CN2575820Y - Combined arc-extinguishing chamber for DC contactor - Google Patents
Combined arc-extinguishing chamber for DC contactor Download PDFInfo
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- CN2575820Y CN2575820Y CN 02257372 CN02257372U CN2575820Y CN 2575820 Y CN2575820 Y CN 2575820Y CN 02257372 CN02257372 CN 02257372 CN 02257372 U CN02257372 U CN 02257372U CN 2575820 Y CN2575820 Y CN 2575820Y
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Abstract
The utility model relates to a multiple-column multiple-phase combined transformer with low mutual interference, which belongs to electrical equipment; the utility model is mainly composed of a magnetic core of the transformer, a primary coil group, a secondary coil group, a current limiter, etc. The utility model is characterized in that the magnetic core of the transformer is composed of multiple-column magnetic cores with no less than four columns; the axle centers of magnetic columns are symmetrically distributed to the centers of the magnetic columns and the equivalent magnetic space between two of multiple-column magnetic cores is equally proportional; the multiple-column magnetic cores are made of one kind of materials or more than one kind of materials; the multiple-column magnetic cores are made into integration or a split type by at least one kind of magnetic materials; after the multiple-column magnetic cores are combined, a closed magnetic loop can be formed. Wrapping frames which are respectively wound with a primary coil and a secondary coil are respectively positioned on the corresponding different magnetic columns in sequence; the primary coil and the secondary coil which are wound on each of side columns are wound in the same direction and the corresponding primary coil and the secondary coil are wound on the same magnetic column; both end heads of the primary coil and both end heads of the secondary coil can be connected with the current limiter. The utility model has the characteristics of bigger transmission and transformation power, multiple-phase input and output and low interference between phases; the utility model can be made into a multipurpose transformer.
Description
Technical field
The utility model relates to the heterogeneous phase mutuallow interference combined transformer of a kind of multipurpose multicolumn, belongs to electric equipment.
Background technology
Face the opportunity that power transmission and distribution technology and its economic structure commanding elevation alternate, the development of power electronics communication technology, play the progress of waveguide technology, particularly generating, distribution transformation need be more and more higher to the transformer technology performance with the power electronics industry requirement, and existing transformer is difficult to finish heterogeneous input, the task of output, even the transformer that adopts three post magnetic cores to make, also because its structural reason, fault such as often occur opening circuit, in case wherein one mutually or a few phase primary and secondary break down and will have influence on the normal operation of all the other each phases, moreover, face the restriction of present magnetic material saturation magnetic induction and super high power power transmission and transformation and ultra-high frequency signal and become the requirement of sending.So high reliability, low disturb mutually, that multiduty combined transformer just becomes a reality further is essential.All the more so for superconducting transformer and chip integrated transformer.
Summary of the invention
The purpose of this utility model is the deficiency at above-mentioned technology, and provides a kind of rational in infrastructure, multipurpose, multicolumn, can heterogeneous input and output; And each low mutually combined transformer that disturbs, it also can effectively form the superconducting transformer unit with special-purpose circularly cooling machine combination.
Above-mentioned technical problem of the present utility model is partly realized by following technical scheme.Characteristic of transformer is that magnetic core of transformer is that the multicolumn magnetic core that magnetic post number is no less than the N+1 post and is no less than four posts is formed, and each magnetic post equivalent yoke distance of multicolumn magnetic core is an equal proportion, and each axis of a cylinder heart is equiblibrium mass distribution to the center; Many magnetic post magnetic core is made up of a kind of and more than one materials, but contains a kind of magnetic material at least; Primary and secondary coil end is connected to flow restricters such as air switch, fuse; Each primary coil group can go here and there and connect in proper order, and draws the lead end of corresponding each phase, and each secondary coil group will and connect situation corresponding to elementary string, and each secondary coil group is interconnected to form each phase exit.The multicolumn magnetic core is at input and output N phase time; There is the multicolumn magnetic core of newel to adopt big 1 pattern of N+, wherein big 1 newel sectional area is not less than (N-1) doubly (or N doubly) peripheral side column sectional area that primary and secondary coil respectively is housed, newel and certain side column be monolateral to be connected the sectional area that monolateral magnetic conductor sectional area that magnet sectional area or each adjacent side column connect all is not less than single side column, and the sectional area of each side column all equates.No newel N-1 reaches 2 * (N-1) phase tubuloses mutually or box-like multicolumn magnetic core adopts 2 * (N-1) patterns to determine the number of magnetic post, it is long-pending that the monolateral connection magnetic conductor of adjacent side column sectional area is not less than 1/2 times monolateral column section, and each monolateral column section is long-pending all to be equated, the multicolumn magnetic core can be an one, or split, can form after the multicolumn magnetic core of split merges and close and magnetic circuit, also can add pad form non-close with magnetic circuit or part open the air gap shimming form non-close fully with magnetic circuit to change the anti-saturation ability.There are newel or N-1 to reach 2 * (N-1) mutually mutually for multicolumn N and do not have mutually that newel is low mutually to disturb for the core transformers primary and secondary connection and I/O mode: or elementary corner connection input, secondary corner connection output; Or elementary corner connection is imported, secondary star connects output; Or elementary star connects input, secondary corner connection output; Or elementary star connects input, secondary corner connection output; And each primary and secondary winding is around to unanimity, and homophase primary and secondary winding technique is on the magnetic post.When this transformer normally moves, the primary voltage balance, each phase magnetic flux equates, and vector and be zero.For the transformer that is provided with flow restricter, when certain phase or wherein several mutually elementary or secondary breaking down, the flow restricter tripping, each phase coil magnetic flux that do not break down forms the loop by it in the magnetic post, and magnetic flux is constant, thereby makes its output voltage changes little, normal power supply.For the transformer of a plurality of single-phase outputs of the single-phase input of multicolumn, for elementary, the 1 coil tail end that is around in each post respectively links to each other with 2 coil head ends, and 2 coil tail ends link to each other with 3 coil head ends, successively circulation.。。N-2 coil tail end links to each other with N-1 coil head end, and draw input by 1 coil head end and N-1 coil tail end, when being when the newel magnetic core is arranged, (require the newel and the sectional area of the monolateral magnetic conductor of certain side column to be not less than this side column sectional area and newel sectional area and be not less than doubly (or N doubly) this side column sectional area of N-1) then N-1 coil tail end continues to link to each other with N coil head end, and draw input by 1 coil head end N coil tail end, can corner connection or star connects or export respectively that each is single-phase for secondary coil; For the transformer of a single-phase output of the how single-phase input of multicolumn, can corner connection or star connects or import respectively that each is single-phase for primary coil; For secondary: the 1 coil tail end that is around in each post respectively links to each other with 2 coil head ends, 2 coil tail ends link to each other with 3 coil head ends, circulation successively ... N-2 coil tail end links to each other with N-1 coil head end, and draw output by 1 coil head end and N-1 coil tail end, when being when the newel magnetic core is arranged, (require the newel and the sectional area of the monolateral magnetic conductor of certain side column to be not less than this side column sectional area and newel sectional area and be not less than doubly (or N doubly) this side column sectional area of N-1) then N-1 coil tail end continues to link to each other with N coil head end, and draws output by 1 coil head end N coil tail end.And each primary and secondary winding is around to unanimity, and each echoes primary coil mutually and secondary coil is enclosed within on the same magnetic post.Secondary coil one end can add with the corresponding chain flow restricter of elementary switch-dividing or add flow restricter separately.For the transformer that is provided with flow restricter, when certain during single-phase or wherein several single-phase elementary or secondary breaking down, the flow restricter tripping, each phase coil magnetic flux that do not break down forms the loop by it in the magnetic post, and magnetic flux is constant, thereby makes its output voltage changes little, normal power supply.Primary and secondary coil of the present utility model also can be around on the magnetic post of center as elementary coil on different magnetic posts, and a plurality of secondary coil constitutes the multichannel synchro-control transformer respectively on each limit magnetic post; Can make 2 * (N-1) input, output transformers mutually for the tubular type boxlike multicolumn transformer of no newel, adopt in addition no newel tubular type boxlike multicolumn transformer can make also to center poise, equal proportion structure that 2 * N-3 imports mutually, output transformer; For example: the input of three post three-phases, output transformer.As mentioned above: the transformer for superconducting transformer and semiconductor integrated circuit technique manufacturing also is fit to.
This transformer rational in infrastructure, volume is suitable, and the unit weight quantitative change send power big, and has heterogeneous input and output, alternate low characteristics of interference, in addition, or multipurpose transformer.Therefore using value high, vast market prospect arranged.
For structure of the present utility model, feature and function thereof are had further understanding, enumerate specific embodiment now, and be simply described as follows in conjunction with the accompanying drawings:
Description of drawings
Fig. 1 is the utility model 34 column jecket formula core transformers structural representations mutually.
Fig. 2 is the utility model 6 mutual low interference transformer structural representation of 7 posts mutually.
Fig. 3 is the utility model 3 mutual low interference transformer structural representation of 4 posts mutually.
Fig. 4 is the utility model 4 mutual low interference transformer of 6 posts boxlike magnetic core of transformer stereogram mutually
Embodiment
As shown in Figure 1, 2, 3, the heterogeneous phase mutuallow interference combined transformer of a kind of multicolumn provided by the utility model, it comprises that magnetic core of transformer 1 is located at the primary and secondary coil 2,3 in the transformer reel 4 and is arranged in the flow restricter 5 at coil two ends, wherein:
This magnetic core of transformer 1 is the multicolumn magnetic core that magnetic post number is no less than N+1, and wherein can have the magnetic post not to be wound with shown in the coil (as Fig. 1, Fig. 2, Fig. 3); The magnetic core of transformer provided by the utility model comprises the magnetic core (shown in Fig. 2 .3) with center magnetic post and cast that is not provided with center magnetic post or box type magnetic core (magnetic core as shown in Fig. 1,4), the difference of cast and box type magnetic core is: the cast two ends do not have end cap, and there is end cap at box type two ends.Definite formula of magnetic post number with the magnetic core of center magnetic post and the magnetic core that is not provided with center magnetic post is different, is detailed later.Respectively be arranged with drum stand 4 first, level coil 2,3 and be sheathed on the corresponding different magnetic post by phase sequence respectively, and each primary and secondary coil around to equal unanimity.This many magnetic post magnetic core is made up of a kind of and more than one materials, but contains a kind of magnetic material at least; Each phase primary coil joins end to end in regular turn, and draws leading-out terminal in link, and the end of the same name of each phase secondary coil joins and is star-like connection, and the other end is drawn leading-out terminal.
In specific embodiment shown in Figure 2, this transformer is 6 phase transformer, and magnetic core 1 is the magnetic core with center magnetic post: the total magnetic post number for the magnetic core with center magnetic post is N+1, and N is the number of phases, and therefore total magnetic post number of specific embodiment shown in Figure 2 is 7.Wherein each magnetic post 11-16 axle center is equiblibrium mass distribution to the center magnetic post 17 at center.The sectional area of center magnetic post 17 is not less than limit magnetic cylinder long-pending (N-1) doubly (or N doubly), and the sectional area of each limit magnetic post equates that the cross sectional shape of newel and side column is circular or square type or polygonal or regular curve or polygon.Be connected to the sectional area that monolateral magnetic conductor sectional area that the monolateral magnetic conductor sectional area of certain side column is connected with each adjacent edge intercolumniation all is not less than this side column by center magnetic post 17.
Transformer shown in Figure 1 is 3 phase transformer, and this magnetic core of transformer 1 is to be a tubulose (also can be box-like); The quantity of these a plurality of magnetic posts is 2 * (N-1), N is the number of phases: so its magnetic post number is 4, if (N is 6, then magnetic post number is 10), each magnetic post 11-14 sectional area equates, its cross sectional shape is regular curve or polygon or circle, and the monolateral magnetic conductor sectional area that each adjacent edge intercolumniation connects is not less than 1/2 times that single magnetic column section amasss.In specific embodiment shown in Figure 1, magnetic core of transformer is by magnetic post 11, magnetic post 12, and magnetic post 13, magnetic post 14 is formed.Coiling not on the magnetic post 14 wherein.A phase primary coil 21 is wound on the magnetic post 11, and the two ends of A phase primary coil 21 is connected with flow restricter 5 respectively, and an end of primary coil 22 and another termination of C phase primary coil 23 are connected mutually with B; B phase primary coil 22 is wound on the magnetic post 12, and the two ends of B phase primary coil 22 are connected with flow restricter 5 respectively and another termination of primary coil and a termination of C phase primary coil 23 are connected mutually with A.C phase primary coil 23 is wound on magnetic post 13; On, C phase primary coil 23 two ends are connected with flow restricter 5, and another termination of primary coil 22 and a termination of A phase primary coil 21 are connected mutually with B.Magnetic post 11, magnetic post 12 is wound with A phase secondary coil 31 respectively on the magnetic post 13, and B phase primary coil 32 and C be secondary coil 33 mutually.Each phase secondary coil tail end links to each other and draws output No, and above-mentioned coil all is on drum stand 4, is sleeved on the magnetic post by drum stand 4.Each coil direction that detours is on all four.Specific practice is: earlier drum stand 4 is sleeved on the magnetic post, and then on the drum stand 4 that is contained on the magnetic post around going into coil.
Above-mentioned transformer reel 4 is one to have the annular box 42 of central tube, and its outside is provided with cable hole, and annular box inner central tube is provided with the bobbin (not shown), and the end of this bobbin is combined with driven wheel 41.This transformer reel is the spool-type drum stand that two halves can fasten, also can be with adherent fixedly drum stand.
For 2 * (N-1) post N-1 single-phase output transformers then the connected mode of each mutually primary and secondary coil be: the primary coil that is around in each post respectively: coil 1 tail end links to each other with coil 2 head ends, coil 2 tail ends link to each other with coil 3 head ends, the coil N-2 tail end that circulates successively links to each other with coil N-1 head end, and draws input by coil 1 head end and coil N-1 tail end; Draw the No end for each tail end of the secondary coil that is around in each post is continuous, and draw output in each secondary coil head end.Around the primary and secondary coil winding-direction unanimity of each post, corresponding primary and secondary coil is on same magnetic post.
Above-mentioned magnetic core 1 can be an one, also can be (as shown in Figure 4) of split, and its joint is straight cut or interface, with ease of assembly.Each magnetic post equivalent yoke distance of this multicolumn magnetic core is an equal proportion, and each axis of a cylinder heart is equiblibrium mass distribution to the center.
This flow restricter 5 is to be connected to the primary coil two ends, also can be connected to the secondary coil two ends, or when being connected to the primary coil two ends, also is connected to and elementary corresponding chain flow restricter in secondary coil one end.When transformer normally moves, the primary voltage balance, each phase magnetic flux equates, its vector and be zero.For the transformer that is provided with flow restricter, when constituting wherein several mutually elementary or secondary breaking down, the flow restricter tripping, each the phase coil magnetic flux that does not break down forms the loop by it in the magnetic post, and magnetic flux is constant, thereby makes its output voltage changes little, can normal power supply.
Primary and secondary coil of the present utility model also can further be around on the different magnetic posts, be around on the magnetic post of center as elementary coil, and a plurality of secondary coil then constitutes the multichannel synchro-control transformer respectively on each limit magnetic post.
Claims (10)
1, the heterogeneous phase mutuallow interference combined transformer of a kind of multicolumn, it is mainly by magnetic core of transformer, the primary and secondary coil groups, transformer reel, air switch etc. are partly formed; It is characterized in that: magnetic core of transformer is the multicolumn magnetic core composition that is no less than the N+1 post and is no less than four posts, and each magnetic post equivalent yoke distance of multicolumn magnetic core is an equal proportion, and each axis of a cylinder heart is equiblibrium mass distribution to the center; Many magnetic post magnetic core is made up of a kind of and more than one materials, but contains a kind of magnetic material at least, and primary and secondary coil end is connected to flow restricter; Each primary coil group can go here and there and connect in proper order, and draws the lead end of corresponding each phase, and each secondary coil group will and connect situation corresponding to elementary string, and each secondary coil group is interconnected to form each phase exit.
2, the heterogeneous phase mutuallow interference combined transformer of a kind of according to claim 1 multicolumn is characterised in that: have the magnetic core of newel to adopt big 1 pattern of N+ in the multicolumn magnetic core, determine magnetic post number, wherein big 1 post is that single-column reaches the newel that is assembled by the multi beam single-column; Its sectional area is not less than periphery and the monolateral column section of primary and secondary coil long-pending (N-1) respectively is housed doubly, and the monolateral magnetic conductor sectional area that the monolateral magnetic conductor sectional area that is connected to certain side column by newel is connected with each adjacent edge intercolumniation all is not less than the sectional area of this side column, and the sectional area of each side column equates; The tubulose of no newel, box-like polygon post magnetic core adopt 2 * (N-1) patterns, determine magnetic post number, and each side column sectional area will equate, and the monolateral magnetic conductor sectional area of each adjacent edge intercolumniation connection is no less than 1/2 times of sectional area of single side column.
3, be characterised in that as the heterogeneous phase mutuallow interference combined transformer of a kind of multicolumn as described in the claim 1,2: the multicolumn magnetic core can be the one magnetic core, or has the split magnetic core of interface or straight cut, but can form closed magnetic circuit after merging;
4, be characterised in that as the heterogeneous phase mutuallow interference combined transformer of a kind of multicolumn as described in the claim 1,2: N is the number of phases or is the coil groups number.
5, the heterogeneous phase mutuallow interference combined transformer of a kind of according to claim 1 multicolumn is characterised in that: primary and secondary coil can adopt superconducting coil, also can adopt conventional coil, or one of them adopts superconducting coil.
6, the heterogeneous phase mutuallow interference combined transformer of a kind of according to claim 1 multicolumn is characterised in that: special transformer coil holder is the spool-type drum stand or the adherent fixedly coil holder that rotate around the magnetic post that can be divided into two that band edge cingulum groove can fasten.
7, as the heterogeneous phase mutuallow interference combined transformer of a kind of multicolumn as described in the claim 6, be characterised in that: special transformer coil holder can be the storage rack that band charges and discharge the sealing ring box of the leaded terminal of valve, also can be to have the ring-like multi-thread axle of connectivity slot axially to overlap to merge to be equipped with the leaded terminal of the top compound gland in the end and to charge and discharge the storage rack of valve, or polygonal, the ring-like storage rack of connectivity slot is arranged.
8, the heterogeneous phase mutuallow interference combined transformer of a kind of according to claim 1 multicolumn, be characterised in that: the primary coil two ends can add flow restricter, also can not add or selectively add flow restricter, secondary coil one end can add with elementary corresponding chain flow restricter or add flow restricter separately.
9, be characterised in that as the heterogeneous phase mutuallow interference combined transformer of a kind of multicolumn as described in the claim 1,2: have newel multicolumn transformer or N-1 to reach no newel tubular type, the boxlike multicolumn transformer of 2 * (N-1) phases mutually mutually for N, the primary and secondary coil that is around in each phase connects and I/O mode: or elementary corner connection input, secondary corner connection output; Or elementary corner connection is imported, secondary star connects output; Or elementary star connects input, secondary corner connection output; Or elementary star connects input, secondary corner connection output; And at the beginning of each, secondary winding is around to unanimity, homophase primary and secondary winding technique is on the magnetic post, for the transformer of a plurality of single-phase outputs of the single-phase input of multicolumn, for elementary, the 1 coil tail end that is around in each post respectively links to each other with 2 coil head ends, 2 coil tail ends link to each other with 3 coil head ends, circulation successively ... N-2 coil tail end links to each other with N-1 coil head end, and draw input by 1 coil head end and N-1 coil tail end, when being requires the sectional area of newel and the monolateral magnetic conductor of certain side column to be not less than this side column sectional area and newel sectional area to be not less than N-1 doubly or N times of this side column sectional area when the newel magnetic core is arranged, then N-1 coil tail end continues to link to each other with N coil head end, and draw input by 1 coil head end N coil tail end, can corner connection or star connects or export respectively that each is single-phase for secondary coil; For the transformer of a single-phase output of the how single-phase input of multicolumn, can corner connection or star connects or import respectively that each is single-phase for being around in each post primary coil respectively, each secondary coil: 1 coil tail end links to each other with 2 coil head ends, 2 coil tail ends link to each other with 3 coil head ends, circulation successively ... N-2 coil tail end links to each other with N-1 coil head end, and draw output by 1 coil head end and N-1 coil tail end, when being requires the sectional area of newel and the monolateral magnetic conductor of certain side column to be not less than this side column sectional area and newel sectional area to be not less than N-1 doubly or N times of this side column sectional area when the newel magnetic core is arranged, then N-1 coil tail end continues to link to each other with N coil head end, and draw output by 1 coil head end N coil tail end, and at the beginning of each, secondary winding is around to unanimity, and corresponding primary and secondary coil is around with on the magnetic post.
10, the heterogeneous phase mutuallow interference combined transformer of a kind of according to claim 1 multicolumn is characterised in that: also can be on different magnetic posts as the primary and secondary coil of general transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257372 CN2575820Y (en) | 2002-09-20 | 2002-09-20 | Combined arc-extinguishing chamber for DC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257372 CN2575820Y (en) | 2002-09-20 | 2002-09-20 | Combined arc-extinguishing chamber for DC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2575820Y true CN2575820Y (en) | 2003-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02257372 Expired - Fee Related CN2575820Y (en) | 2002-09-20 | 2002-09-20 | Combined arc-extinguishing chamber for DC contactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN2575820Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256266A (en) * | 2017-07-12 | 2019-01-22 | 发那科株式会社 | three-phase reactor |
| US11205958B2 (en) | 2019-09-18 | 2021-12-21 | Delta Electronics, Inc. | Power conversion system |
| US11205963B2 (en) | 2019-09-18 | 2021-12-21 | Delta Electronics, Inc. | Multiphase buck converter with extended duty cycle range using multiple bootstrap capacitors |
| US11309878B2 (en) | 2019-09-18 | 2022-04-19 | Delta Electronics, Inc. | Power conversion system |
| US11532428B2 (en) | 2019-09-18 | 2022-12-20 | Delta Electronics, Inc. | Power conversion system and magnetic component thereof |
-
2002
- 2002-09-20 CN CN 02257372 patent/CN2575820Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256266A (en) * | 2017-07-12 | 2019-01-22 | 发那科株式会社 | three-phase reactor |
| JP2019021673A (en) * | 2017-07-12 | 2019-02-07 | ファナック株式会社 | Three-phase reactor |
| US10741319B2 (en) | 2017-07-12 | 2020-08-11 | Fanuc Corporation | Three-phase reactor |
| CN109256266B (en) * | 2017-07-12 | 2023-12-01 | 发那科株式会社 | Three-phase reactor |
| US11205958B2 (en) | 2019-09-18 | 2021-12-21 | Delta Electronics, Inc. | Power conversion system |
| US11205963B2 (en) | 2019-09-18 | 2021-12-21 | Delta Electronics, Inc. | Multiphase buck converter with extended duty cycle range using multiple bootstrap capacitors |
| US11309878B2 (en) | 2019-09-18 | 2022-04-19 | Delta Electronics, Inc. | Power conversion system |
| US11532428B2 (en) | 2019-09-18 | 2022-12-20 | Delta Electronics, Inc. | Power conversion system and magnetic component thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |