CN109245075A - A kind of high-temperature superconductor resistance-type current restrictor, skeleton and superconducting tape winding method - Google Patents
A kind of high-temperature superconductor resistance-type current restrictor, skeleton and superconducting tape winding method Download PDFInfo
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- CN109245075A CN109245075A CN201811197114.4A CN201811197114A CN109245075A CN 109245075 A CN109245075 A CN 109245075A CN 201811197114 A CN201811197114 A CN 201811197114A CN 109245075 A CN109245075 A CN 109245075A
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- superconducting tape
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- temperature superconductor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/023—Current limitation using superconducting elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
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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
Abstract
The invention discloses a kind of skeletons of high-temperature superconductor resistance-type current restrictor, it include: more supports insulative columns, it is arranged parallel and is equipped with interval, multiple band fixing pieces of identical quantity same intervals are distributed on every supports insulative column along its length, the distance between adjacent tapes fixing piece is longer than superconducting tape width on same root supports insulative column；Left chassis and right chassis, for fixing the both ends of the supports insulative column；The invention also discloses a kind of high-temperature superconductor resistance-type current restrictor superconducting tape winding method and high-temperature superconductor resistance-type current restrictors；The present invention on two chassis of skeleton by arranging that column realizes the coiling of band, superconducting tape is closely wound on skeleton, the blocking on chassis has been subtracted between every circle superconducting tape, superconducting tape multi-turn is wound on column skeleton and forms one, more spaces and path are provided to quench the bubble dissipation of generation, the problem of optimizing bubble residence also simplifies overall structure.
Description
Technical field
The present invention relates to resistance-type current restrictor technical field, in particular to a kind of high-temperature superconductor resistance-type current restrictor, skeleton
And superconducting tape winding method.
Background technique
The rapid development of China's economic society, the load and capacity of power grid are also constantly expanding therewith, once power grid generation is short
Road failure, huge short circuit current will result in serious power equipment damage.Therefore, for maintenance power grid Supply Security with can
By property, it is necessary to inhibit short circuit current, current limiter is introduced in power grid and is presently the most common and more effective measures.
Resistor-type high tc superconducting fault current limiter structural principle based on second-generation high-temperature superconductor is simple, super using high temperature
The resistance that quenches of conductor carries out current limliting, has great application value.The nuclear structure of this current limiter be hts band around
Make the coil formed.Winding method traditional at present is as illustrated in fig. 1 and 2 that single high-temperature superconductor band 01 is first being used for circle
Between under the support of trapezoidal skeleton 02 insulated, it is two-way and around forming single sandwich wound coil.Since trapezoidal skeleton 02 is easily-deformable and not
It supports that transverse direction is fixed, is singly easy to fall apart in the support lower coil of skeleton, therefore be both needed to install the large-scale fixation of hub wheel 03 additional in two sides, then
Again combine multiple sandwich wound coils in access power grid in series and parallel by flange.
Main problem existing for above-mentioned resistor-type high tc superconducting fault current limiter is: (1) high-temperature superconductor band quenches the big volume production of meeting
Heat, this will lead to liquid-nitrogen boiling and generates a large amount of bubbles, and there are the skeleton of turn-to-turn insulation is used between band and band due to it
Dentation trapezium structure can make a large amount of bubble residences for quenching generation close in the micropore to be formed in hts band and skeleton,
This can reduce the heat exchange area of superconducting tape surface and liquid nitrogen, increase heat exchanged thermoresistance, cause to quench rewarming time extension.And gas
The presence of bubble can reduce the electrical insulating property of system, endanger the safe and stable operation of system.(2) it is conventionally used to the insulation of insulating supporting
Skeleton is only capable of providing radial support for superconducting tape, and cross-brace is then needed by the large-scale hub wheel for being installed at superconducting tape two sides
It fixes, and large-scale hub wheel is due to its structure, can will be located at the superconducting tape " shutting " of the part between hub wheel, hts band
Closing the bubble in the micropore to be formed with skeleton, uniquely laterally evolution path is stopped by hub wheel, forms what bubble can not escape
" dead zone ".Extreme degradation superconducting tape quenches rewarming.(3) the trapezoidal insulation framework of tradition and the fixed form of band connect for face
Touching, nearly half strip surface product can not directly be contacted with liquid nitrogen.And there are no regularity, coilings to complete for the winding method of band
Afterwards, the left and right skeleton arrangement of the different parts of single strips may be different.It is likely to be 01 one side of superconducting tape and trapezoidal skeleton
02 contact, contacts with liquid nitrogen on one side, forms aperture dislocation arrangement, as shown in Figure 3.It is also possible to 01 liang of a certain position superconducting tape
Face is contacted with trapezoidal skeleton 02, and no liquid nitrogen directly contacts, and then two sides does not connect side superconducting tape 01 with trapezoidal skeleton 02
Touching, two sides are directly contacted with liquid nitrogen, form aperture face arrangement, as shown in Figure 4.Different arrangement modes make different parts
Band is different from liquid nitrogen contact area, and rewarming effect also can be different, inconsistent so as to cause quenching.
Increase the contact area of high-temperature superconductor band and liquid nitrogen as a result, and by high-temperature superconductor band and liquid nitrogen contact area
Unification is accelerated to quench the dissipation of a large amount of bubbles of generation because of superconducting tape, is to speed up current second-generation high-temperature superconductor line
Circle quenches rewarming time, improves the key point for quenching inconsistency.Secondly, traditional winding method generally requires multiple groups disk
The chunking that installs coil series connection access power grid, the welding sequence complexity between coil and coil is error-prone, and multiple groups coil combination structure
Cumbersome, occupied space is big, is wasted with material.
Summary of the invention
The present invention provides a kind of skeletons of high-temperature superconductor resistance-type current restrictor, and structure is simple, and superconducting tape is easy for installation,
The contact area that high-temperature superconductor band and liquid nitrogen can be increased, that accelerates band quenches rewarming process.
A kind of skeleton of high-temperature superconductor resistance-type current restrictor, comprising:
More supports insulative columns are arranged parallel and are equipped with interval, on every supports insulative column along its length
Multiple band fixing pieces of identical quantity same intervals are distributed with, on same root supports insulative column between adjacent tapes fixing piece
Distance it is longer than superconducting tape width；
Left chassis and right chassis, for fixing the both ends of the supports insulative column.
Above structure, which can be set, is arranged multiple rows of superconducting tape in the same high-temperature superconductor resistance-type current restrictor, and sets
There is supports insulative column to be separated all superconducting tapes, exports rapid cooling and bubble may be implemented.
Band fixing piece can be fixed on supports insulative leg surface, notch court using partition card slot, the partition card slot
To chassis.Separate card slot in barb-like, provides the fixed function of transverse direction and longitudinal direction for superconducting tape.
Left chassis and the setting of right chassis hollow out, increase bubble dissipation space.
Preferably, further include lead wire insulation column that both ends are fixed on the left chassis and right chassis.
In order to increase the contact area of superconducting tape and liquid nitrogen, it is preferred that the supports insulative column and band contact surface
For cambered surface.Supports insulative column serve support and fix when with superconducting tape is tangent contacts, increase superconducting tape significantly
With the contact area of liquid nitrogen.
For the ease of manufacturing and installing, it is preferred that the supports insulative column is circular abutment.
While in order to save space, effectively coiling is realized, it is preferred that supports insulative column spiral from inside to outside
Arrangement forms helical structure.Above structure can wind superconducting tape as much as possible.
It is connected to for the ease of adjacent band, it is preferred that it is vertical that the centre of the helical structure is equipped with first lead insulation
Column, the outermost of the helical structure are equipped with the second lead wire insulation column.
Insulation column (including supports insulative column and lead wire insulation column) is many with the fixed form on chassis, for the ease of
Dismounting, column both ends of insulating match buckle structure with left and right chassis card slot.
The present invention also provides a kind of superconducting tape winding methods of high-temperature superconductor resistance-type current restrictor, using above-mentioned height
The skeleton of temperature superconductive resistance-type current restrictor, comprising the following steps:
(1) supports insulative column one end is fixed on left chassis or right chassis, the connecting pin of self-supporting insulation column is arrived
More superconducting tapes are successively wound on the supports insulative column by free end, and every superconducting tape is solid by band fixing piece
It is fixed；
(2) end of adjacent superconducting tape is sequentially connected by lead；
(3) another piece of chassis is installed on supports insulative column, completes installation.
In order to provide a kind of compact-sized and function admirable high-temperature superconductor resistance-type current restrictor, it is preferred that step (1)
In, helical arrangement forms helical structure to the supports insulative column from inside to outside, and the centre of the helical structure is equipped with first
Lead wire insulation column, the outermost of the helical structure are equipped with the second lead wire insulation column, and specific installation steps are as follows:
1-1, the superconducting tape are equipped at least 2 and quantity is increased with 2 multiple, and the band of supports insulative column is fixed
The quantity of part and the quantity of superconducting tape are identical, the number of lead of lead wire insulation column also with the quantity phase of superconducting tape
Together；
1-2, superconducting tape one end is mounted on the lead terminal of first lead insulation column, first lead insulation column
Lead terminal, be connected with adjacent lead terminal interval since the outermost；
1-3, helical arrangement one enclose supports insulative column, and coiling superconducting tape is simultaneously fixed by band fixing piece；
1-4, increase spiral-distributed circle number and continue coiling until outermost；
1-5, the second lead wire insulation column is installed in outermost, the other end of superconducting tape is mounted on the second lead wire insulation
On the lead terminal of column, the lead terminal of the second lead wire insulation column, since second inside lead terminal of outermost
It is connected with adjacent lead terminal interval.
The present invention also provides a kind of high-temperature superconductor resistance-type current restrictors, comprising:
More supports insulative columns are arranged parallel and are equipped with interval, on every supports insulative column along its length
Multiple band fixing pieces of identical quantity same intervals are distributed with, on same root supports insulative column between adjacent tapes fixing piece
Distance it is longer than superconducting tape width；
Left chassis and right chassis, for fixing the both ends of the insulation column；
Multiple groups superconducting tape is wound on supports insulative column and installs to form multiple groups phase by corresponding band fixing piece
The end of adjacent superconducting tape, is sequentially connected by mutually parallel structure by lead.
In order to provide a kind of compact-sized and function admirable high-temperature superconductor resistance-type current restrictor, it is preferred that the support
Insulating, helical arrangement forms helical structure to column from inside to outside, and the superconducting tape is wound on the helical structure from inside to outside
On；
The centre of the helical structure is equipped with first lead insulation column, and the outermost of the helical structure is equipped with the
Two lead wire insulation columns；
The superconducting tape is equipped at least 2 and quantity is increased with 2 multiple, the number of lead of lead wire insulation column
It is identical as the quantity of superconducting tape；
Superconducting tape one end is mounted on the lead terminal of first lead insulation column, the lead of first lead insulation column
Terminal is connected with adjacent lead terminal interval first lead terminal inside since outermost；
The other end of superconducting tape is mounted on the lead terminal of the second lead wire insulation column, the second lead wire insulation column
Lead terminal, be connected with adjacent lead terminal interval second lead terminal inside since outermost.
Beneficial effects of the present invention:
For the present invention by arranging that column realizes the coiling of band on two chassis of skeleton, superconducting tape is closely wound on bone
On frame, coiling circle number and winding method can be customized freely according to demand, adapt to the superconducting tape of different length, can coiling one
Disk can also coiling polydisc, compare conventional coil, subtracted the blocking on chassis between every circle superconducting tape, by superconducting tape multi-turn around
System forms one on column skeleton, provides more spaces and path to quench the bubble dissipation of generation, optimizes bubble
The problem of delay, has separately subtracted disk and has installed coil Combination Welding process, simplified overall structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the resistor-type high tc superconducting fault current limiter of the prior art.
Fig. 2 is the structural schematic diagram that the resistor-type high tc superconducting fault current limiter of the prior art combines.
Fig. 3 is the structural schematic diagram of the resistor-type high tc superconducting fault current limiter inner aperture dislocation arrangement of the prior art.
Fig. 4 is the structural schematic diagram that the resistor-type high tc superconducting fault current limiter inner aperture face of the prior art is arranged.
Fig. 5 is the structural schematic diagram of supports insulative column of the invention.
Fig. 6 is the structural schematic diagram of lead wire insulation column of the invention.
Fig. 7 is the cooperation schematic diagram of supports insulative column and right chassis of the invention.
Fig. 8 is the cooperation schematic diagram of supports insulative column and left chassis of the invention.
Fig. 9 is the structural schematic diagram of resistor-type high tc superconducting fault current limiter of the invention.
Figure 10 is the structural schematic diagram of other two angle of resistor-type high tc superconducting fault current limiter of the invention.
Figure 11 is the schematic diagram in resistor-type high tc superconducting fault current limiter winding process of the invention.
Figure 12 is current flow diagram in superconducting tape of the invention.
Specific embodiment
It is described further with reference to the accompanying drawing.
As shown in Fig. 5~12, the high-temperature superconductor band model double-faced packaging YBCO superconducting tape of the present embodiment, band is wide
Degree is 12mm, thickness of strip 0.35mm.
The present embodiment includes the more supports insulative column bodies 1 and lead wire insulation column body that can be arranged according to coiling demand
1'.Supports insulative column body 1 is equipped with partition card slot 2 for fixing 11 position of superconducting tape, on lead wire insulation column body 1 '
Equipped with the lead terminal 2 ' being made of red copper connection sheet 5 and multiple groups bolt 6；For being connected and fixing the left bottoms for thoroughly doing away with edge column more
Disk 8 and right chassis 7；Left chassis 8 and 7 hole inner card cage structure 10 of right chassis and notch 9；Two kinds of insulation column both ends be equipped with
The buckle structure 4 and buckle structure 3 that the notch on left chassis 8 and right chassis 7 matches, are wound on superconducting tape on column
11；Electric current input end lead 12, connecting lead wire 14 between electricity outlet end lead 13 and disk.
Supports insulative column 1 needs to arrange more, and left and right ends are equipped with the buckle matched with left chassis 8 and right chassis 7
Structure 4 and buckle structure 3, centre are equipped with the partition card slot 2 for partition, and partition card slot 2 and supports insulative column 1 are integrated knots
Structure is in barb-like, is that superconducting tape 11 provides the fixed function of transverse direction and longitudinal direction.
Lead wire insulation column 1 ' needs to arrange two, and left and right ends are similarly equipped with and left chassis 8 and the matching of right chassis 7
The buckle structure 4 and buckle structure 3 of conjunction are different from supports insulative column 1, are equipped with drawing for wiring between lead wire insulation column 1 '
Line terminals 2 ', lead terminal 2 ' are made of copper sheet 5 and bolt 6, and crooked radian and the lead wire insulation column 1 ' of copper sheet 5 are mutually fitted
It answers, length is equal to the width of band, and connection and external circuits between the disk of superconductive tape may be implemented by lead terminal 2 '.
The self-locking fixation being fixed as without screw between two kinds of insulation columns and left and right chassis, process are as follows: left and right
Hole on chassis is equipped with the notch 10 and notch 9 matched with column both ends.Insulation column is fixed on the right side first
On chassis, by the hole location of column alignment notch that insulate, it is inserted laterally into groove position, then insulation column is revolved clockwise
Turn, so that being caught in the hole inner card cage on right chassis 7, the other end of column is then inserted into left chassis 8 again, that is, realizes insulation
Fixation of the column between disk.
The present embodiment arranges more eradication edge columns by taking superconducting tape is enclosed in coiling four as an example, between left chassis 8 and right chassis 7,
There are the more supports insulative columns 1 with partition card slot 2, two contain the lead wire insulation column 1 ' of 2 ' structure of lead terminal,
In an innermost circle for being arranged in single vortex filament beginning, for connecting between disk, another is arranged in the end of single vortex filament outmost turns, uses
Connection and disengaging lead between disk.Electric current input end lead 12 is drawn by first lead terminal of lead wire insulation column 1 ',
Electricity outlet end lead 13 is drawn by the 4th lead terminal of insulation column 1 ', the connection of lead 14 second and third lead
Terminal is flowed into from electric current input end lead 12, is flowed through for lead, overall current between the second circle and the disk of third circle superconducting tape
Lead 14 is flowed out from electricity outlet end lead 13.
Left chassis 8 and right chassis 7 use engraved structure, can increase bubble dissipation space, it can be seen that wherein this implementation
For supports insulative column in example along single vortex filament shape arrangement, the every circle superconducting tape wound up is in single vortex filament shape.
The winding process of the present embodiment is as follows:
The lead wire insulation column 1 ' with lead terminal 2 ' is fixed therein on a chassis by self-locking first, by four
Root superconducting tape is fastened on lead wire insulation column 1 ', and by first and second lead on lead wire insulation column 1 '
Terminal is connected, and third and fourth lead terminal is connected, and a circle supports insulative column 1 is then arranged again, by four groups of superconducting tapes
11 are closely wound on above simultaneously, it is ensured that superconducting tape card 11 is in the partition card slot 2 of corresponding position in winding process, coiling one
After circle, continuing arrangement the second circle supports insulative column 1, coiling second is enclosed in the same way, until around last lap, it is outermost
It encloses last eradication edge column and is arranged as the lead wire insulation column 1 ' with lead terminal 2 ', inlet and outlet lead is passed through into lead end
Son connects, and the connection between second and third disk is connected also by lead terminal, finally fixes left chassis.
In conclusion the present embodiment on two chassis of skeleton by arranging that column realizes the coiling of band, superconducting tape
Closely be wound on skeleton, column serve support and fix when with superconducting tape is tangent contacts, increase superconductive tape significantly
The contact area of material and liquid nitrogen, and conventional coil is compared, the blocking on chassis is subtracted between every circle superconducting tape, by superconducting tape
Multi-turn, which is wound on column skeleton, forms one, provides more spaces and path to quench the bubble dissipation of generation, optimizes
The problem of bubble residence, has separately subtracted disk and has installed coil Combination Welding process, simplified overall structure.
Claims (10)
1. a kind of skeleton of high-temperature superconductor resistance-type current restrictor characterized by comprising
More supports insulative columns are arranged parallel and are equipped with interval, are distributed along its length on every supports insulative column
Have multiple band fixing pieces of identical quantity same intervals, on same root supports insulative column between adjacent tapes fixing piece away from
It is longer from than superconducting tape width；
Left chassis and right chassis, for fixing the both ends of the supports insulative column.
2. the skeleton of high-temperature superconductor resistance-type current restrictor as described in claim 1, which is characterized in that further include that both ends are fixed on
Lead wire insulation column on the left chassis and right chassis.
3. the skeleton of high-temperature superconductor resistance-type current restrictor as described in claim 1, which is characterized in that the supports insulative column
It is cambered surface with band contact surface.
4. the skeleton of high-temperature superconductor resistance-type current restrictor as claimed in claim 3, which is characterized in that the supports insulative column
For circular abutment.
5. the skeleton of high-temperature superconductor resistance-type current restrictor as described in claim 1, which is characterized in that the supports insulative column
Helical arrangement forms helical structure from inside to outside.
6. the skeleton of high-temperature superconductor resistance-type current restrictor as claimed in claim 5, which is characterized in that in the helical structure
Between first lead insulation column is installed, the outermost of the helical structure is equipped with the second lead wire insulation column.
7. a kind of superconducting tape winding method of high-temperature superconductor resistance-type current restrictor, which is characterized in that use such as claim 1~
The skeleton of high-temperature superconductor resistance-type current restrictor described in 6 any claims, comprising the following steps:
(1) supports insulative column one end is fixed on left chassis or right chassis, the connecting pin of self-supporting insulation column is to freely
More superconducting tapes are successively wound on the supports insulative column, every superconducting tape is fixed by band fixing piece by end；
(2) end of adjacent superconducting tape is sequentially connected by lead；
(3) another piece of chassis is installed on supports insulative column, completes installation.
8. the superconducting tape winding method of high-temperature superconductor resistance-type current restrictor as claimed in claim 7, which is characterized in that step
(1) in, helical arrangement forms helical structure to the supports insulative column from inside to outside, and the centre of the helical structure is equipped with the
One lead wire insulation column, the outermost of the helical structure are equipped with the second lead wire insulation column, and specific installation steps are as follows:
1-1, the superconducting tape are equipped at least 2 and quantity is increased with 2 multiple, the band fixing piece of supports insulative column
Quantity is identical as the quantity of superconducting tape, and the number of lead of lead wire insulation column is also identical as the quantity of superconducting tape；
1-2, superconducting tape one end is mounted on the lead terminal of first lead insulation column, first lead insulation column draws
Line terminals are connected with adjacent lead terminal interval since the outermost；
1-3, helical arrangement one enclose supports insulative column, and coiling superconducting tape is simultaneously fixed by band fixing piece；
1-4, increase spiral-distributed circle number and continue coiling until outermost；
1-5, the second lead wire insulation column is installed in outermost, the other end of superconducting tape is mounted on the second lead wire insulation column
Lead terminal on, the lead terminal of the second lead wire insulation column, second lead terminal inside since outermost with phase
Adjacent lead terminal interval conducting.
9. a kind of high-temperature superconductor resistance-type current restrictor characterized by comprising
More supports insulative columns are arranged parallel and are equipped with interval, are distributed along its length on every supports insulative column
Have multiple band fixing pieces of identical quantity same intervals, on same root supports insulative column between adjacent tapes fixing piece away from
It is longer from than superconducting tape width；
Left chassis and right chassis, for fixing the both ends of the insulation column；
Multiple groups superconducting tape is wound on supports insulative column and installs that form multiple groups mutually flat by corresponding band fixing piece
The end of adjacent superconducting tape is sequentially connected by capable structure by lead.
10. high-temperature superconductor resistance-type current restrictor as claimed in claim 9, which is characterized in that the supports insulative column is in
Outside helical arrangement forms helical structure, and the superconducting tape is wound on from inside to outside on the helical structure；
The centre of the helical structure is equipped with first lead insulation column, and the outermost of the helical structure is equipped with second and draws
Line insulation column；
The superconducting tape is equipped at least 2 and quantity and is increased with 2 multiple, the number of lead of lead wire insulation column and super
The quantity of conduction band material is identical；
Superconducting tape one end is mounted on the lead terminal of first lead insulation column, the lead end of first lead insulation column
Son is connected with adjacent lead terminal interval first lead terminal inside since outermost；
The other end of superconducting tape is mounted on the lead terminal of the second lead wire insulation column, the second lead wire insulation column draws
Line terminals are connected with adjacent lead terminal interval second lead terminal inside since outermost.
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| CN111403104A (en) * | 2020-02-27 | 2020-07-10 | 北京交通大学 | Twisting adjustable high-heat-dissipation superconducting conductor support |
| CN111679164A (en) * | 2020-06-11 | 2020-09-18 | 浙江大学 | Multi-angle visible superconducting strip impact frame |
| CN113450995A (en) * | 2021-06-30 | 2021-09-28 | 中国科学院江西稀土研究院 | Liquid helium-free superconducting magnet framework, superconducting magnet and winding method |
| CN114221314A (en) * | 2021-12-14 | 2022-03-22 | 国网江苏省电力有限公司经济技术研究院 | Reinforced conductor and resistance-inductance type superconducting current limiter coil |
| CN115020061A (en) * | 2022-05-16 | 2022-09-06 | 上海交通大学 | Detachable superconducting coil structure with low joint resistance and winding method thereof |
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| CN114221314A (en) * | 2021-12-14 | 2022-03-22 | 国网江苏省电力有限公司经济技术研究院 | Reinforced conductor and resistance-inductance type superconducting current limiter coil |
| CN115020061A (en) * | 2022-05-16 | 2022-09-06 | 上海交通大学 | Detachable superconducting coil structure with low joint resistance and winding method thereof |
| CN115020061B (en) * | 2022-05-16 | 2023-03-31 | 上海交通大学 | Detachable superconducting coil structure with low joint resistance and winding method thereof |
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