CN2645196Y - Iron core current-limiting reactor - Google Patents
Iron core current-limiting reactor Download PDFInfo
- Publication number
- CN2645196Y CN2645196Y CN 03253037 CN03253037U CN2645196Y CN 2645196 Y CN2645196 Y CN 2645196Y CN 03253037 CN03253037 CN 03253037 CN 03253037 U CN03253037 U CN 03253037U CN 2645196 Y CN2645196 Y CN 2645196Y
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- stem
- core
- limiting reactor
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- determination
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Abstract
The utility model relates to an iron-core current-limiting reactor, wherein the iron core mainly comprises two or three core posts, upper and lower iron yokes, wherein, windings are sleeved on the core posts, the upper and lower ends of each core post are respectively connected with the upper and lower iron yokes to form a magnetic passage, the core posts and the upper and lower iron yokes all are laminated by silicon steel sheets and then are clamped by the clamping parts; the winding of each core post comprises two inverse windings, two windings are connected in parallel or in series each other or alternately, the flux is mostly counteracted each other so as to obtain the required inductance, the reactor has simple structure, small volume, low cost, no electromagnetic pollution, low noise, low loss, good volt-ampere property and national standard compliance; the utility model can be made into dry type or oil immersed type, single phase or three phase, in particular to applicable for short-circuiting circuit limitation in 3kv-60kv electric power system, and can thoroughly replace the empty core current-limiting reactor of the prior electric power system.
Description
Technical field
The utility model relates to the current limiting reactor that uses in the AC electric power systems.
Background technology
The electric power system limiting short-circuit current generally all adopts dry type hollow current-limiting reactor at present, and this kind reactor volume is big, and surrounding environment is had powerful electromagnetic pollution, communication and computer system is disturbed greatly, and the building of steel construction is had very big influence.Because the extensive use of electronic computer and microcomputer in the electric power system, hollow current-limiting reactor can't satisfy the requirement of electric power system to electromagnetic pollution, presses for a kind of product that can substitute.
Summary of the invention
The purpose of this utility model is to address the above problem, and a kind of current limiting reactor unshakable in one's determination is provided, and it can be installed in any place owing to there is not electromagnetic pollution, and is noiseless to communication and computer system, is installed in indoor building structure to be had no effect.
The purpose of this utility model is achieved in that
A kind of current limiting reactor unshakable in one's determination, comprise iron core, winding, clamping part, iron core mainly is made up of two or three stems and upper and lower iron yoke, be with winding on the stem, the top and bottom of each stem are above respectively, lower yoke is connected to form magnetism guiding access, and stem and upper and lower iron yoke all are to be constituted and clamped by clamping part by the silicon steel sheet stack; It is characterized in that: the winding on each stem by two around forming to opposite coil, these two coils are coupled to each other.Described two coils can be parallel with one another.Described two coils can be connected mutually.The connecting mode of described two coils can be the series and parallel combination.On described each stem two can be inside and outside concentric type around the mounting structure to opposite coil, and one of them coil is enclosed within the outside of another coil.On described each stem two can be upper and lower concentric type around the mounting structure to opposite coil, and one of them coil is enclosed within the top of stem, and another coil is enclosed within the bottom of stem.
The utility model has following positive beneficial effect:
This current limiting reactor unshakable in one's determination is to be magnetic conductor with the silicon steel sheet, adopts two groups around to opposite coils from parallel connection of coils or series connection or string and combination, makes it the magnetic flux major part and cancels out each other, thereby obtain needed inductance value; Its voltage-current characteristic is good, can under specified reactance Rate times rated current reciprocal, voltage-current characteristic keep linear, can be used for limiting short-circuit current in any AC electric power systems, this reactor is simple in structure, volume is little, cost is low, no electromagnetic pollution, noise is little, loss is low, meet the GB10229 national standard.Can be made into dry type or oil immersed type, single-phase or three-phase is specially adapted to limiting short-circuit current in the 3kV-60kV electric power system.The widely used hollow current-limiting reactor of alternative present electric power system satisfies the requirement of electric power system to electromagnetic pollution fully.
Description of drawings
Fig. 1 is the structural representation of the current limiting reactor unshakable in one's determination of the utility model one example;
Fig. 2 is the structural representation of the current limiting reactor unshakable in one's determination of another example of the utility model.
Embodiment
Accompanying drawing number
1. casting die 2. upper clamping pieces 3. windings 4. lower clamping pieces
5. fill up pin 6. stems 7. lower yokes 8. upper yokes
9. ground strip 10. air gaps
Please refer to Fig. 1, current limiting reactor unshakable in one's determination of the present utility model, comprise iron core, winding, clamping part, iron core mainly is made up of two or three stems 6 and upper and lower iron yoke 8,7, be with winding 3 on the stem 6, the top and bottom of each stem 6 are above respectively, lower yoke 8,7 is connected to become an integral body, thereby form magnetism guiding access, and stem 6 and upper and lower iron yoke 8,7 all are to be constituted and clamped by upper clamping piece 2 and lower clamping piece 4 by the silicon steel sheet stack; Fixing with casting die 1 again, the winding 3 on each stem 6 by two around forming to opposite coil K1, K2, the parallel with one another or series connection or with string and combination connection mutually of these two coil K1, K2.Make it to satisfy the purpose of big electric current small inductor, in the present embodiment, stem 6 has air gap 10.The mounting means of two coil K1, K2 can be inside and outside concentric type, and as shown in Figure 1, coil K2 is enclosed within on the stem 6, and coil K1 is enclosed within the outside of coil K2.
The mounting means of two coil K1, K2 also can be upper and lower concentric type, i.e. top that is enclosed within stem 6 of two coil K1, K2, and another is enclosed within the bottom of stem 6.
Please refer to Fig. 2, the structure of present embodiment and reactor embodiment illustrated in fig. 1 is basic identical, and just stem 6 does not have air gap.
Iron core of electric reactor of the present utility model can also be single-phase two stem type structures except the structure of Fig. 1, three-phase three-core column type shown in Figure 2, is specially adapted to 3kV-60kV electric power system limiting short-circuit current.
Claims (6)
1. current limiting reactor unshakable in one's determination, comprise iron core, winding, clamping part, iron core mainly is made up of two or three stems and upper and lower iron yoke, be with winding on the stem, the top and bottom of each stem are above respectively, lower yoke is connected to form magnetism guiding access, and stem and upper and lower iron yoke all are to be constituted and clamped by clamping part by the silicon steel sheet stack; It is characterized in that: the winding on each stem by two around forming to opposite coil, these two coils are coupled to each other.
2. current limiting reactor unshakable in one's determination as claimed in claim 1 is characterized in that: described two coils are parallel with one another.
3. current limiting reactor unshakable in one's determination as claimed in claim 1 is characterized in that: described two coils are connected mutually.
4. current limiting reactor unshakable in one's determination as claimed in claim 1 is characterized in that: the connecting mode of described two coils is the series and parallel combination.
5. current limiting reactor unshakable in one's determination as claimed in claim 1 is characterized in that: two on described each stem is inside and outside concentric type around the mounting structure to opposite coil, and one of them coil is enclosed within the outside of another coil.
6. current limiting reactor unshakable in one's determination as claimed in claim 1 is characterized in that: two on described each stem is upper and lower concentric type around the mounting structure to opposite coil, and one of them coil is enclosed within the top of stem, and another coil is enclosed within the bottom of stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03253037 CN2645196Y (en) | 2003-09-28 | 2003-09-28 | Iron core current-limiting reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03253037 CN2645196Y (en) | 2003-09-28 | 2003-09-28 | Iron core current-limiting reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2645196Y true CN2645196Y (en) | 2004-09-29 |
Family
ID=34294307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03253037 Expired - Fee Related CN2645196Y (en) | 2003-09-28 | 2003-09-28 | Iron core current-limiting reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2645196Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017732B (en) * | 2006-12-29 | 2010-10-06 | 鞍山市飞龙伟业电抗器设备制造有限公司 | Matrix iron-core reactor plate-pulling straining structure |
| CN101882498A (en) * | 2010-06-29 | 2010-11-10 | 广州智光电气股份有限公司 | Reactor |
| CN102122562A (en) * | 2010-12-28 | 2011-07-13 | 锦州拓新电力电子有限公司 | Dry type iron core reactor capable of realizing parallel capacitor grouping |
| CN102403088A (en) * | 2011-11-16 | 2012-04-04 | 昆山市特种变压器制造有限公司 | Clamp-frame type CKSG small three-phase serial reactor |
| CN101814402B (en) * | 2009-10-29 | 2012-10-10 | 国网电力科学研究院 | Parallel type circuit breakers based on tightly coupled air reactor |
| CN103578719A (en) * | 2012-08-07 | 2014-02-12 | 成都达瑞斯科技有限公司 | Active-field all-magnetic shielding mouse cage-shaped iron core current limiting reactor |
| CN103632810A (en) * | 2012-08-28 | 2014-03-12 | 成都昊地科技有限责任公司 | Active field fully-magnetic shielding mouse-cage-shaped low-voltage series reactor |
| CN107633945A (en) * | 2016-07-19 | 2018-01-26 | 发那科株式会社 | Three-phase AC reactors and its manufacture method |
| CN111431153A (en) * | 2020-02-27 | 2020-07-17 | 浙江科技学院 | Economical bridge type fault current limiter |
-
2003
- 2003-09-28 CN CN 03253037 patent/CN2645196Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017732B (en) * | 2006-12-29 | 2010-10-06 | 鞍山市飞龙伟业电抗器设备制造有限公司 | Matrix iron-core reactor plate-pulling straining structure |
| CN101814402B (en) * | 2009-10-29 | 2012-10-10 | 国网电力科学研究院 | Parallel type circuit breakers based on tightly coupled air reactor |
| CN101882498A (en) * | 2010-06-29 | 2010-11-10 | 广州智光电气股份有限公司 | Reactor |
| CN101882498B (en) * | 2010-06-29 | 2012-11-28 | 广州智光电气股份有限公司 | Reactor |
| CN102122562A (en) * | 2010-12-28 | 2011-07-13 | 锦州拓新电力电子有限公司 | Dry type iron core reactor capable of realizing parallel capacitor grouping |
| CN102403088A (en) * | 2011-11-16 | 2012-04-04 | 昆山市特种变压器制造有限公司 | Clamp-frame type CKSG small three-phase serial reactor |
| CN103578719A (en) * | 2012-08-07 | 2014-02-12 | 成都达瑞斯科技有限公司 | Active-field all-magnetic shielding mouse cage-shaped iron core current limiting reactor |
| CN103632810A (en) * | 2012-08-28 | 2014-03-12 | 成都昊地科技有限责任公司 | Active field fully-magnetic shielding mouse-cage-shaped low-voltage series reactor |
| CN107633945A (en) * | 2016-07-19 | 2018-01-26 | 发那科株式会社 | Three-phase AC reactors and its manufacture method |
| US10490336B2 (en) | 2016-07-19 | 2019-11-26 | Fanuc Corporation | Three-phase AC reactor having external connection position change unit and manufacturing method thereof |
| CN107633945B (en) * | 2016-07-19 | 2020-04-03 | 发那科株式会社 | Three-phase AC reactor and method for manufacturing same |
| US10622137B2 (en) | 2016-07-19 | 2020-04-14 | Fanuc Corporation | Three-phase AC reactor having external connection position change unit and manufacturing method thereof |
| US11551854B2 (en) | 2016-07-19 | 2023-01-10 | Fanuc Corporation | Method for manufacturing a three-phase AC reactor having external connection position change unit |
| CN111431153A (en) * | 2020-02-27 | 2020-07-17 | 浙江科技学院 | Economical bridge type fault current limiter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |