CN203631263U - Separated excitation three-phase magnetically controlled reactor with three iron core columns - Google Patents
Separated excitation three-phase magnetically controlled reactor with three iron core columns Download PDFInfo
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- CN203631263U CN203631263U CN201320856465.8U CN201320856465U CN203631263U CN 203631263 U CN203631263 U CN 203631263U CN 201320856465 U CN201320856465 U CN 201320856465U CN 203631263 U CN203631263 U CN 203631263U
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- yoke
- iron core
- lower yoke
- control winding
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Abstract
The utility model discloses a separated excitation three-phase magnetically controlled reactor with three iron core columns. The separated excitation three-phase magnetically controlled reactor comprises the three main iron core columns, an upper yoke, a lower yoke, three working windings, an upper yoke control winding, a lower yoke control winding and the like. The main iron core columns are formed by stacking silicon steel sheets, and the cross section of each main iron core column is in the shape that multi-level rectangles are connected in a circle. The two ends of each iron core sheet of the upper yoke and the two ends of each iron core sheet of the lower yoke are respectively bent into an obtuse angle, the two ends of each iron core sheet are connected with the corresponding main iron core columns in an inserted mode respectively, and a structure with the ends being straight lines and the middle being triangular is formed. The three main iron core columns are sleeved with the working windings, and the control windings are sleeved with the upper yoke and the lower yoke respectively. According to the separated excitation three-phase magnetically controlled reactor, the saturation degrees of the yokes are changed by controlling a direct current of the upper yoke control winding and a direct current of the lower yoke control winding, a reactance value is continuously adjustable, and therefore stepless adjustment of a working current of the separated excitation three-phase magnetically controlled reactor is achieved. The separated excitation three-phase magnetically controlled reactor is simple in structure and good in manufacturability, materials are saved, cost is lowered, and meanwhile the harmonic content of the working current can be decreased greatly.
Description
Technical field
The utility model relates to a kind of three core limb separate excitation three-phase magnetron reactors.
Background technology
Reactor is the idle conditioning equipment of extensive use in electric power system, and early stage reactor mostly is definite value reactor, and its reactance value is fixing or has level to regulate.Along with the progress of technology and the actual demand of electric power system, countries in the world have developed various controlled reactors in succession, and wherein can to control reactor be a class wherein to magnetic control, comprise exchanging controlling reactor, DC control reactor, magnetic valve type reactor etc.But just current, three-phase magnetron reactor is three-phase six rod structures, its complex structure, volume is large, material use is low, harmonic content is high in operating current, has limited the promotion and application of magnet controlled reactor.
Utility model content
The deficiency existing for solving prior art, the utility model discloses a kind of three core limb separate excitation three-phase magnetron reactors, adopts three main core posts, and Working winding is enclosed within on main core post, and three phase windings can be connected into Y shape or D shape; Control winding and be enclosed within on Double layer iron yoke, be connected into respectively open-delta, and join with DC power supply, by changing the size of direct current, change the degree of saturation of yoke portion iron core, thereby regulate the size of operating current.This reactor has simple in structure, and good manufacturability is saved material, reduces costs, and the advantage that operating current waveform is good, has broad application prospects.
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind of three core limb separate excitation three-phase magnetron reactors, comprise three main core posts, upper yoke, lower yoke, three Working windings, upper yoke control winding and lower yoke control winding, sheathed three Working windings on described three main core posts, upper yoke, lower yoke is sheathed upper yoke control winding and lower yoke control winding respectively, upper yoke, lower yoke is plugged on respectively on the two ends of three main core posts, the lamination two ends of upper yoke and lower yoke are converted into obtuse angle, forming an end is straight line, centre is leg-of-mutton structure, on controlling, the direct current of lower yoke control winding, in change, the degree of saturation of lower yoke, and then realize adjustable continuously to three-phase magnetron reactor reactance value.
Described three main core posts adopt silicon steel sheet to build up, and cross section is the multistage square-section of inscribed.
Described three main core posts and upper yoke, lower yoke piece become regular triangular prism shaped iron core, and three main core posts are equilateral triangle mode and place.
Described upper yoke control winding and lower yoke control winding be forward series connection successively, then reverse parallel connection, is connected into respectively open-delta, and joins with DC power supply, and making the first-harmonic electromotive force sum of three-phase is zero, and provides three times and the path of three multiple subharmonic current.
Described upper yoke, lower yoke shape of cross section can be rectangle, polygon, ellipse or circular.
Described three Working windings adopt Y to connect or D connects.
Described upper yoke, lower yoke are iron yoke.
When work, control the size of winding direct current by change, change the degree of saturation of iron yoke, and then change magnetic circuit reluctance, reach the object of controlling reactance value and capacity.The feature that controlled reactor of the present utility model is simple in structure except having, good manufacturability, saving material, cost are low, also have advantages of that in iron core, magnetic field harmonic content is low.
The beneficial effects of the utility model:
Control winding and be positioned on upper and lower iron yoke, the control winding of three-phase is forward series connection successively, and making the first-harmonic electromotive force sum of three-phase is zero, and provide three times and three multiple subharmonic current path, the harmonic content in main core post magnetic field is reduced greatly.
The utility model is controlled the size of winding direct current by change, change the degree of saturation of iron yoke, and then changes magnetic circuit reluctance, reaches the object of controlling reactance value and capacity.The feature that controlled reactor of the present utility model is simple in structure except having, good manufacturability, saving material, cost are low, also have advantages of that in iron core, magnetic field harmonic content is low.
Accompanying drawing explanation
Fig. 1 is core construction schematic diagram of the present utility model;
Fig. 2 is that control winding of the present utility model is laid schematic diagram;
Fig. 3 is that the K of Fig. 1 is to view;
Fig. 4 is that Working winding of the present utility model is laid schematic diagram;
Fig. 5 is the B-B view of Fig. 1;
Fig. 6 is the A-A view of Fig. 3;
In figure, 1, three main core post, 2, upper yoke, 3, lower yoke, 4, Working windings, 5, control winding.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is elaborated:
As Figure 1-5, a kind of three core limb separate excitation three-phase magnetron reactors, comprise three main core posts 1, upper yoke 2, lower yoke 3, three Working windings 4, upper yoke control winding 5 and lower yoke control winding 5, sheathed three Working windings 4 on described three main core posts 1, upper yoke 2, lower yoke 3 sheathed upper yoke control winding 5 and lower yoke control winding 5 respectively, upper yoke 2, lower yoke 3 is plugged on respectively on the two ends of three main core posts 1, the lamination two ends of upper yoke 2 and lower yoke 3 are converted into obtuse angle, forming an end is straight line, centre is leg-of-mutton structure, on controlling, the direct current of lower yoke control winding 5, in change, the degree of saturation of lower yoke, and then realize adjustable continuously to three-phase magnetron reactor reactance value.The utility model adopts three core limb structures, and three main core posts 1 are built up by silicon steel sheet, and its cross section is Step Circular, in delta arrangement such as space are; Three main core posts 1 form closed magnetic circuit by upper yoke 2, lower yoke 3, and upper yoke 2, lower yoke 3 lamination two ends are converted into obtuse angle, are plugged on three main core posts 1, and the cross section of iron yoke can be the shapes such as circle, ellipse, polygon; Sheathed Working winding on three main core posts 1, three Working windings 4 adopt Y to connect or D connects; On upper and lower iron yoke, sheathed control winding 5, is connected into respectively open-delta, and joins with DC power supply.
One of embodiment of three core limb separate excitation three-phase magnetron reactors described in the utility model: the Working winding of this magnet controlled reactor is set on main core post, three Working windings 4 adopt Y to connect; Control winding 5 and be set in upper and lower iron yoke, and upper and lower yoke control winding is respectively forward after series connection, then reverse parallel connection.When work, the electric current of controlling winding 5 by change changes the degree of saturation of iron yoke, and then changes magnetic circuit reluctance, reaches the object of controlling reactor reactance value and capacity.
Two of the embodiment of three core limb separate excitation three-phase magnetron reactors described in the utility model: the Working winding of this magnet controlled reactor is set on main core post, three Working windings 4 adopt Y to connect; Control 5 of windings and be set on upper yoke, control winding is received in DC control supply after forward connecting and being connected into open-delta again.When work, change the degree of saturation of iron yoke by changing the direct current of upper yoke control winding, and then change magnetic circuit reluctance, reach the object of controlling reactor reactance value and capacity.
Three of the embodiment of three core limb separate excitation three-phase magnetron reactors described in the utility model: the Working winding of this magnet controlled reactor is set on main core post, three Working windings 4 adopt Y to connect; Control 5 of windings and be set on lower yoke, control winding is received in DC control supply after forward connecting and being connected into open-delta again.When work, change degree of saturation unshakable in one's determination by the direct current that changes lower yoke control winding, and then change magnetic circuit reluctance, reach the object of controlling reactor reactance value and capacity.
Claims (4)
1. a core limb separate excitation three-phase magnetron reactor, it is characterized in that, comprise three main core posts, upper yoke, lower yoke, three Working windings, upper yoke control winding and lower yoke control windings, sheathed three Working windings on described three main core posts, upper yoke, lower yoke sheathed upper yoke control winding and lower yoke control winding respectively, upper yoke, lower yoke are plugged on respectively on the two ends of three main core posts, the lamination two ends of upper yoke and lower yoke are converted into obtuse angle, forming an end is straight line, and centre is leg-of-mutton structure;
Described upper yoke control winding and lower yoke control winding be forward series connection successively, reverse parallel connection again, be connected into respectively open-delta, and join with DC power supply, making the first-harmonic electromotive force sum of three-phase is zero, and provides three times and the path of three multiple subharmonic current, by controlling the direct current of upper and lower yoke control winding, change the degree of saturation of upper and lower iron yoke, and then realize adjustable continuously to three-phase magnetron reactor reactance value.
2. a kind of three core limb separate excitation three-phase magnetron reactors as claimed in claim 1, is characterized in that, described three main core posts adopt silicon steel sheet to build up, and cross section is the multistage square-section of inscribed.
3. a kind of three core limb separate excitation three-phase magnetron reactors as claimed in claim 1, is characterized in that, described three main core posts and upper yoke, lower yoke piece become regular triangular prism shaped iron core, and three main core posts are equilateral triangle mode and place.
4. a kind of three core limb separate excitation three-phase magnetron reactors as claimed in claim 1, is characterized in that, described upper yoke, lower yoke shape of cross section are rectangle, polygon, ellipse or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856465.8U CN203631263U (en) | 2013-12-23 | 2013-12-23 | Separated excitation three-phase magnetically controlled reactor with three iron core columns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856465.8U CN203631263U (en) | 2013-12-23 | 2013-12-23 | Separated excitation three-phase magnetically controlled reactor with three iron core columns |
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| Publication Number | Publication Date |
|---|---|
| CN203631263U true CN203631263U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320856465.8U Expired - Fee Related CN203631263U (en) | 2013-12-23 | 2013-12-23 | Separated excitation three-phase magnetically controlled reactor with three iron core columns |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680844A (en) * | 2013-12-23 | 2014-03-26 | 山东大学 | Three-core-limb separate-excitation three-phase magnetically-controlled reactor |
| CN112952854A (en) * | 2021-03-22 | 2021-06-11 | 赵忠臣 | Controllable series compensation device |
-
2013
- 2013-12-23 CN CN201320856465.8U patent/CN203631263U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680844A (en) * | 2013-12-23 | 2014-03-26 | 山东大学 | Three-core-limb separate-excitation three-phase magnetically-controlled reactor |
| CN103680844B (en) * | 2013-12-23 | 2016-08-17 | 山东大学 | A kind of three core limb separate excitation three-phase magnetron reactors |
| CN112952854A (en) * | 2021-03-22 | 2021-06-11 | 赵忠臣 | Controllable series compensation device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |