects, cryogenic envelope connects and insulation system connectivity problem.
The present invention is according to hyperconductive cable design feature, a kind of high temperature superconducting cable multi-segment connection device is proposed, by this device, respectively hyperconductive cable electrical conductor, cryogenic envelope and insulation system are connected to integral body, thereby realize, with high-temperature superconductive cable, carry out long distance powedr transmission.High temperature superconducting cable multi-segment connection device of the present invention can be realized the integrated connection of many high-temperature superconductive cables.If hyperconductive cable electrical conductor is whole design, the individual event that high temperature superconducting cable multi-segment connection device of the present invention also can be realized cryogenic envelope and insulation system is connected.
High temperature superconducting cable multi-segment connection device of the present invention comprises three coupling parts: hyperconductive cable electrical conductor coupling part, hyperconductive cable cryogenic envelope linkage section and hyperconductive cable insulation system coupling part.Hyperconductive cable electrical conductor coupling part is placed in hyperconductive cable cryogenic envelope, and hyperconductive cable insulation system coupling part is positioned at the outer surface of hyperconductive cable cryogenic envelope.
Described hyperconductive cable electrical conductor coupling part compensates flexible cord, transition copper metal termination, electrical conductor crimp type terminal by electrical conductor and forms, electrical conductor compensation cord ends is placed in transition copper metal end cephalic par outside, and electrical conductor crimp type terminal is set in the outside, end of electrical conductor compensation flexible cord.
Described hyperconductive cable cryogenic envelope linkage section is comprised of male mouthful of cryogenic envelope vacuum grafting, the female mouth of cryogenic envelope vacuum grafting, adpting flange, the equal pressing plate of electric field.Cryogenic envelope vacuum is pegged graft male mouthful and is pegged graft female mouthful and linked together by adpting flange and cryogenic envelope vacuum, forms cryogenic envelope connector.Two equal pressing plate spiral-locks of semicircular electric field are in adpting flange outside and be welded as integral body.Cryogenic envelope connector and the described equal pressing plate of electric field form cryogenic envelope linkage section jointly.
Described hyperconductive cable insulation system coupling part is comprised of high temperature superconducting cable multi-segment connection device inner semiconductor layer, high temperature superconducting cable multi-segment connection device insulating barrier, high temperature superconducting cable multi-segment connection device out semiconductor layer, stress control layer, high temperature superconducting cable multi-segment connection device metal screen layer, high temperature superconducting cable multi-segment connection device protective layer.High temperature superconducting cable multi-segment connection device inner semiconductor layer is placed in innermost layer, is wrapped in the outer surface of cryogenic envelope linkage section.High temperature superconducting cable multi-segment connection device insulating barrier is wrapped in high temperature superconducting cable multi-segment connection device inner semiconductor layer outside.Stress control layer is wrapped or be sleeved on the skin of high temperature superconducting cable multi-segment connection device insulating barrier, and the axial location of stress control layer is in high temperature superconducting cable multi-segment connection device insulating barrier and high-temperature superconducting cable body insulating barrier lap-joint.High temperature superconducting cable multi-segment connection device out semiconductor layer is wrapped in high temperature superconducting cable multi-segment connection device insulating barrier and stress control layer outside.High temperature superconducting cable multi-segment connection device metal screen layer is wrapped in high temperature superconducting cable multi-segment connection device out semiconductor layer outside, and outermost layer is high temperature superconducting cable multi-segment connection device protective layer.
While connecting high-temperature superconductive cable, two hyperconductive cable electrical conductors link together by the two ends of crimp type terminal and electrical conductor compensation flexible cord respectively; A hyperconductive cable cryogenic envelope vacuum is pegged graft male mouthful and is plugged in a female mouth of hyperconductive cable cryogenic envelope vacuum grafting; High temperature superconducting cable multi-segment connection device internal shield, high temperature superconducting cable multi-segment connection device insulating barrier, high temperature superconducting cable multi-segment connection device out semiconductor layer and high temperature superconducting cable multi-segment connection device metal screen layer, high temperature superconducting cable multi-segment connection device protective layer link together with inner semiconductor layer, insulating barrier, out semiconductor layer, metal screen layer and the protective layer of hyperconductive cable body insulation system respectively.
Described electrical conductor compensation flexible cord is comprised of built in copper flexible cord together many establishments or strand, and the quantity of compensation flexible cord can be adjusted according to hyperconductive cable ampacity size appropriateness.
Described male mouthful of cryogenic envelope vacuum grafting, cryogenic envelope vacuum are pegged graft female mouthful and are all designed to vacuum interlayer.Cryogenic envelope vacuum is pegged graft male mouthful and is plugged in the female mouth of cryogenic envelope vacuum grafting.
Described high temperature superconducting cable multi-segment connection device inner semiconductor layer, high temperature superconducting cable multi-segment connection device insulating barrier, high temperature superconducting cable multi-segment connection device out semiconductor layer, high temperature superconducting cable multi-segment connection device protective layer are thermal shrinkage type tubing.
By stress control belt, wrapped or stress cone forms described stress control layer, and stress control layer width is no more than 200mm.
Described high temperature superconducting cable multi-segment connection device metal screen layer is comprised of metal copper mesh or metal copper strips.
Accompanying drawing explanation
Fig. 1 a, Fig. 1 b, Fig. 1 c are respectively high temperature superconducting cable multi-segment connection device schematic diagram, and wherein Fig. 1 a always schemes, and Fig. 1 b is that public mouthful of hyperconductive cable cryogenic envelope vacuum grafting is schemed, and Fig. 1 c is hyperconductive cable cryogenic envelope vacuum grafting mother mouthful figure;
In figure: 1 cryogenic envelope, the public mouthful vacuum layer of 2 hyperconductive cable cryogenic envelope vacuum grafting, the equal pressing plate of 3 electric field, 4 adpting flanges, 5 hyperconductive cable cryogenic envelope vacuum are pegged graft public mouthful, female mouthful of vacuum layer of 6 hyperconductive cable cryogenic envelope vacuum grafting, 7 hyperconductive cable cryogenic envelope vacuum are pegged graft female mouthful, 8 low temperature seal pads, 9 electrical conductors, 10 high-temperature superconducting cable body inner semiconductor layers, 11 high-temperature superconducting cable body insulating barriers, 12 high-temperature superconducting cable body protective layers, 13 high-temperature superconducting cable body out semiconductor layers, 14 high temperature superconducting cable multi-segment connection device insulating barriers, 15 high temperature superconducting cable multi-segment connection device out semiconductor layers, 16 high temperature superconducting cable multi-segment connection device inner semiconductor layers, 17 high temperature superconducting cable multi-segment connection device protective layers, 18 transition copper metal terminations, 19 electrical conductor compensation flexible cords, 20 electrical conductor crimp type terminals, 21 high temperature superconducting cable multi-segment connection device metal screen layers, 22 electrical conductor superconducting tapes, 23 stress control layers, 24, electrical conductor stay pipe, 25 high-temperature superconducting cable body metal screen layers.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention.
High temperature superconducting cable multi-segment connection device of the present invention comprises three coupling parts: hyperconductive cable electrical conductor coupling part, hyperconductive cable cryogenic envelope linkage section and hyperconductive cable insulation system coupling part.Hyperconductive cable electrical conductor coupling part is placed in hyperconductive cable cryogenic envelope, and hyperconductive cable insulation system coupling part is positioned at the outer surface of hyperconductive cable cryogenic envelope.
Described hyperconductive cable electrical conductor coupling part is comprised of electrical conductor compensation flexible cord 19, transition copper metal termination 23, electrical conductor crimp type terminal 20.Electrical conductor compensation flexible cord 19 ends are placed in 23 outsides, end, transition copper metal termination, and electrical conductor crimp type terminal 20 is set in electrical conductor compensation flexible cord 19 outsides, end.
Described hyperconductive cable cryogenic envelope linkage section is comprised of male mouthful 5 of cryogenic envelope vacuum grafting, female mouthful 7 of cryogenic envelope vacuum grafting, adpting flange 4, the equal pressing plate 3 of electric field.Cryogenic envelope vacuum is pegged graft and by adpting flange 4 and cryogenic envelope vacuum, is pegged graft and linked together for female mouthful 7 for male mouthful 5, forms cryogenic envelope connector.Two equal pressing plate 3 spiral-locks of semicircular electric field are in adpting flange 4 outsides and be welded as integral body.Cryogenic envelope connector and the described equal pressing plate of electric field form cryogenic envelope linkage section jointly.
Described hyperconductive cable insulation system coupling part is comprised of high temperature superconducting cable multi-segment connection device inner semiconductor layer 16, high temperature superconducting cable multi-segment connection device insulating barrier 14, high temperature superconducting cable multi-segment connection device out semiconductor layer 15, stress control layer 23, high temperature superconducting cable multi-segment connection device metal screen layer 21, high temperature superconducting cable multi-segment connection device protective layer 17.High temperature superconducting cable multi-segment connection device inner semiconductor layer 16 is placed in innermost layer, is wrapped in the outer surface of cryogenic envelope linkage section.High temperature superconducting cable multi-segment connection device insulating barrier 14 is wrapped in high temperature superconducting cable multi-segment connection device inner semiconductor layer 16 outsides.Stress control layer 21 is wrapped or be sleeved on the skin of high temperature superconducting cable multi-segment connection device insulating barrier 14, and the axial location of stress control layer 23 is in high temperature superconducting cable multi-segment connection device insulating barrier 14 and high-temperature superconducting cable body insulating barrier 11 lap-joints.High temperature superconducting cable multi-segment connection device out semiconductor layer 15 is wrapped in high temperature superconducting cable multi-segment connection device insulating barrier 14 and stress control layer 23 outsides.High temperature superconducting cable multi-segment connection device metal screen layer 21 is wrapped in high temperature superconducting cable multi-segment connection device out semiconductor layer 13 outsides, and outermost layer is high temperature superconducting cable multi-segment connection device protective layer 17.
As shown in Figure 1, high temperature superconducting cable multi-segment connection device of the present invention comprises transition copper metal termination 18, electrical conductor compensation flexible cord 19, electrical conductor crimp type terminal 20, cryogenic envelope vacuum is pegged graft public mouthful 5, cryogenic envelope vacuum is pegged graft female mouthful 7, low temperature seal pad 8, adpting flange 4, the equal pressing plate 3 of electric field, high temperature superconducting cable multi-segment connection device inner semiconductor layer 16, high temperature superconducting cable multi-segment connection device insulating barrier 14, high temperature superconducting cable multi-segment connection device out semiconductor layer 15, stress control layer 23, high temperature superconducting cable multi-segment connection device metal screen layer 25, high temperature superconducting cable multi-segment connection device protective layer 17.
Two high-temperature superconductive cable electrical conductors 9 are placed in respectively in two cryogenic envelopes 1 in left and right, and two high-temperature superconductive cable electrical conductors 9 link together by transition copper metal termination 18, electrical conductor compensation flexible cord 19, electrical conductor crimp type terminal 20.
Low temperature seal pad 8 is sleeved on the termination of the public mouth 5 of cryogenic envelope vacuum grafting, cryogenic envelope vacuum is pegged graft and is plugged on for male mouthful 5 in the female mouth 7 of cryogenic envelope vacuum grafting, and cryogenic envelope vacuum is pegged graft and by adpting flange 4 and the female mouth 7 of cryogenic envelope vacuum grafting, linked together for male mouthful 5.Two equal pressing plate 3 spiral-locks of semicircular electric field are in adpting flange 4 outsides and be welded as integral body.Cryogenic envelope vacuum is pegged graft and is plugged on for male mouthful 5 in the female mouth 7 of cryogenic envelope vacuum grafting, and cryogenic envelope vacuum is pegged graft and by adpting flange 4 and the female mouth 7 of cryogenic envelope vacuum grafting, linked together for male mouthful 5, jointly forms cryogenic envelope connector.Cryogenic envelope connector and the described common formation cryogenic envelope of the equal pressing plate 3 of electric field linkage section.
High temperature superconducting cable multi-segment connection device inner semiconductor layer 16 is wrapped in the outer surface of cryogenic envelope linkage section.High temperature superconducting cable multi-segment connection device insulating barrier 14 is wrapped in high temperature superconducting cable multi-segment connection device inner semiconductor layer 16 outsides.Stress control layer 23 is wrapped or be sleeved on the outside of high temperature superconducting cable multi-segment connection device insulating barrier 14, and the axial location of stress control layer 23 is in high temperature superconducting cable multi-segment connection device insulating barrier 14 and high-temperature superconducting cable body insulating barrier 11 lap-joints.High temperature superconducting cable multi-segment connection device out semiconductor layer 15 is wrapped in high temperature superconducting cable multi-segment connection device insulating barrier 14 and stress control layer 23 outsides.High temperature superconducting cable multi-segment connection device metal screen layer 21 is wrapped in high temperature superconducting cable multi-segment connection device out semiconductor layer 21 outsides, and outermost layer is high temperature superconducting cable multi-segment connection device protective layer 17.
High-temperature superconducting cable body inner semiconductor layer 10 is wrapped in cryogenic envelope 1 outer surface.High-temperature superconducting cable body insulating barrier 11 is wrapped in high-temperature superconducting cable body inner semiconductor layer 10 outer surfaces.High-temperature superconducting cable body out semiconductor layer 13 is wrapped in high-temperature superconducting cable body insulating barrier 11 outsides.High-temperature superconducting cable body metal screen layer 25 is wrapped in high-temperature superconducting cable body out semiconductor layer 13 outsides.High-temperature superconducting cable body protective layer 12 is wrapped in high-temperature superconducting cable body metal screen layer 25 outsides.
High temperature superconducting cable multi-segment connection device inner semiconductor layer 16 is connected with high-temperature superconducting cable body inner semiconductor layer 10, high temperature superconducting cable multi-segment connection device insulating barrier 14 is connected with high-temperature superconducting cable body insulating barrier 11, high temperature superconducting cable multi-segment connection device out semiconductor layer 15 is connected with high-temperature superconducting cable body out semiconductor layer 13, high temperature superconducting cable multi-segment connection device metal screen layer 21 is connected with high-temperature superconducting cable body metal screen layer 25, high temperature superconducting cable multi-segment connection device protective layer 17 is connected with high-temperature superconducting cable body protective layer 12.
Before installation, high temperature superconducting cable multi-segment connection device inner semiconductor layer 16, high temperature superconducting cable multi-segment connection device insulating barrier 14, high temperature superconducting cable multi-segment connection device out semiconductor layer 15, high temperature superconducting cable multi-segment connection device protective layer 17 are sleeved on to hyperconductive cable termination.
During installation, first the electrical conductor in mobile hyperconductive cable, respectively two electrical conductor crimp type terminals 20 are sleeved on to 18 outsides, two transition copper metal terminations, then the two ends of electrical conductor compensation flexible cord 19 are placed in respectively to the end of two transition copper metal terminations 18, mobile electrical conductor crimp type terminal 20 is also sleeved on outside the end of electrical conductor compensation flexible cord 19, by crimping apparatus transition copper metal termination 18, electrical conductor compensation flexible cord 19 is crimped on together, two electrical conductors 9 are by electrical conductor crimp type terminal 20, electrical conductor compensation flexible cord 19 links together.Mobile electrical conductor, to home position, completes electrical conductor and connects again.
Secondly, low temperature seal pad 8 being sleeved on the public mouth of cryogenic envelope vacuum grafting 5 terminations, then cryogenic envelope vacuum is pegged graft and is plugged on for male mouthful 5 in the female mouth 7 of cryogenic envelope vacuum grafting and by adpting flange 4, both linked together.Two equal pressing plate 3 spiral-locks of semicircle electric field, outside adpting flange 4, and are welded as to integral body by two equal pressing plates 3 of semicircle electric field, form cryogenic envelope linkage section.
Finally, strip off hyperconductive cable main body protection layer 12, high-temperature superconducting cable body metal screen layer 25, high-temperature superconducting cable body out semiconductor layer 13, high-temperature superconducting cable body insulating barrier 11, high-temperature superconducting cable body inner semiconductor layer 10 successively.High temperature superconducting cable multi-segment connection device inner semiconductor layer 16 is moved to cryogenic envelope linkage section, and the two ends of cryogenic envelope linkage section and high-temperature superconducting cable body inner semiconductor layer 10 are overlapped, heating high temperature superconducting cable multi-segment connection device inner semiconductor layer 16 also makes high temperature superconducting cable multi-segment connection device inner semiconductor layer 16 shrink wrapped at cryogenic envelope linkage section outer surface.Again high temperature superconducting cable multi-segment connection device insulating barrier 14 is moved to cryogenic envelope linkage section, and the two ends of cryogenic envelope linkage section and high-temperature superconducting cable body insulating barrier 11 are overlapped, heating high temperature superconducting cable multi-segment connection device insulating barrier 14 also makes high temperature superconducting cable multi-segment connection device insulating barrier 14 shrink wrapped in the outside of high temperature superconducting cable multi-segment connection device inner semiconductor layer 16.Stress control layer 23 is wrapped or be sleeved on the skin of high temperature superconducting cable multi-segment connection device insulating barrier 14, and the axial location of stress control layer 23 is in high temperature superconducting cable multi-segment connection device insulating barrier 14 and high-temperature superconducting cable body insulating barrier 11 lap-joints.High temperature superconducting cable multi-segment connection device out semiconductor layer 15 is moved to cryogenic envelope linkage section and make the two ends of high temperature superconducting cable multi-segment connection device out semiconductor layer 15 and be sleeved on hyperconductive cable termination high-temperature superconducting cable body out semiconductor layer 13 overlap joints.High temperature superconducting cable multi-segment connection device metal screen layer 21 suit or the wrapped skins at high-temperature superconducting cable body out semiconductor layer 13, the two ends of high temperature superconducting cable multi-segment connection device metal screen layer 21 link together with high-temperature superconducting cable body metal screen layer 25 respectively.Again high temperature superconducting cable multi-segment connection device protective layer 17 is moved to cryogenic envelope linkage section, heat and make high temperature superconducting cable multi-segment connection device protective layer 17 shrink wrapped at cryogenic envelope linkage section outermost layer.
High temperature superconducting cable multi-segment connection device of the present invention can be used for solving the middle connectivity problem of long distance powedr transmission multistage hyperconductive cable, realizes the connection of high-temperature superconductive cable electrical conductor, cryogenic envelope connection and insulation system connectivity problem.If hyperconductive cable electrical conductor is whole design, the individual event that high temperature superconducting cable multi-segment connection device of the present invention also can be realized cryogenic envelope and insulation system is connected.
By this device, can respectively hyperconductive cable electrical conductor, cryogenic envelope and insulation system be connected to integral body, thereby realize, with high-temperature superconductive cable, carry out long distance powedr transmission.
Claims (7)
1. a high temperature superconducting cable multi-segment connection device, is characterized in that, described jockey comprises hyperconductive cable electrical conductor coupling part, hyperconductive cable cryogenic envelope linkage section and hyperconductive cable insulation system coupling part; Hyperconductive cable electrical conductor coupling part is placed in hyperconductive cable cryogenic envelope, and hyperconductive cable insulation system coupling part is positioned at the outer surface of hyperconductive cable cryogenic envelope;
Described hyperconductive cable electrical conductor coupling part compensates flexible cord (19), transition copper metal termination (18), electrical conductor crimp type terminal (20) by electrical conductor and forms; Electrical conductor compensation flexible cord (19) end is placed in outside, end, transition copper metal termination (18), and electrical conductor crimp type terminal (20) is set in the outside, end of electrical conductor compensation flexible cord;
Described hyperconductive cable cryogenic envelope linkage section is comprised of the grafting of cryogenic envelope vacuum male mouthful of (5), the grafting of cryogenic envelope vacuum female mouthful of (7), adpting flange (4), the equal pressing plate of electric field (3); Cryogenic envelope vacuum grafting male mouthful (5) links together by adpting flange (4) and cryogenic envelope vacuum grafting female mouthful (7), formation cryogenic envelope connector; Two equal pressing plates of semicircular electric field (3) spiral-lock is in adpting flange (4) outside and be welded as integral body; Cryogenic envelope connector and the described equal pressing plate of electric field form cryogenic envelope linkage section jointly;
Described hyperconductive cable insulation system coupling part is comprised of high temperature superconducting cable multi-segment connection device inner semiconductor layer (16), high temperature superconducting cable multi-segment connection device insulating barrier (14), high temperature superconducting cable multi-segment connection device out semiconductor layer (15), stress control layer (23), high temperature superconducting cable multi-segment connection device metal screen layer (21), high temperature superconducting cable multi-segment connection device protective layer (17); High temperature superconducting cable multi-segment connection device inner semiconductor layer (16) is placed in innermost layer, is wrapped in the outer surface of cryogenic envelope linkage section; High temperature superconducting cable multi-segment connection device insulating barrier (14) is wrapped in high temperature superconducting cable multi-segment connection device inner semiconductor layer (16) outside; Stress control layer (23) is wrapped or be sleeved on the skin of high temperature superconducting cable multi-segment connection device insulating barrier (14), and the axial location of stress control layer (23) is the lap-joint with high-temperature superconducting cable body insulating barrier (11) at high temperature superconducting cable multi-segment connection device insulating barrier (14); High temperature superconducting cable multi-segment connection device out semiconductor layer (15) is wrapped in high temperature superconducting cable multi-segment connection device insulating barrier (14) and stress control layer (23) outside; High temperature superconducting cable multi-segment connection device metal screen layer (21) is wrapped in high temperature superconducting cable multi-segment connection device out semiconductor layer (15) outside, and outermost layer is high temperature superconducting cable multi-segment connection device protective layer (17).
2. high temperature superconducting cable multi-segment connection device according to claim 1, it is characterized in that, when described jockey connects high-temperature superconductive cable, two high-temperature superconductive cable electrical conductors (9) are placed in respectively in two cryogenic envelopes in left and right (1), and two high-temperature superconductive cable electrical conductors (9) link together by transition copper metal termination (18), electrical conductor compensation flexible cord (19), electrical conductor crimp type terminal (20), on the termination of described cryogenic envelope vacuum grafting public mouthful (5), be set with low temperature seal pad (8), described cryogenic envelope vacuum grafting male mouthful (5) is plugged in the cryogenic envelope vacuum female mouth of grafting (7), described high temperature superconducting cable multi-segment connection device inner semiconductor layer (16) is connected with high-temperature superconducting cable body inner semiconductor layer (10), high temperature superconducting cable multi-segment connection device insulating barrier (14) is connected with high-temperature superconducting cable body insulating barrier (11), high temperature superconducting cable multi-segment connection device out semiconductor layer (15) is connected with high-temperature superconducting cable body out semiconductor layer (13), high temperature superconducting cable multi-segment connection device metal screen layer (21) is connected with high-temperature superconducting cable body metal screen layer (25), high temperature superconducting cable multi-segment connection device protective layer (17) is connected with high-temperature superconducting cable body protective layer (12).
3. high temperature superconducting cable multi-segment connection device according to claim 1 and 2, is characterized in that, described cryogenic envelope vacuum is pegged graft male mouthful (5) and cryogenic envelope vacuum is pegged graft, and female mouthful (7) are designed to vacuum interlayer.
4. high temperature superconducting cable multi-segment connection device according to claim 1 and 2, is characterized in that described high temperature superconducting cable multi-segment connection device inner semiconductor layer (16), high temperature superconducting cable multi-segment connection device insulating barrier (14), high temperature superconducting cable multi-segment connection device out semiconductor layer (15), high temperature superconducting cable multi-segment connection device protective layer (17) are thermal shrinkage type tubing.
5. high temperature superconducting cable multi-segment connection device according to claim 1, is characterized in that described electrical conductor compensation flexible cord is comprised of built in copper flexible cord together many establishments or strand, and the quantity of compensation flexible cord is adjusted according to hyperconductive cable ampacity size.
6. high temperature superconducting cable multi-segment connection device according to claim 1, is characterized in that wrapped or stress cone forms described stress control layer (23) by stress control belt, and stress control layer width is no more than 200mm.
7. high temperature superconducting cable multi-segment connection device according to claim 1, is characterized in that described high temperature superconducting cable multi-segment connection device metal screen layer (21) is comprised of metal copper mesh or metal copper strips.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210027910.XA CN102545134B (en) | 2012-02-08 | 2012-02-08 | High temperature superconducting cable multi-segment connection device |
| PCT/CN2012/074882 WO2013117058A1 (en) | 2012-02-08 | 2012-04-28 | High temperature super-conducting cable multi-segment connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210027910.XA CN102545134B (en) | 2012-02-08 | 2012-02-08 | High temperature superconducting cable multi-segment connection device |
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| CN102545134A CN102545134A (en) | 2012-07-04 |
| CN102545134B true CN102545134B (en) | 2014-04-02 |
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| CN201210027910.XA Expired - Fee Related CN102545134B (en) | 2012-02-08 | 2012-02-08 | High temperature superconducting cable multi-segment connection device |
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| CN112072340B (en) * | 2020-07-31 | 2022-08-30 | 深圳供电局有限公司 | Dewar structure connecting device, superconducting cable connecting system and assembling method thereof |
| CN112615323B (en) * | 2020-10-27 | 2022-07-12 | 深圳供电局有限公司 | Dewar expansion adjustable device for high-temperature superconducting cable line |
| CN114843028B (en) * | 2022-04-11 | 2023-07-07 | 深圳供电局有限公司 | Dewar shrinking device for superconducting cable |
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| CN1604417A (en) * | 2003-09-29 | 2005-04-06 | Lg电线有限公司 | Jointing structure and jointing method for superconducting cable |
| CN101546872A (en) * | 2008-03-26 | 2009-09-30 | 尼克桑斯公司 | Device for connecting two superconducting cables |
| CN101562283A (en) * | 2008-04-16 | 2009-10-21 | 尼克桑斯公司 | Arrangement for connecting two superconducting cables |
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| JPH11121059A (en) * | 1997-10-20 | 1999-04-30 | Fujikura Ltd | Intermediate connection portion for superconducting cable |
| JP2000090998A (en) * | 1998-09-11 | 2000-03-31 | Sumitomo Electric Ind Ltd | Superconducting cable joint |
| WO2003034447A1 (en) * | 2001-10-12 | 2003-04-24 | Southwire Company | Superconducting cable termination |
| JP2006221877A (en) * | 2005-02-08 | 2006-08-24 | Sumitomo Electric Ind Ltd | Intermediate connection structure of superconductive cable |
| CN100495844C (en) * | 2005-07-14 | 2009-06-03 | 中国科学院电工研究所 | High-temperature superconductive power cable terminal |
| CN101004959B (en) * | 2006-12-15 | 2010-12-15 | 电子科技大学 | Current limiting method for high temperature super conductive cable and its structure, application and connecting mode |
| JP4967750B2 (en) * | 2007-03-28 | 2012-07-04 | 住友電気工業株式会社 | Superconducting cable connection structure and superconducting cable connection method |
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- 2012-02-08 CN CN201210027910.XA patent/CN102545134B/en not_active Expired - Fee Related
- 2012-04-28 WO PCT/CN2012/074882 patent/WO2013117058A1/en active Application Filing
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| CN1604417A (en) * | 2003-09-29 | 2005-04-06 | Lg电线有限公司 | Jointing structure and jointing method for superconducting cable |
| CN101546872A (en) * | 2008-03-26 | 2009-09-30 | 尼克桑斯公司 | Device for connecting two superconducting cables |
| CN101562283A (en) * | 2008-04-16 | 2009-10-21 | 尼克桑斯公司 | Arrangement for connecting two superconducting cables |
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| EP3218964A4 (en) * | 2014-11-14 | 2018-08-15 | Novum Industria LLC | Field makeable cryostat/current connections for an hts tape power cable |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013117058A1 (en) | 2013-08-15 |
| CN102545134A (en) | 2012-07-04 |
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