CN107369518A - A kind of high-temperature superconductor winding for being segmented excitation - Google Patents
A kind of high-temperature superconductor winding for being segmented excitation Download PDFInfo
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- CN107369518A CN107369518A CN201710801068.3A CN201710801068A CN107369518A CN 107369518 A CN107369518 A CN 107369518A CN 201710801068 A CN201710801068 A CN 201710801068A CN 107369518 A CN107369518 A CN 107369518A
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- winding
- superconduction
- superconduction winding
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- 238000004804 winding Methods 0.000 title claims abstract description 183
- 239000002887 superconductor Substances 0.000 title claims abstract description 36
- 230000005284 excitation Effects 0.000 title claims abstract description 23
- 230000004323 axial length Effects 0.000 claims description 12
- 230000011218 segmentation Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000001771 impaired effect Effects 0.000 abstract description 6
- 230000001052 transient effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910021521 yttrium barium copper oxide Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/04—Cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/006—Supplying energising or de-energising current; Flux pumps
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The embodiment of the invention discloses a kind of high-temperature superconductor winding for being segmented excitation, single solenoidal superconduction winding is divided into three sections, wherein, End winding is different with the coil method of middle part winding, excitation is carried out by different field power supplies respectively to end and interlude winding, make full use of the current capacity of different sectional winds, so as to improve the economy of superconducting coil, it is different to solve the state conversion characteristic of current superconduction winding different type superconducting tape, local coil will be easy to impaired technical problem when there is overcurrent transient state.
Description
Technical field
The present invention relates to high-temperature superconductor winding field, more particularly to a kind of high-temperature superconductor winding for being segmented excitation.
Background technology
High temperature superconductor coil has more application in fields such as magnetic storage energy, high-intensity magnetic field generations.It is different from low-temperature superconducting coil,
The generally high-temperature superconductor band that uses of manufacture high temperature superconductor coil is the ceramic oxide of square-section, the type conductor exist compared with
For serious anisotropy, i.e., under identical in amplitude but different direction magnetic fields, high-temperature superconductor band is poor in current capacity
It is not larger.
For a high temperature superconductor coil, the Distribution of Magnetic Field at its each position at work is different, such as single solenoid coil
The axial field component of middle part is larger, and the radial field component of two ends is higher.Because high-temperature superconductor band is in magnetic
There is anisotropy in current capacity off field, cause the current capacity difference of high temperature superconductor coil diverse location conductor larger.
The current capacity rate of decay of the high-temperature superconductor band practical at present under vertical magnetic field is much larger than parallel magnetic field,
Therefore the conductor ampacity of the high temperature superconductor coil middle part of solenoid structure is much larger than end position conductor, and coil is whole
The current capacity of body is then limited to end position conductor, so as to make full use of the current capacity of middle part conductor, greatly
Reduce the economy of high temperature superconductor coil.
To solve the problems, such as that high-temperature superconductor band Ab comes, current method be propose it is a kind of using Bi systems with
The combination winding of Y based high-temperature superconductive strip coilings, the combination winding employ by different types of multiple Bi systems superconducting coil and
The structure that multiple Y systems superconducting coil composes in parallel, mainly solve the problems, such as that multiple parallel winding electric current distribution are uneven.But should
The structure that invention proposes is only applicable to parallel winding, and is flowed to realize, it is necessary to uses the superconducting tape of a variety of different sizes.No
The state conversion characteristic of same type superconducting tape is different, and local coil will be easy to impaired when there is overcurrent transient state.
The content of the invention
The embodiments of the invention provide a kind of high-temperature superconductor winding for being segmented excitation, solves current superconduction winding inhomogeneity
The state conversion characteristic of type superconducting tape is different, and local coil is asked impaired technology is easy to when there is overcurrent transient state
Topic.
The embodiments of the invention provide a kind of high-temperature superconductor winding for being segmented excitation, including：
Superconducting coil skeleton, the first superconduction winding, the second superconduction winding, the 3rd superconduction winding, the first field power supply and
Two field power supplies；
First superconduction winding is wound in the middle part of the superconducting coil skeleton；
Second superconduction winding and the 3rd superconduction winding are wound in the both ends of the superconducting coil skeleton respectively；
First superconduction winding is connected with first field power supply；
Second end of second superconduction winding is connected with the first end of the 3rd superconduction winding；
The first end of second superconduction winding is connected with the positive pole of second field power supply；
Second end of the 3rd superconduction winding is connected with the negative pole of second field power supply；
Wherein, first superconduction winding is made up of the superconducting coil coiling of Bi systems, second superconduction winding, the described 3rd
Superconduction winding is formed by the superconducting coil coiling of Y systems.
Preferably, the both ends of first superconduction winding are connected with current feed；
The positive pole of the current feed of first superconduction winding and the positive pole of the output end of first field power supply
Connection；
The negative pole of the current feed of first superconduction winding and the negative pole of the output end of first field power supply
Connection.
Preferably, the both ends of second superconduction winding are connected with the current feed；
The both ends of 3rd superconduction winding are connected with the current feed；
The negative pole of the current feed of second superconduction winding and the current feed of the 3rd superconduction winding
Positive pole connection；
The positive pole of the current feed of second superconduction winding and the positive pole of the output end of second field power supply
Connection；
The negative pole of the current feed of 3rd superconduction winding and the negative pole of the output end of second field power supply
Connection.
Preferably, at a distance of preset distance between first superconduction winding and second superconduction winding；
At a distance of the preset distance between first superconduction winding and the 3rd superconduction winding.
Preferably, the axial length of second superconduction winding is equal with the axial length of the 3rd superconduction winding；
The axial length of first superconduction winding is not less than the axial length of second superconduction winding.
Preferably, Bi systems superconducting coil is around the line solenoid coil structures being made as using Bi based high-temperature superconductive strip coilings
Or disk-type winding structure；
Preferably, Y systems superconducting coil is the line solenoid coil structures or cake formula using Y based high-temperature superconductive strip coilings
Loop construction.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The embodiments of the invention provide a kind of high-temperature superconductor winding for being segmented excitation, including：Superconducting coil skeleton, the first surpass
Lead winding, the second superconduction winding, the 3rd superconduction winding, the first field power supply and the second field power supply；First superconduction winding is wound
In the middle part of superconducting coil skeleton；Second superconduction winding and the 3rd superconduction winding are wound in the both ends of superconducting coil skeleton respectively；
First superconduction winding is connected with the first field power supply；Second end of the second superconduction winding connects with the first end of the 3rd superconduction winding
Connect；The first end of second superconduction winding is connected with the positive pole of the second field power supply；Encouraged with second at second end of the 3rd superconduction winding
The negative pole connection in magnetoelectricity source；Wherein, the first superconduction winding is made up of the superconducting coil coiling of Bi systems, and the second superconduction winding, three surpass
Winding is led to form by the superconducting coil coiling of Y systems.Single solenoidal superconduction winding is divided into three sections by the embodiment of the present invention, its
In, End winding is different with the coil method of middle part winding, and end and interlude winding are distinguished by different field power supplies
Excitation is carried out, makes full use of the current capacity of different sectional winds, so as to improve the economy of superconducting coil, is solved super at present
It is different to lead the state conversion characteristic of winding different type superconducting tape, local coil will be easy to when there is overcurrent transient state
Impaired technical problem.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation of high-temperature superconductor winding for being segmented excitation provided in an embodiment of the present invention；
Wherein, marked in figure as follows：
1. the superconduction of current feed 3. second of the superconduction winding of 2. first superconduction winding of superconducting coil skeleton 21. first around
The current feed 5. second of the superconduction winding of the 3rd superconduction winding 41. of current feed 4. the 3rd of 31. second superconduction windings of group
The bronze medal of output end 7. of the field power supply of 6. first field power supply of output end 61. first of the field power supply of field power supply 51. second
Lead
Embodiment
The embodiments of the invention provide a kind of high-temperature superconductor winding for being segmented excitation, solves current superconduction winding inhomogeneity
The state conversion characteristic of type superconducting tape is different, and local coil is asked impaired technology is easy to when there is overcurrent transient state
Topic.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 1, a kind of one embodiment of high-temperature superconductor winding for being segmented excitation provided in an embodiment of the present invention, bag
Include：
Superconducting coil skeleton 1, the first superconduction winding 2, the second superconduction winding 3, the 3rd superconduction winding 4, the first field power supply 6
With the second field power supply 5；
First superconduction winding 2 is wound in the middle part of superconducting coil skeleton 1；
Second superconduction winding 3 and the 3rd superconduction winding 4 are wound in the both ends of superconducting coil skeleton 1 respectively；
First superconduction winding 2 is connected with the first field power supply 6；
Second end of the second superconduction winding 3 is connected with the first end of the 3rd superconduction winding 4；
The first end of second superconduction winding 3 is connected with the positive pole of the second field power supply 5；
Second end of the 3rd superconduction winding 4 is connected with the negative pole of the second field power supply 5；
Wherein, the first superconduction winding 2 is made up of the superconducting coil coiling of Bi systems, the second superconduction winding 3, the 3rd superconduction winding 4
Formed by the superconducting coil coiling of Y systems.
In the present embodiment, superconducting coil skeleton 1 can use low temperature resistant metal or nonmetallic manufacture, typically adopt at present
Made of stainless steel or fiberglass.High-temperature superconductor band is successively wound on superconducting coil skeleton 1 according to certain angle.According to not
Same demand, superconducting coil skeleton 1 can be divided into three independent segmentations, respectively epimere, stage casing and hypomere, each segmentation difference
It is that the first superconduction winding 2, the second superconduction winding 3, the 3rd superconduction winding 4 are corresponding with three superconduction windings.
Further, the both ends of the first superconduction winding 2 are connected with current feed 21, the current feed of the first superconduction winding 2
21 positive pole is connected with the positive pole of the output end 61 of the first field power supply 6, the negative pole of the current feed 21 of the first superconduction winding 2 with
The negative pole connection of the output end 61 of first field power supply 6.
The both ends of second superconduction winding 3 are connected with current feed 31, and the both ends of the 3rd superconduction winding 4 are connected with current feed
41, the negative pole of the current feed 31 of the second superconduction winding 3 is connected with the positive pole of the current feed 41 of the 3rd superconduction winding 4, and second
The positive pole of the current feed 31 of superconduction winding 3 is connected with the positive pole of the output end 51 of the second field power supply 5, the 3rd superconduction winding 4
The negative pole of current feed 41 be connected with the negative pole of the output end 51 of the second field power supply 5.
In the present embodiment, current feed is connected by copper conductor 7 with the output end of field power supply, realizes winding and excitation
Electrical connection between power supply.
Further, between the first superconduction winding 2 and the second superconduction winding 3 at a distance of preset distance, the first superconduction winding 2 with
At a distance of preset distance between 3rd superconduction winding 4, in the preset distance space bar can be set to separate two adjacent windings.
Further, the axial length of the second superconduction winding 3 is equal with the axial length of the 3rd superconduction winding 4, the first surpasses
The axial length for leading winding 2 is not less than the axial length of the second superconduction winding 3.
First superconduction winding 2 is made up of the superconducting coil coiling of Bi systems, and the second superconduction winding 3, the 3rd superconduction winding 4 are by Y
It is that superconducting coil coiling is formed, Bi systems superconducting coil is around the line solenoid coil structures being made as using Bi based high-temperature superconductive strip coilings
Or disk-type winding structure, Y systems superconducting coil are the line solenoid coil structures or disk-type winding using Y based high-temperature superconductive strip coilings
Structure.
In this example, it is assumed that the total length of three superconduction windings vertically is L, then the second superconduction winding 3 length
LupWith the length L of the 3rd superconduction winding 4downIt is equal, and have Lup=LdownUsed in=0.1L~0.25L, specific size and winding
Superconductor, physical dimension, operation magnetic field intensity etc. are related, it is necessary to be determined according to specific emi analysis.The foundation of calculating
It is that the winding loading current to three segmentations, obtains the maximum number of ampere turns that can be respectively reached under different segmentation scales respectively, should
The numerical value that segmentation scales corresponding to maximum in the maximum number of ampere turns of group should be used preferentially when being and designing.
It is mainly that (Re represents rare earth element, such as gadolinium to Bi2223 and ReBCO to be available for wide variety of high-temperature superconductor band at present
Gd, yttrium Y etc.).Second superconduction winding 3 and the 3rd superconduction winding 4 are generally made using same size superconducting tape, and the second are surpassed
The design parameter for leading the superconduction winding 4 of winding 3 and the 3rd is consistent.
The above is the detailed description carried out to the structure and connected mode of a kind of high-temperature superconductor winding for being segmented excitation, for just
An application examples is exemplified below in understanding to carry out specifically a kind of high-temperature superconductor winding for being segmented excitation provided by the invention
It is bright：
The high-temperature superconductor band that second superconduction winding 3 and the 3rd superconduction winding 4 use can be ST-05-L type YBCO superconductive tapes
Material, critical current of the band in 77K certainly off field is 80A；The high-temperature superconductor band that first superconduction winding 2 uses can be HT-CA
Type Bi2223 superconducting tapes, critical current of the band in 77K certainly off field is 220A.Second superconduction winding 3 and the 3rd superconduction around
Group 4 is 48mm, and the first superconduction winding 2 is 360mm, and now the exciting watts of whole superconduction winding can reach maximum.
First field power supply 6 and the second field power supply 5 are SMS-300H type superconducting magnets, wherein it is first to work
The current value that field power supply 6 exports is 56A, and the current value of the second field power supply 5 output is 95A.
Single solenoidal superconduction winding is divided into three sections by the embodiment of the present invention, wherein, End winding and middle part winding
Coil method does not have to, and excitation is carried out respectively to end and interlude winding by different field power supplies, makes full use of different points
The current capacity of section winding, so as to improve the economy of superconducting coil, solves current superconduction winding different type superconducting tape
State conversion characteristic it is different, local coil will be easy to impaired technical problem when there is overcurrent transient state.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
- A kind of 1. high-temperature superconductor winding for being segmented excitation, it is characterised in that including：Superconducting coil skeleton, the first superconduction winding, Two superconduction windings, the 3rd superconduction winding, the first field power supply and the second field power supply；First superconduction winding is wound in the middle part of the superconducting coil skeleton；Second superconduction winding and the 3rd superconduction winding are wound in the both ends of the superconducting coil skeleton respectively；First superconduction winding is connected with first field power supply；Second end of second superconduction winding is connected with the first end of the 3rd superconduction winding；The first end of second superconduction winding is connected with the positive pole of second field power supply；Second end of the 3rd superconduction winding is connected with the negative pole of second field power supply；Wherein, first superconduction winding is made up of the superconducting coil coiling of Bi systems, second superconduction winding, the 3rd superconduction Winding is formed by the superconducting coil coiling of Y systems.
- 2. the high-temperature superconductor winding of segmentation excitation according to claim 1, it is characterised in that first superconduction winding Both ends are connected with current feed；The positive pole of the current feed of first superconduction winding is connected with the positive pole of the output end of first field power supply；The negative pole of the current feed of first superconduction winding is connected with the negative pole of the output end of first field power supply.
- 3. the high-temperature superconductor winding of segmentation excitation according to claim 2, it is characterised in that second superconduction winding Both ends are connected with the current feed；The both ends of 3rd superconduction winding are connected with the current feed；The negative pole of the current feed of second superconduction winding and the current feed of the 3rd superconduction winding are just Pole connects；The positive pole of the current feed of second superconduction winding is connected with the positive pole of the output end of second field power supply；The negative pole of the current feed of 3rd superconduction winding is connected with the negative pole of the output end of second field power supply.
- 4. it is according to claim 1 segmentation excitation high-temperature superconductor winding, it is characterised in that first superconduction winding with At a distance of preset distance between second superconduction winding；At a distance of the preset distance between first superconduction winding and the 3rd superconduction winding.
- 5. the high-temperature superconductor winding of segmentation excitation according to claim 1, it is characterised in that second superconduction winding Axial length is equal with the axial length of the 3rd superconduction winding；The axial length of first superconduction winding is not less than the axial length of second superconduction winding.
- 6. the high-temperature superconductor winding of the segmentation excitation according to claim 1 to 5 any one, it is characterised in that the Bi It is superconducting coil around the line solenoid coil structures or disk-type winding structure being made as using Bi based high-temperature superconductive strip coilings.
- 7. the high-temperature superconductor winding of segmentation excitation according to claim 6, it is characterised in that Y systems superconducting coil is Using the line solenoid coil structures or disk-type winding structure of Y based high-temperature superconductive strip coilings.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801068.3A CN107369518A (en) | 2017-09-07 | 2017-09-07 | A kind of high-temperature superconductor winding for being segmented excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801068.3A CN107369518A (en) | 2017-09-07 | 2017-09-07 | A kind of high-temperature superconductor winding for being segmented excitation |
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| Publication Number | Publication Date |
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| CN107369518A true CN107369518A (en) | 2017-11-21 |
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| CN201710801068.3A Pending CN107369518A (en) | 2017-09-07 | 2017-09-07 | A kind of high-temperature superconductor winding for being segmented excitation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257512A (en) * | 2021-07-12 | 2021-08-13 | 四川大学 | High-temperature superconducting segmented excitation system and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009009987A (en) * | 2007-06-26 | 2009-01-15 | Kobe Steel Ltd | Superconducting electromagnet and superconducting magnetic field producing device |
| CN103035353A (en) * | 2012-12-17 | 2013-04-10 | 中国科学院电工研究所 | Compound winding made of Bi-based and Y-based high-temperature superconducting tapes |
| CN207124094U (en) * | 2017-09-07 | 2018-03-20 | 广东电网有限责任公司电力科学研究院 | A kind of high-temperature superconductor winding for being segmented excitation |
-
2017
- 2017-09-07 CN CN201710801068.3A patent/CN107369518A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009009987A (en) * | 2007-06-26 | 2009-01-15 | Kobe Steel Ltd | Superconducting electromagnet and superconducting magnetic field producing device |
| CN103035353A (en) * | 2012-12-17 | 2013-04-10 | 中国科学院电工研究所 | Compound winding made of Bi-based and Y-based high-temperature superconducting tapes |
| CN207124094U (en) * | 2017-09-07 | 2018-03-20 | 广东电网有限责任公司电力科学研究院 | A kind of high-temperature superconductor winding for being segmented excitation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257512A (en) * | 2021-07-12 | 2021-08-13 | 四川大学 | High-temperature superconducting segmented excitation system and use method thereof |
| WO2023284655A1 (en) * | 2021-07-12 | 2023-01-19 | 四川大学 | High-temperature superconducting segmented excitation system and usage method thereof |
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Application publication date: 20171121 |