CN106710849A - Tight-coupling superconducting current limiting reactor - Google Patents
Tight-coupling superconducting current limiting reactor Download PDFInfo
- Publication number
- CN106710849A CN106710849A CN201611019407.4A CN201611019407A CN106710849A CN 106710849 A CN106710849 A CN 106710849A CN 201611019407 A CN201611019407 A CN 201611019407A CN 106710849 A CN106710849 A CN 106710849A
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- China
- Prior art keywords
- pressing plate
- winding
- superconducting current
- limiting reactor
- yoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a tight-coupling superconducting current limiting reactor. The tight-coupling superconducting current limiting reactor comprises an iron core, working windings, control windings, a first pressing plate and a second pressing plate. The iron core comprises a frame and two core columns spaced from each other and arranged in the frame in parallel; the working windings are wound around the two core columns respectively; the control windings are located on the outer sides of the two core columns and wound around the peripheries of the working windings; the upper ends of the control windings are in contact with the first pressing plate, and the lower ends of the control windings are in contact with the second pressing plate; first cushion blocks are arranged between the first pressing plate and the iron core; second cushion blocks are arranged between the second pressing plate and the iron core. According to the tight-coupling superconducting current limiting reactor, it is guaranteed that the working windings and the control windings are firm and reliable in assembling and easy to install, and the problem that an existing tight-coupling superconducting current limiting reactor cannot well meet the requirements of assembling and limiting of the working windings and the control windings is solved.
Description
Technical field
The present invention relates to superconducting current-limiting reactor technical field, more particularly to a kind of close coupling superconducting current-limiting reactor.
Background technology
With developing rapidly for China's economy, many urban power consumption rise year by year, the electric load of urban central zone
Increase sharply, transmission ＆ distribution capacitance is significantly increased, reduce grid loss and also proposed therewith the problems such as improving operation of power networks stability.At present
Network system is lost very greatly in power transmission and distribution link, therefore the scheme of reduction grid loss, wherein superconductor are all being found by each state
It is one of the most important scheme for reducing grid loss, it is excellent that superconductor has low-loss, high efficiency, transmission current density high etc.
Point, the development for future electrical energy industry is significant.Simultaneously because net capacity is increased, load steeply rises, and makes electricity
Rated current and short circuit current in net are drastically increased, and grave danger is constituted to power grid operation.
Superconducting current-limiting reactor is used as a kind of effective short-circuit current limiting device, when failure is short-circuited, Neng Gouxun
Short circuit current is restricted to acceptable level by speed, so as to avoid big short circuit current in power network to power network and the peace of electrical equipment
Full stable operation constitutes significant damage, can greatly improve the stability of power network, improves the reliability and security of power supply.Simultaneously
Compared with conventional reactor, superconducting current-limiting reactor have the advantages that small volume, it is lightweight, pollution-free, without disaster hidden-trouble.
At present, the common loose coupling of domestic super conducting electric reactor and close coupling structure, the structure of close coupling superconducting current-limiting reactor
Mainly including iron core, controling winding, Working winding etc., wherein controling winding needs to be sleeved on two with diameter greater than Working winding
Individual Working winding outside, due to controling winding and Working winding decentraction, it requires that controling winding and Working winding positioning are accurate
Really, and the performance of superconducting current-limiting reactor and machine body structure have close relationship.Therefore in order to not influence close coupling superconduction to limit
The performance of reactor is flowed, the assembling of Working winding and controling winding and spacing requirement to close coupling superconducting current-limiting reactor are very
Height, however existing close coupling superconducting current-limiting reactor generally can not meet well Working winding and controling winding assembling and
Spacing requirement.
The content of the invention
It is an object of the invention to provide a kind of close coupling superconducting current-limiting reactor, existing close coupling superconducting current-limiting is solved
Reactor can not well meet assembling and the problem of spacing requirement of Working winding and controling winding.
A kind of embodiments in accordance with the present invention, there is provided close coupling superconducting current-limiting reactor, including：Iron core, Working winding,
Controling winding, the first pressing plate and the second pressing plate；
It is described unshakable in one's determination including framework and spaced and parallel two stems in the framework；
The Working winding is rotating around on described two stems；
The controling winding is located at the outside of described two stems, is around in the Working winding periphery；
The position of each stem of correspondence is equipped with circular hole, the diameter of the circular hole and the heart on second pressing plate
The diameter of post is identical；
The controling winding upper end is in contact with first pressing plate, and lower end is in contact with second pressing plate；
The first cushion block is provided between first pressing plate and the iron core；
The second cushion block is provided between second pressing plate and the iron core.
Preferably, second pressing plate is provided with the step cutting pattern on the inside of the framework, the step cutting pattern with it is described
Controling winding is coaxial；The controling winding is in contact with the step cutting pattern.
Preferably, second pressing plate is fixed with the iron core by pin.
Preferably, the framework include upper yoke and the upper yoke lower yoke be arrangeding in parallel, connect the upper yoke one end and
First return yoke of one end of the lower yoke, and connect the other end of the upper yoke and the other end of the lower yoke second by
Yoke.
Preferably, the width of the distance between the upper yoke and described lower yoke more than the controling winding.
Preferably, the diameter of the distance between first return yoke and described second return yoke more than the controling winding.
Preferably, it is provided with insulating end ring between the Working winding and second pressing plate.
From above technical scheme, the invention provides a kind of close coupling superconducting current-limiting reactor, including：Unshakable in one's determination, work
Make winding, controling winding, the first pressing plate and the second pressing plate；It is described it is unshakable in one's determination include framework with it is spaced and parallel located at the frame
Two internal stems；The Working winding is rotating around on described two stems；The controling winding is located at described two
The outside of stem, is around in the Working winding periphery；The position of each stem of correspondence is equipped with circle on second pressing plate
Hole, the diameter of the circular hole is identical with the diameter of the stem；The controling winding upper end is in contact with first pressing plate, under
End is in contact with second pressing plate；The first cushion block is provided between first pressing plate and the iron core；Second pressing plate with
The second cushion block is provided between the iron core.A kind of close coupling superconducting current-limiting reactor that the present invention is provided, its top utilizes first
Pressing plate and the first cushion block compress Working winding and controling winding；Its underpart is using the second pressing plate and the second cushion block to Working winding
It is fixed with controling winding spacing, it is ensured that Working winding and the fixed reliability of controling winding assembling and installation simply, are solved existing
Close coupling superconducting current-limiting reactor can not meet well Working winding and controling winding assembling and spacing requirement 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 institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation according to a kind of close coupling superconducting current-limiting reactor for implementing to exemplify；
Fig. 2 is Working winding and controling winding in a kind of close coupling superconducting current-limiting reactor for implementing to exemplify
Schematic diagram.
Illustrate：
Wherein, 1- is unshakable in one's determination, 11- frameworks, 12- stems, the pressing plates of 2- first, the cushion blocks of 3- first, 4- Working windings, 5- controls around
Group, the pressing plates of 6- second, 7- insulating end rings, the cushion blocks of 8- second, 9- pins.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, embodiments in accordance with the present invention, there is provided a kind of close coupling superconducting current-limiting reactor, wrap
Include：Unshakable in one's determination 1, Working winding 4, controling winding 5, the first pressing plate 2 and the second pressing plate 6；
Described unshakable in one's determination 1 includes framework 11 and spaced and parallel two stems 12 in the framework 11；
The Working winding 4 is rotating around on described two stems 12；
The controling winding 5 is located at the outside of described two stems 12, is around in the periphery of the Working winding 4；
The position of each stem 12 of correspondence is equipped with circular hole, the diameter of the circular hole and institute on second pressing plate 6
The diameter for stating stem 12 is identical；
The upper end of the controling winding 5 is in contact with first pressing plate 2, and lower end is in contact with second pressing plate 6；
The first cushion block 3 is provided between first pressing plate 2 and described unshakable in one's determination 1；
The second cushion block 8 is provided between second pressing plate 6 and described unshakable in one's determination 1.
Working winding 4 is set around iron core column 12, and Working winding 4 is fixed by the circular hole on the second pressing plate 6；
The top of controling winding 5 is compressed by the first pressing plate 2 with the first cushion block 3, and bottom passes through the second pressing plate 6 and the second cushion block 8
Controling winding 5 is fixed spacing, it is ensured that Working winding 4 and the fixed reliability of the assembling of controling winding 5 and installation simply, are solved
Existing close coupling superconducting current-limiting reactor can not well meet the assembling and spacing requirement of Working winding 4 and controling winding 5
Problem.
Preferably, the material of first pressing plate 2, first cushion block 3, second pressing plate 6 and second cushion block 8
Lamination wood is selected, lamination wood is the layer-stepping synthetic of veneer and adhesive, being laminated the wooden texture for obtaining each layer of wood chip is all in
Same direction, causing its surface to load when doing pressing plate or cushion block has some strength.Lamination wood can effectively prevent weight from overstocking institute
State close coupling superconducting current-limiting reactor top caused by deformation or destroy, it is ensured that close coupling superconducting current-limiting reactor it is complete
Property, while the position of controling winding 5 can preferably be limited, the position of controling winding 5 is fixed reliable.
Preferably, in the close coupling superconducting current-limiting reactor, second pressing plate 6 is provided with positioned at the inner side of the framework 11
Step cutting pattern, the step cutting pattern is coaxial with the controling winding 5；The controling winding 5 is in contact with the step cutting pattern.
Step cutting pattern is in contact by with controling winding 5, and coaxial with controling winding 5, can avoid controling winding 5 under external force
Cause dislocation, and have certain position-limiting action to controling winding 5.Ensure Working winding 4 and the assembling of controling winding 5 it is fixed reliable and
Install simple, solve close coupling superconducting current-limiting reactor Working winding 4 and the matching requirements of controling winding 5 problem high and spacing.
Preferably, in the close coupling superconducting current-limiting reactor, second pressing plate 6 is solid by pin 9 with described unshakable in one's determination 1
It is fixed.Second pressing plate 6 and unshakable in one's determination 1 is fixed by pin 9, can prevent controling winding 5 from being moved in framework unshakable in one's determination 11, while
Certain supporting role is played to the second pressing plate 6, preferably controling winding 5 is carried out it is spacing, so as to ensure that close coupling superconduction
The performance of current-limiting reactor is unaffected.
Preferably, the material selection lamination wood of pin 9, lamination wood is the layer-stepping synthetic of veneer and adhesive, layer
Pressed wood obtains each layer of texture of wood chip all in same direction, causes it to have some strength when doing pin, so as to strengthen press second
The supporting role of plate 6, so as to be preferably fixed to controling winding 5.
Preferably, in the close coupling superconducting current-limiting reactor, the framework 11 includes that upper yoke is parallel with the upper yoke and sets
First return yoke of one end of the lower yoke put, the one end for connecting the upper yoke and the lower yoke, and connect the another of the upper yoke
Second return yoke of the other end of end and the lower yoke.It is hollow that framework 11 unshakable in one's determination constitutes middle part by upper and lower yoke and two return yokes
Rectangular structure, controling winding 5 and Working winding 4 can be installed and fixed in framework central hollow section.Frame unshakable in one's determination
Body 11 had both provided the installation site of controling winding 5 and Working winding 4, and to the fixation of whole controling winding 5 and Working winding 4
System provides strong support and protection.
Preferably, in the close coupling superconducting current-limiting reactor, the distance between the upper yoke and described lower yoke are more than institute
State the width of controling winding 5.The distance between upper yoke and lower yoke can more preferably by controling winding 5 more than the width of controling winding 5
It is fixed in framework unshakable in one's determination 11, it is ensured that Working winding 4 and the assembling of controling winding 5 are fixed reliable and install simple, so as to solve
Close coupling superconducting current-limiting reactor Working winding 4 and the matching requirements of controling winding 5 problem high and spacing.
Preferably, in the close coupling superconducting current-limiting reactor, between first return yoke and second return yoke away from
From the diameter more than the controling winding 5.The distance between first return yoke and the second return yoke can be with more than the diameter of controling winding 5
More preferably controling winding 5 is fixed in framework unshakable in one's determination 11, it is ensured that it is suitable, fixed reliable that Working winding 4 and controling winding 5 are assembled
And install simple, it is high and spacing so as to solve close coupling superconducting current-limiting reactor Working winding 4 and the matching requirements of controling winding 5
Problem.
Preferably, in the close coupling superconducting current-limiting reactor, set between the Working winding 4 and second pressing plate 6
There is insulating end ring 7.Insulating end ring 7 can effectively prevent Working winding 4 and controling winding 5 from leaky operationally occurring, and protect
Card user safety and whole normal operation circuit.
Preferably, insulating end ring 7 material selection air insulation cardboard, air insulation cardboard have certain heat resistance, absolutely
Edge and durability, while there is tightness and dieletric strength higher.Both can effectively prevent leaky from occurring, while with
Its tightness higher and excellent durable heat resistance, so as to the use of close coupling superconducting current-limiting reactor will not be directly influenced
Life-span.
From above technical scheme, the invention provides a kind of close coupling superconducting current-limiting reactor, including：Unshakable in one's determination 1, work
Make winding 4, controling winding 5, the first pressing plate 2 and the second pressing plate 6；Described unshakable in one's determination 1 include framework 11 with it is spaced and parallel set
In two stems 12 in the framework；The Working winding 4 is rotating around on described two stems 12；The controling winding
5 outsides for being located at described two stems 12, are around in the periphery of the Working winding 4；The each heart of correspondence on second pressing plate 6
The position of post 12 is equipped with circular hole, and the diameter of the circular hole is identical with the diameter of the stem 12；The upper end of the controling winding 5 with
First pressing plate 2 is in contact, and lower end is in contact with second pressing plate 6；Set between first pressing plate 2 and described unshakable in one's determination 1
There is the first cushion block 3；The second cushion block 8 is provided between second pressing plate 6 and described unshakable in one's determination 1.A kind of close coupling that the present invention is provided
Superconducting current-limiting reactor, its top is compressed Working winding 4 and controling winding 5 with the first cushion block 3 using the first pressing plate 2；Under it
Portion is fixed spacing using the second pressing plate 6 and the second cushion block 8 to Working winding 4 and controling winding 5, it is ensured that the He of Working winding 4
The assembling of controling winding 5 is fixed reliable and installs simple, and solving existing close coupling superconducting current-limiting reactor can not meet well
The assembling of Working winding 4 and controling winding 5 and the problem of spacing requirement.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.The application is intended to any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture being described above and be shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim.
Claims (7)
1. a kind of close coupling superconducting current-limiting reactor, it is characterised in that including：(1) unshakable in one's determination, Working winding (4), controling winding
(5), the first pressing plate (2) and the second pressing plate (6)；
The iron core (1) includes framework (11) and spaced and parallel two stems (12) in the framework (11)；
The Working winding (4) is rotating around on described two stems (12)；
The controling winding (5) is around in the Working winding (4) periphery positioned at the outside of described two stems (12)；
The position of each stem (12) of correspondence is equipped with circular hole, the diameter of the circular hole and institute on second pressing plate (6)
The diameter for stating stem (12) is identical；
Controling winding (5) upper end is in contact with first pressing plate (2), and lower end is in contact with second pressing plate (6)；
The first cushion block (3) is provided between first pressing plate (2) and the iron core (1)；
The second cushion block (8) is provided between second pressing plate (6) and the iron core (1).
2. close coupling superconducting current-limiting reactor according to claim 1, it is characterised in that second pressing plate (6) is provided with
Step cutting pattern on the inside of the framework (11), the step cutting pattern is coaxial with the controling winding (5)；The controling winding
(5) it is in contact with the step cutting pattern.
3. close coupling superconducting current-limiting reactor according to claim 1, it is characterised in that second pressing plate (6) and institute
State (1) unshakable in one's determination fixed by pin (9).
4. close coupling superconducting current-limiting reactor according to claim 1, it is characterised in that the framework (11) is including upper
First return yoke of one end of lower yoke, one end of the connection upper yoke and the lower yoke that yoke and the upper yoke be arranged in parallel, and
Connect the second return yoke of the other end of the upper yoke and the other end of the lower yoke.
5. close coupling superconducting current-limiting reactor according to claim 4, it is characterised in that the upper yoke and the lower yoke it
Between distance more than the controling winding (5) width.
6. close coupling superconducting current-limiting reactor according to claim 4, it is characterised in that first return yoke and described
Diameter of the distance between two return yokes more than the controling winding (5).
7. close coupling superconducting current-limiting reactor according to claim 1, it is characterised in that the Working winding (4) and institute
State and be provided with insulating end ring (7) between the second pressing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019407.4A CN106710849A (en) | 2016-11-18 | 2016-11-18 | Tight-coupling superconducting current limiting reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019407.4A CN106710849A (en) | 2016-11-18 | 2016-11-18 | Tight-coupling superconducting current limiting reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106710849A true CN106710849A (en) | 2017-05-24 |
Family
ID=58940048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611019407.4A Pending CN106710849A (en) | 2016-11-18 | 2016-11-18 | Tight-coupling superconducting current limiting reactor |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120153927A1 (en) * | 2009-08-31 | 2012-06-21 | Bar Ilan Research & Development Company Ltd. | Fault current limiter with saturated core |
| CN102723704A (en) * | 2012-06-14 | 2012-10-10 | 武汉大学 | Magnetic switch type short-circuit current fault detection method and device for same |
| CN103647264A (en) * | 2013-12-19 | 2014-03-19 | 特变电工沈阳变压器集团有限公司 | Strong coupled type power failure current limiter |
| CN206163293U (en) * | 2016-11-18 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Close coupling superconducting current -limiting reactor |
-
2016
- 2016-11-18 CN CN201611019407.4A patent/CN106710849A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120153927A1 (en) * | 2009-08-31 | 2012-06-21 | Bar Ilan Research & Development Company Ltd. | Fault current limiter with saturated core |
| CN102723704A (en) * | 2012-06-14 | 2012-10-10 | 武汉大学 | Magnetic switch type short-circuit current fault detection method and device for same |
| CN103647264A (en) * | 2013-12-19 | 2014-03-19 | 特变电工沈阳变压器集团有限公司 | Strong coupled type power failure current limiter |
| CN206163293U (en) * | 2016-11-18 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Close coupling superconducting current -limiting reactor |
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Application publication date: 20170524 |